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A near-infrared colour composite image of the protostellar outflow system HH288, also known as The Dragon Jet, made using the NIRCam instrument on NASA/ESA/CSA James Webb Space Telescope.
The composite comprises five individual mosaics made in the F150W, F200W, F356W, F444W, and F470N filters, spanning the wavelength range from 1.3 to 5 microns. Bluer colours are shorter wavelengths; redder are longer wavelengths. The image is rotated by approximately 50º clockwise from North up, East left, and covers 378 x 259 arcseconds.
HH288 lies in galactic plane in the constellation of Cassiopeia at a distance of roughly 2 kiloparsecs or 6500 light years from Earth.
The nickname comes from its hopefully-obvious resemblance to a Chinese dragon, or loong / 龍 / 龙 / 🐉. The main horizontal flow comprising "the dragon", with its head and flames to the left and tail to the right, spans roughly 3 parsecs or 9.8 light years.
The red, orange, and yellow emission is mostly due to emission lines of shock-heated molecular hydrogen, although there is some additional emission from carbon monoxide, and the more diffuse yellow-orange glow around the waist of "the dragon" is likely reflection nebulosity from the central protostars driving the main flow. The wider blue and green glow in the image is likely a mixture of reflection nebulosity and emission from polycyclic aromatic hydrocarbons associated with dust in the region.
The gas in the main flow is moving at speeds of 100-200 kilometres per second from its protostar, which is thought to be significantly more massive than the Sun, and likely less than a million years old.
However, there are at least two other outflows seen associated with "the dragon", one linear running from lower left to upper right, and another more chaotic from lower right to upper right. Close inspection shows perhaps another two or three newly discovered small flows as well.
Also obvious is the small cluster of young embedded stars towards the bottom edge of the image, which also appear to be ejecting jets of molecular hydrogen gas. For obvious reasons, I'm calling this "the dragon's egg"
For more information on our original discovery of HH288 and millimetre wavelength studies of it, see this 2001 paper:
scixplorer.org/abs/2001A%26A...375.1018G/abstract
The original data making up this image were taken by JWST between 26 and 30 January 2025 as part of the Guaranteed Time Observation programme 4548, PI Mark McCaughrean, JWST Interdisciplinary Scientist for star formation.
Image credit and copyright:
Mark McCaughrean (MPIA) / NASA, ESA, CSA / CC BY-SA 4.0
ESA's Kiruna station supports CryoSat, Integral, the Swarm trio and Sentinel 1A. It is located at Salmijärvi, 38 km east of Kiruna, in northern Sweden. Image credit: ESA - CC BY-SA 3.0 IGO
ESA revealed the first stunning images from its groundbreaking Biomass satellite mission – marking a major leap forward in our ability to understand how Earth’s forests are changing and exactly how they contribute to the global carbon cycle.
While Biomass’ longwave length P-band radar can penetrate through the forest canopy, this novel radar can also offer opportunities to explore other aspects of our planet. The long wavelength of P-band means that it can also penetrate deep into ice and so is less affected by melt and snowfall on the ice surface, which can skew measurements from space. Biomass is expected to measure glacier and ice-sheet velocities in regions where surface-ice conditions are too variable for shorter wavelength synthetic aperture radars to provide accurate information.
This image, which shows a portion of the vast Antarctic Transantarctic Mountains with the Nimrod Glacier flowing into Ross Ice Shelf, indicates that this could be a possibility.
The image spans approximately 140 km along the Biomass satellite's flight path (length) and 50 km across in width, with north oriented to the bottom.
Credits: ESA
ESA's technical heart, ESTEC, in Noordwijk, the Netherlands, opened its gates to visitors on 2 October 2016 for the annual Open Day.
Credit: ESA-SJM Photography
The ESA space pavilion at the 52nd international Paris Air and Space Show 2017, Le Bourget
Credit: ESA/D. Scuka
ESA's technical heart, ESTEC, in Noordwijk, the Netherlands, opened its gates to visitors on 2 October 2016 for the annual Open Day.
Credit: ESA-SJM Photography
@ESA/DLR/FUBerlin/AndreaLuck
On Mars surface we can see 2 craters inside Schiaparelli Crater: maps.planet.fu-berlin.de/#map=7/1022596.77/-172694.9
Download video by clicking here: www.flickr.com/video_download.gne?id=52555325709
Animation created using data processed from archives.esac.esa.int/psa
Real Total time: 27 seconds
Animation: 2.24 seconds
Mission: ESA Mars Express
Orbit 13412
Instrument: HRSC
Time: 2014-07-25
Product ID:
HD412_002_SR3 08:56:46
HD412_003_SR3 08:56:51
HD412_004_SR3 08:56:57
HD412_005_SR3 08:57:02
HD412_006_SR3 08:57:08
HD412_007_SR3 08:57:13
@ESA/DLR/FUBerlin/AndreaLuck
Feel free to share, giving the appropriate credit and providing a link to the original image or tweet creativecommons.org/licenses/by/3.0/
Esa (nom occità, en francès Èze) és un municipi francès, situat al departament dels Alps Marítims, entre Niça i Mònaco. El nucli antic d'Esa, que apareix esmentat amb aquest nom al segle XI, és un poble que es troba penjat dalt d'un turó des del que es domina el mar.
El nucli antic, de carrerons laberíntics, té nombroses botigues d'artesania, ja que el turisme és el principal recurs del municipi. Un castell en ruïnes ara és la seu d'un jardí exòtic amb una vista extraordinària i amb vistes a un cementiri on descansen algunes personalitats. També hi ha el que es coneix com el camí de Nietzsche, que des de la vora del mar s'enfila en un pendent empinat cap al poble penjat. Es diu que Nietzsche, que vivia al final de la seva vida a Niça, estava malalt, freqüentava aquest camí i s'hi inspirava per escriure la tercera part d'Així va parlar Zaratustra.
Aquesta foto ha jugat a Quel est ce lieu?.
This new NASA/ESA/CSA James Webb Space Telescope Picture of the Month presents HH 30 in unprecedented resolution. This target is an edge-on protoplanetary disc that is surrounded by jets and a disc wind, and is located in the dark cloud LDN 1551 in the Taurus Molecular Cloud.
Herbig-Haro objects are small nebulae found in star formation regions, marking the locations where gas outflowing from young stars is heated into luminescence by shockwaves. HH 30 is an example of where this outflowing gas takes the form of a narrow jet. The source star is located on one end of the jet, hidden behind an edge-on protoplanetary disc that the star is illuminating.
HH 30 is of particular interest to astronomers. In fact, the HH 30 disc is considered the prototype of an edge-on disc, thanks to its early discovery with the NASA/ESA Hubble Space Telescope. Discs seen from this view are a unique laboratory to study the settling and drift of dust grains.
An international team of astronomers have used Webb to investigate the target in unprecedented detail. By combining Webb’s observations with those from the Hubble Space Telescope and the Atacama Large Millimeter/submillimeter Array (ALMA), the team was able to study the multiwavelength disc appearance of the system and its dynamic structures.
These Webb observations were taken as part of the Webb GO programme #2562 (PI F. Ménard, K. Stapelfeldt), which aims to understand how dust evolves in edge-on discs like HH 30. Combined with the keen radio-wavelength eyes of ALMA, these observations show that large dust grains must migrate within the disc and settle in a thin layer. The creation of a narrow, dense layer of dust is an important stage in the process of planet formation. In this dense region, dust grains clump together to form pebbles and eventually planets themselves.
In addition to the behaviour of dust grains, the Webb, Hubble, and ALMA images reveal several distinct structures that are nested within one another. Emerging at a 90-degree angle from the narrow central disc is a high-velocity jet of gas. The Webb data showed that clumps of gas within the jet are moving at 121 kilometres per second. The narrow jet is surrounded by a wider, cone-shaped outflow. Enclosing the conical outflow is a broad nebula that reflects the light from the young star that is embedded within the disc. This structure shows a hint of a spiral, similar to what is seen in other young protoplanetary discs, as well as a ‘tail’-like feature that extends to one side. While the origins of these features have yet to be determined, together they reveal HH 30 to be a dynamic site of planet formation.
[Image Description: A close-in image of protoplanetary disc HH 30. Parts of the image are labelled “Jet” (above and below the disc), “Conical Outflow”, “Possible Spiral”, “Dark Lane”, “Disk”, and “Tail”. A scale marker in the bottom-left is labelled “300 au”; this is a little wider than the disc itself, but less wide than the conical outflows above and below the disc.]
Credits: ESA/Webb, NASA & CSA, Tazaki et al.; CC BY 4.0
Un fin de semana en una casita en el río...Donde no había nada más para fotografiar que justamente el río, árboles y niños, que ya me miraban con cara de pocos amigos...
Aún no llegó la primavera a Argentina, por lo tanto, no había más flores que este pequeño ramito al lado de un árbol y otra flor que encontré abandonada por ahí, en una mini selva...
Soy horrible fotografiando paisajes, de todas maneras, saqué muchas fotos intentando practicar un poco y conocer un poquito más mi cámara ( si me animo subo alguna).
Quería incluir un poco de color a las fotos y todo lo que encontré para ello, fue una manzana que rescaté de las "garras" de los niños que arrasaban con todo.
Me aferré a ella como la [ ARDILLA DE LA ERA DEL HIELO A SU BELLOTA ] y la usé para hacer esta serie de fotos, que intentan ser algo así como una historieta, donde la protagonista es la esa maldita manzana y la actríz secundaria es una pequeña linternita que uso como lúz de lectura
Locuras mías de un fin de semana "campestre", intentando sobrevivir sin mi notebook :P
CONTINUARÁ...
On 5 December 2024, the mobile building surrounding the Vega-C rocket with Earth-observer Sentinel-1C was rolled back at Europe's Spaceport in French Guiana, setting the rocket up for launch to a sun-synchronous orbit.
Earth-observer Sentinel-1C is flying on Vega-C rocket flight VV25. At 35 m tall, Vega-C weighs 210 tonnes on the launch pad and reaches orbit with three solid-propellant-powered stages before the fourth liquid-propellant stage takes over for precise placement of Sentinel-1C into its orbit.
Carrying advanced radar technology to provide an all-weather, day-and-night supply of imagery of Earth’s surface, the ambitious Copernicus Sentinel-1 mission has raised the bar for spaceborne radar.
The mission benefits numerous Copernicus services and applications such as those that relate to Arctic sea-ice monitoring, iceberg tracking, routine sea-ice mapping, glacier-velocity monitoring, surveillance of the marine environment including oil-spill monitoring and ship detection for maritime security as well as illegal fisheries monitoring.
Europe’s Vega-C rocket can launch 2300 kg into space, such as small scientific and Earth observation spacecraft. Vega-C is the evolution of the Vega family of rockets and delivers increased performance, greater payload volume and improved competitiveness.
Credits: ESA–S. Corvaja
The European Space Agency will soon be releasing a new, cost efficient way of keeping a low-orbit manned presence in space. The whole unit is carried to orbit by an ESA rocket. A nuclear missile is housed in the rear, and the solar panel and engine/comm array detach from the habitation vessel. They re-attach to form a satellite that is left in orbit, while the pilot returns to earth!
As of 1 March 2021, ESA has a new Director General: Dr Josef Aschbacher, who has taken up duty at ESA Headquarters in Paris, France.
The ESA Council appointed Dr Aschbacher in December 2020 as the next Director General of ESA, for a period of four years. He succeeds Prof. Jan Wörner, whose term of office ended in February 2021.
Dr Aschbacher was previously ESA Director of Earth Observation Programmes and Head of ESRIN, ESA’s centre for Earth Observation near Rome.
Credits: ESA - S. Corvaja
On 7 October 2018 we opened the doors of ESTEC, our technical heart in the Netherlands, and welcomed more than 7600 people on a day full of activities including meet-and-greet with astronauts, tours around our test rooms, learning about the science in science fiction, and about the activities ESA does in all its establishments around Europe and beyond.
Credits: ESA–G. Porter
ESA's newly selected astronaut candidates of the class of 2022 arrived at the European Astronaut Centre in Cologne, Germany, on 3 April 2023 to begin their 12-month basic training.
The group of five candidates, Sophie Adenot, Pablo Álvarez Fernández, Rosemary Coogan, Raphaël Liégeois, and Marco Sieber, are part of the 17-member astronaut class of 2022, selected from 22 500 applicants from across ESA Member States in November 2022.
The astronaut candidates will be trained to the highest level of standards in preparation for future space missions. During basic training, this includes learning all about space exploration, technical and scientific disciplines, space systems and operations, as well as spacewalk and survival training.
This image shows the candidates an Australian astronaut candidate Katherine Bennell-Pegg, joining the group under agreement with Australian Space Agency, on their first day at the European Astronaut Centre, ready to embark on their journey to become certified ESA astronauts.
Credits: ESA-S. Corvaja
Mosaic art installed at ESA’s technical centre, ESTEC, in Noordwijk, the Netherlands. French artist Invader is installing his iconic art at ESA establishments all over Europe and even on the International Space Station.
After ESA astronaut Samantha Cristoforetti found a space invader called ‘Space2’ in the Columbus space laboratory, the space-themed art has started to appear at ESA establishments.
Credit: ESA
#spaceinvader #space2iss
The Art and Science Exhibition Part III consists of a scientific educational part showing some of the most beautiful satellite images of the Earth, curated by ESA, along with some interactive terminals providing the scientific background information. Several examples of artistic works with satellite imaging and historical references to the field comprise the second part of this exhibition.
This satellite image is also part of the Spaceship Earth Exhibition (2015) at Ars Electronica Center, Linz.
credit: Namib / Satellite: Kompsat-2, KARI/ESA
Desde aquí quiero dar ánimos y ofrecer ayuda en la medida de mis posibilidades, a todas las personas que decidan dar ese paso. Para mí fué la decisión más importante que tomé en la vida y gracias a ella, mi forma de ser y de vivir ha experimentado un rotundo cambio.
Gracias a todas esa gente que siempre ah estado y esta ahi conmigo. ♥
ESA’s Solar Orbiter is revealing the many faces of the Sun. The Extreme Ultraviolet Imager (EUI) Full Sun Imager (FSI) took the images in the top row and far right column across the week following 30 May 2020, and contributed to the central image.
The yellow images, taken at the extreme ultraviolet wavelength of 17 nanometres, show the Sun’s outer atmosphere, the corona, which exists at a temperature of around one million degrees. The red images, taken at a slightly longer wavelength of 30 nanometres, show the Sun’s transition region, which is an interface between the lower and upper layers of the solar atmosphere. In this region, which is only about 100 km thick, the temperature increases by a factor of up to 100 to reach the one million degrees of the corona.
Solar Orbiter will travel around the Sun and out of the ecliptic plane, which loosely defines where the planets orbit. So, EUI will be able to image the far side of the Sun as well as the solar poles. The middle image shows projected, simultaneous solar images from EUI FSI (red) at Solar Orbiter’s position during its first perihelion, the closest point in its orbit to the Sun, and the NASA Solar Dynamic Observatory mission (gray) in Earth orbit.
The image in the middle of the first column, was taken by the Polarimetric and Helioseismic Imager (PHI) instrument on 18 June 2020. It shows a “magnetic map of the Sun” that reveals the magnetic field strengths on the solar surface. In the bottom right-hand corner there is the beginning of an active region. It can be seen from the closely neighbouring black and white regions, which signify opposite magnetic polarities. In times of increased magnetic activity, plots like this will show many more such active regions.
The blue, white and red image at bottom left is a tachogram of the Sun, again taken with PHI. It shows the line of sight velocity of the Sun, with the blue side turning to us and the red side turning away. In times of increased magnetic activity, this plot will become more turbulent.
Next to this image, is a view of the Sun in visible light, taken by PHI on 18 June 2020. There are no sunspots because there is very little magnetic activity.
Credits: Solar Orbiter/EUI Team; PHI Team/ESA & NASA
Bromas aparte. Robustiano Obeso nunca pensó que una óptica fuera a respetar la fachada y el interior de su negocio de semillas fundado en 1881. Felicidades a la Óptica Toscana por el trabajo tan precioso de rehabilitación del local, el respeto a esa fachada preciosa e incluso, si observáis, al mobiliario que se conserva en el interior. Un tesoro.
Bernard Foing, ESA Senior Scientist, during the ESA Grand Challenge at 69th International Astronautical Congress (IAC), at the Exhibition and Conference Centre in Bremen.
Credits: ESA - Philippe Sebirot
ESA Astronauten mit Trainer
Alexander Gerst (D), Timothy Peake (UK),
Samantha Cristoforetti (I),
Thomas Pesquet (F),
Luca Parmitano
ESA's Kiruna station supports CryoSat, Integral, the Swarm trio and Sentinel 1A. It is located at Salmijärvi, 38 km east of Kiruna, in northern Sweden. Image credit: ESA - CC BY-SA 3.0 IGO
Technology image of the week:
ESA Director General Jan Woerner joined the Agency’s Director of Technology, Engineering and Quality at a special award ceremony for ESA’s inventors.
The ceremony took place at ESA’s technical centre in the Netherlands on 31 May, recognising inventors for their contributions during the past two years, leading to 13 patents.
“It is important to recognise the outstanding results of our ESA staff and contractors,” commented the Director General. “Through their creative work they help to maintain Europe’s competitiveness in the space industry.
“Furthermore, as ambassadors of their ideas, ESA’s inventors support the transfer of these patented technologies to completely new sectors, thereby demonstrating the benefit of space technology for society as a whole.”
In total, ESA’s patent portfolio consists of around 300 patented inventions and about 150 applications in progress, across a diverse variety of technical sectors. This portfolio is managed by the Agency’s Technology Transfer Programme Office, working to find terrestrial uses for advanced space technology.
Among the inventions awarded this time was a compression algorithm specially designed by David Evans to serve data housekeeping aboard satellites: it operates so rapidly that it can compress individual data packets as they are generated.
Credit: ESA–G. Porter
European Service Module-2 wiring at the Airbus integration hall in Bremen, Germany.
The structure is complete and over 11 km of cables are being meticulously placed in preparation for the computers and equipment that will keep astronauts alive and well for the second Orion mission called Exploration Mission-2.
Up to four astronauts will fly Orion to 70 000 km beyond the Moon before completing a lunar flyby and returning to Earth. The mission can take a minimum of 8 days and will collect valuable flight test data.
Credits: ESA–A. Conigli
Progress continues on the East Side Access project as of February 12, 2013.
This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains.
Photo: Metropolitan Transportation Authority / Patrick Cashin.
The progress of the East Side Access construction in Long Island City, Queens, as of December 20, 2012.
This photo, looking east from underneath Northern Boulevard, shows what will be a track bed leading toward four newly excavated tunnels underneath Sunnyside Yard. The tunnels will connect Grand Central Terminal to the LIRR Main Line and to Sunnyside Yard.
Photo: Metropolitan Transportation Authority / Patrick Cashin.
Launched on 7 May 2013, Proba-V is a miniaturised ESA satellite tasked with a full-scale mission: to map land cover and vegetation growth across the entire planet every two days.
This cloud-free image of Hungary, acquired by Proba-V on 19 July 2015, has a 300 m per pixel resolution and is composed of cloud, shadow, and snow/ice screened observations over a period of 1 day.
Hungary is one of ESA’s 22 member states.
Proba-V imagery at 1km resolution is owned by ESA, Proba-V imagery at 300m resolution is owned by Belspo, the Belgian Science Policy Office.
VITO Remote Sensing processes and distribute Proba-V data to users worldwide on behalf of ESA and Belspo.
This image is part of a set to celebrate the launch of ESA’s new Open Access (OA) policy for images, video and data: 22 freshly processed and thus new images of ESA’s 22 member states have just been released under the OA compliant Creative Commons CC-BY SA 3.0 IGO licence. The set consists of one cloud-free image in 300 m per pixel resolution of each ESA member state, i.e. Austria, Belgium, the Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Luxembourg, the Netherlands, Norway, Poland, Portugal, Romania, Spain, Sweden, Switzerland and the United Kingdom.
Credit: ESA/Belspo – produced by VITO, Creative Commons
Just as we receive daily weather updates for Earth, so Mars orbiters and landers are also providing insights to the weather on Mars. From orbit, global changes in cloud and dust can be monitored. ESA’s Mars Express made the first images of carbon dioxide ice clouds in the atmosphere and more recently observed a curious water-ice cloud forming over one of the planet’s large volcanoes. NASA’s Mars Global Surveyor acquires a global view of the red planet and its weather patterns every day. From the surface, the local weather at specific sites is recorded by landers and rovers, providing details of the daily temperature range, wind speed and pressure, for example. Click here to see the daily weather report from NASA’s Insight lander at Elysium Planitia, and here for the weather at Gale Crater, where the Curiosity rover is exploring.
The ESA-Roscosmos surface science platform will also host a suite of weather-recording instruments to monitor the environmental conditions at Oxia Planum. Its instruments will provide data on the ground and air temperature, and on the pressure, humidity, wind, radiation and dust at the landing site.
ESA has demonstrated expertise in studying Mars from orbit, now we are looking to secure a safe landing, to rove across the surface and to drill underground to search for evidence of life. Our orbiters are already in place to provide data relay services for surface missions. The next logical step is to bring samples back to Earth, to provide access to Mars for scientists globally, and to better prepare for future human exploration of the Red Planet.
This graphic highlights the situation in 2026, with six orbiters, one lander and a rover, with more getting ready to join the Mars fleet.
This set of infographics highlight’s ESA’s contribution to Mars exploration as we ramp up to the launch of our second ExoMars mission for the Rosalind Franklin rover.
Credits: ESA
En Biodiversidad virtual y también en Instagram como @proyectoagua.
Korotnevella dejó el suelo para emprender su vuelo y hoy en el aire rapta restos de estrellas de Asterionella que como huesos quebrados, antes de precipitarse hacia el lecho oscuro del fondo, esparcen la esencia blanda de lo que fue su vida, y a esa esencia, Korotnevella se aferra suavemente, abrigándola con su fino manto para extraer hasta su último aliento y tomar su relevo en el tiempo del agua.
Desnuda y fría la ameba Korotnevella extiende su mano suave de largos dedos en el vacío del infinito palpando la inmensidad de cada gota en el Lago de Sanabria. Remontó el vuelo desde los fondos y hoy encuentra en este cielo líquido cargado de estrellas que tiñen las transparencias de turbio verde, los restos de los naufragios de las estrellas que se apagan y que en ella encenderán su luz de vida transparente minúscula y discreta.
Esa mano amable de Korotnevella no reconoce hoy este paisaje hermoso y milenario que sumergido cuenta historias de corrupción que le hicieron y le hacen tanto daño, historias de depuradoras que no funcionan, de dineros malgastados, de aguas teñidas de verde, de corruptos enriquecidos, de impostores que se erigen en nombre de la ciencia para disimular el gran destrozo que arrasa su alma líquida...una historia de este Lago herido y bello en el que la vida corre a paso acelarado intentando como Sísifo tornar las aguas de cristal y a cada grumo de indecencia conquistado nuevos grumos llueven implacables sobre cualquier esperanza...¿hasta cuándo?
Korotnevella es una pequeña ameba, de sinuosos y finos contornos muy similar a Mayorella pero de dedos largos y estrechos que se extienden desde el borde hialino que la rodea. Con frecuencia su núcleo presenta un material nucleolar irregular o lobulado lo que le da la apariencia de ser una ameba de dos núcleos. A diferencia de otras amebas, la fina Korotnevella no presenta en su citoplasma inclusiones cristalinas por lo que su apariencia es bastante uniforme e incolora, y su superficie mágica está recubierta por una finísima capa de escamas de encaje invisible, son su guante misterioso y profundamente bello, que solamente el microscopio electrónico permite revelar.
La mano amable de Korotnevella es mano sanadora que se va deslizando imperceptible sobre la superficie de los fondos, y ahora sobre el cielo líquido, cubriendo con su fina capa todo lo que encuentra a su paso, va recogiendo con su finos dedos las algas, bacterias y restos de vida con las que su vida se fundirá, trata así, con tanto amor, de limpiar lo que el hombre ensució, y devolver la luz al agua y al lecho del Lago su aspereza de granito fresco y arena limpia sobre el que su alma fría reposa milenaria.
Korotnevella es una ameba de distribuicón desconocida en nuestro país y probablemente repartida por numerosas masas de agua con importante carga orgánica. La fotografía de hoy, realizada a 400 aumentos con la técnicas de contraste de interferencia se ha tomado sobre una muestra recolectada en superficie, el 17 de febrero de 2019, por María y Tomás en el Lago de Sanabria (Zamora) junto a la isla de Moras, desde el catamarán Helios Sanabria el primer catamarán construido en el Planeta propulsado por energía eólica y solar.
LIBRO: Lago de Sanabria 2015, presente y futuro de un ecosistema en desequilibrio
Presentación ponencia congreso internacional de Limnología de la AIL
Informes de contaminación en el Lago de Sanabria
informe de evolución de la contaminación en el Lago de Sanabria
They have a passion for space and are some of the best engineers anywhere, conducting flight operations for exploration, technology and Earth missions worth billions of euros. Above all, ESA’s flight directors and spacecraft operations managers are team leaders, working to motivate people and manage complex systems on the cutting edge of exploration.
This photo, taken 2 November, shows 25 of the 40 spacecraft operations managers and flight directors assigned to missions this year. Those not present were away on duty travel, working off site or overseeing live operations or simulation training.
At the moment, ESA’s control centre in Darmstadt, Germany, is seeing a historically intense pace of flight operations. There are four training campaigns in progress for Galileo-11/12, LISA Pathfinder, Sentinel-3A and ExoMars to prepare teams for upcoming launches, while flight operations for 15 satellites plus three more controlled from ESA’s Redu Centre in Belgium continue.
The launch and operation of any ESA mission requires a multidisciplinary ‘team of teams’ working across the agency and supported by industry and academia. However, it is the spacecraft operations manager, the ubiquitous SOM, who is immediately responsible for day-to-day flight activities, planning and execution, and for solving the myriad problems that inevitably arise when complex satellites voyage into space.
An SOM is assigned to each current and upcoming ESA mission, and his/her first task is to build the Flight Control Team, comprising spacecraft engineers and technicians who specialise in each of the mission’s technical areas, including attitude and orbit control, power and thermal and onboard computer systems.
The Flight Control Teams are supported by experts working in areas such as flight dynamics, software and ground tracking stations.
Teams are multidisciplinary and multicultural, and provide oversight for their missions 24 hours per day, 365 days per year.
In the photo
Back row, from left: Marcus Kirsch (Xmm Newton), Hervé Côme (Galileo), Kim Nergaard (Meteron), David Evans (OPS-SAT), Bruno Sousa (Cluster), Juan Piñeiro (Aeolus), Richard Southworth (Integral), Isabel Rojo (Seosat), Daniel Mesples (Sentinel-5P), Paolo Ferri (Head of Mission Operations), Franco Marchese (Sentinel-2), Tiago Loureiro (ExoMars/Rover 2018), Ignacio Tanco (Solar Orbiter), Christoph Steiger (GOCE), Paul Steele (Meteron), Peter Schmitz (ExoMars/TGO 2016), Elia Maestroni (Cryosat).
Between the rows: Adam Williams (Venus Express), Sylvain Lodiot (Rosetta)
Front row: Micha Schmidt (Euclid), Frank Diekmann (Swarm), Andrea Accomazzo (Head of Solar & Planetary Missions, JUICE), Pier P Emanuelli (Head of EO Missions), José Morales (Sentinel-3), David Milligan (Gaia)
Absent: Andreas Rudolph (astronomy & fundamental physics division head), Benoit Demelenne (Probas), Danilo Liberatore (Galileo), Elsa Montagnon (BepiColombo), Etienne Tilmans (Probas), Ian Harrison (LISA Pathfinder), Ian Shurmer (Sentinel-1), Liviu Stefanov (Galileo), Michael Schmidt (Head of Studies & Special Projects), Michel Denis (Mars Express), Nic Mardle (EarthCARE, BioMass), Richard Lumb (Galileo), Sandro Matussi (Galileo), Steve Foley (MSG-4), Nigel Head (MSG-4)
More information
ESA’s operations managers: the ‘Right Stuff’
Ground segment: preparing for launch
Credit: ESA/J. Mai - CC BY-SA 3.0 IGO
A más de 2.500 metros de altura y subiendo hacía la cima del Puigmal, las nubes me sobrevolaban cercanas como provocándome para que saltara y me sujetara a alguna de ellas y acompañarlas así en su viaje etéreo.
Decliné la oferta y seguí con mi ascensión a la cima donde estaba seguro que otras nubes, igual me estarían esperando también.
Mientras disfruté de esa sensación de estar casi flotando entre riscos elevados y formas algodonosas.
Progress continues on the East Side Access project as of February 12, 2013.
This photo shows work on the caverns underneath Grand Central Terminal that will house a future concourse for arriving and departing Long Island Rail Road trains.
Photo: Metropolitan Transportation Authority / Patrick Cashin.