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ESA's Optical Ground Station (OGS) is 2400 m above sea level on the volcanic island of Tenerife. Visible green laser beams are used for stabilising the sending and receiving telescopes on the two islands. The invisible infrared single photons used for quantum teleportation are sent from the neighbouring island La Palma and received by the 1 m Telescope located under the dome of the OGS. Initial experiments with entangled photons were performed in 2007, but teleportation of quantum states could only be achieved in 2012 by improving the performance of the set-up.
Aside from inter-island experiments for quantum communication and teleportation, the OGS is also used for standard laser communication with satellites, for observations of space debris or for finding new asteroids. The picture is a multiple exposure also including Tenerife's Teide volcano and the Milky Way in the background [ESA/IQOQI Vienna, Austrian Academy of Sciences].
VMC Image acquired on 28-10-2018 at 10:25:59 at an altitude of 9557.68 km above Mars, on Mars Express orbit number 18754. Image #19 out of 23 from this observation.
Credit: ESA - European Space Agency, creativecommons.org/licenses/by-sa/3.0/igo/ CC BY-SA 3.0 IGO
Thousands flocked to ESTEC, ESA's technical heart in the Netherlands on Sunday 6 October to celebrate the ESA Open Day.
People got the chance to meet astronauts, space experts and saw behind the scenes of Europe’s space adventure at ESA’s largest establishment.
Credits: ESA-G.Porter
Scenes from the Artemis I mission going beyond the Moon and back to Earth taken at ESA's mission evaluation room housed in the Erasmus support facility at ESA's technical heart ESTEC in The Netherlands.
Experts from ESA, Airbus and Thales Alenia Space constantly watch the European Service Module’s systems from countdown to launch and during flight. The operational team is located in the Erasmus Support Facility, a multi-purpose control centre which supports users from the International Space Station European Robotic Arm, ESA’s Columbus Space Station module and public relations teams.
After its launch on November 16, the Orion spacecraft has been heading toward the Moon on its 25-day Artemis I mission. Orion was launched by the NASA Space Launch System (SLS) rocket at 7:47 CET (06:47 GMT) from launchpad 39B at NASA’s Kennedy Space Center in Florida, USA.4
The European Service Module is powering Orion, providing propulsion, temperature control, electricity as well as storage and delivery for essential supplies such as fuel, water and air. This first Artemis mission is an uncrewed test mission, putting the spacecraft through its paces preparing to send astronauts forward to the Moon.
The uncrewed mission to learn as much as possible about Orion and its European Service Module’s performance. The primary objectives are to demonstrate Orion’s heat shield on reentry, demonstrate operations and facilities during all mission phases, and retrieve the spacecraft after splashdown.
More on the ESA control centre here: www.esa.int/Science_Exploration/Human_and_Robotic_Explora...
Credits: ESA–A. Conigli
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East Side Access Update: This photo shows outdoor work at the Harold Interlocking. Photo: MTA Capital Construction.
A selection of images from the 'Long Night of the Stars', ESOC's 50th anniversary open house, on Friday, 8 September 2017. Credit: ESA/J.Mai
East Side Access tunnel boring machine launch March 18, 2011. Photo by Metropolitan Transportation Authority / Patrick Cashin.
Thousands flocked to ESTEC, ESA's technical heart in the Netherlands on Sunday 6 October to celebrate the ESA Open Day.
People got the chance to meet astronauts, space experts and saw behind the scenes of Europe’s space adventure at ESA’s largest establishment.
Credits: ESA-G.Porter
More interesting chapters of Kama Sutra translated in Italian and illustrated by me in this combination of hesa-tetra flexagons and tetra-tetra flexagon.
A book and a game for some new discovers...
Bonita pareja que forman, no se quien es mas bueno de los dos.
Para los compañeros de locuras Naty y Cordo
East Side Access Update: This photo shows outdoor work at the Harold Interlocking. Photo: MTA Capital Construction.
Expedition 50 ESA astronaut Thomas Pesquet is seen during the State Commission meeting, Wednesday, Nov. 16, 2016 at the Cosmonaut Hotel in Baikonur, Kazakhstan. Pesquet, NASA astronaut Peggy Whitson, and Russian cosmonaut Oleg Novitskiy of Roscosmos will launch from the Baikonur Cosmodrome in Kazakhstan the morning of November 18 (Kazakh time.) All three will spend approximately six months on the orbital complex. Photo Credit: (NASA/Bill Ingalls)
An impromptu visit to the Main Control Room at ESOC by ESA's soon-to-be DG, Jan Woerner, to meet the Sentinel-2A launch team. Credit: ESA/D. Scuka - CC BY-SA IGO 3.0
Thousands flocked to ESTEC, ESA's technical heart in the Netherlands on Sunday 6 October to celebrate the ESA Open Day.
People got the chance to meet astronauts, space experts and saw behind the scenes of Europe’s space adventure at ESA’s largest establishment.
Credits: ESA-G.Porter
Thousands flocked to ESTEC, ESA's technical heart in the Netherlands on Sunday 6 October to celebrate the ESA Open Day.
People got the chance to meet astronauts, space experts and saw behind the scenes of Europe’s space adventure at ESA’s largest establishment.
Credits: ESA-G.Porter