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«Zumaia es como un lugar religioso para los geólogos». Esta frase la pronunció Bruce Runnegar, director de Astrobiología de la NASA, tras su visita a los acantilados situados entre Zumaia y Deba.
Con esta definición el experto norteamericano no hacía más que corroborar un hecho conocido por la comunidad científica internacional. La rasa mareal, el flysch situado en este tramo de ocho kilómetros de la costa guipuzcoana presenta un extraordinario interés geológico.
El afloramiento de los estratos permite leer en ellos 50 millones de años de la tierra. Allí están registrados todos los cambios climáticos, geológicos y biológicos producidos en ese enorme lapso de tiempo.
“I am no blank slate for love to write on.
My heart has walls marred with cracks,
bloodstains, and bullet holes;
graffitied over by past lovers.”
― John Mark Green
Visit Tabula Rasa by Theda Tammas
sometimes i feel like that...
static in the same place, looking at the same things, trying to see the unseen...
: )
Well, it's the beginning of a new year, and many people make resolutions. I never do. Why make promises to yourself that you most likely won't keep? Instead, if we could just live one day at a time, and find something to be thankful for each day, there would be fewer regrets.
2020 was such a difficult year for the whole world, and just because it's now 2021, doesn't mean there's a magic pill and suddenly everything's changed. It will take time for the vaccine to get to everyone, and in my opinion, life has changed forever. But there is always hope. And hopefully we have learned from it. I am so thankful for all of my friends that I've made here on Flickr - you have changed my life. And I look forward to seeing your images this year and chatting with many of you.
I haven't been on here much lately, and I have missed you guys. I hope that will change this year.
En las profundidades de la Vall d'Ora, en la comarca leridana del Solsonés, y por terreno bastante agreste y vírgen, se esconde este pequeño barranco repleto de sedimentos calcáreos y bonitas pozas con cristalinas aguas de color esmeralda. Más que en el Prepirineo, uno siente por algunos momentos haberse teletransportado a las selvas de Costa Rica.
Panorámica de 4 tomas verticales. Trípode, disparador remoto, polarizador circular.
Rasa mareal bajo el área recreativa de Elorriaga.
Foto tomada en invierno con filtro de densidad neutra para obtener una exposición de 1.5 seg.
Lagoa Rasa is one of 7 volcanic lakes found in the highlands on the Island Of Flores in the Azores. The lakes are the result of activity in one of 3 major volcanic centers. Lagoa Rasa (Shallow Lagoon) is located in the southern most volcanic center near Lagoa Funda (Deep Lagoon). The later lake sits at an elevation of 500 meters above sea level while Lagoa Rasa sits next to it but some 150 meters higher in elevation. Lagoa Raza formed in the last stage of volcanic activity in the Lagoa Funda Volcanic Center around 3254 years before present. Geologically Lagoa Raza is a maar. These geological features are low-relief, broad volcanic craters formed during shallow explosive eruptions. These explosions are usually caused by the heating and boiling of groundwater when magma invades the groundwater table. When both magma and water are involved, volcanologists refer to the explosions as Phreatomagmatic eruptions. The low cone around the crater is formed of ash and rock particles ejected during the explosions. The resultant rock is often referred to as a pyroclastic rock. The volcanic ash is called tuff and, here because of the size of the ash particles in this cone, it is referred to as lapilli tuff. As often happens with maars, the ones on Flores are often filled with lakes. A scoria cone (cinder cone) rises in the background.
References:
www.diariesofmagazine.com/lagoons-flores-island-azores/
volcanoes.usgs.gov/vsc/glossary/maar.html
www.nps.gov/articles/000/maars-and-tuff-rings.htm
www.sciencedirect.com/science/article/pii/S03770273220023...
La foto es de ayer.
Playa de Itzurun , Zumaia
Es increíble ver y estar sobre estas placas, con las olas rompiendo sobre ellas, algo único, fantástico.
M42 The great Orion nebula (night 1+2)
Playing with iTelescope.net free features. Remote telescope helping reaching impossible objects from my latitude.
Details:
Lights: 16x150s
No darks. No flats.
Equipment:
-T68 instance on iTelescope.net
-OTA: Celestron RASA 11" 280mm
-DSS + Pixinsight + Adobe Photoshop + Topaz DeNoise AI
Annotated version:
nova.astrometry.net/user_images/6642527#annotated
Follow me on Twitter: @elbuscadorpolar / Instagram: @tupolevmgr
por vezes, o que reflete supera o refletido!
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[170,0 mm] [1/250s] [f/ 11.0] [ISO 200] NIKON D90
são lambretas... são afroidisíacas... são deliciosas... mas estão vivas, e dentro d'água... não tenho coragem de pegá-las !
: )))
The North America Nebula, NGC 7000, is an emission nebula in the constellation Cygnus. Above is the Pelican Nebula (enlarged on the 2nd image). Together the area of this nebula reaches 5 full moons across and can be seen with the unaided eye in a dark sky location.
This target was shot with using a high speed, wide field 400mm telescope coupled with a 26 Megapixel cooled camera from my light polluted backyard.
Data
Camera: ASI2600MC-Pro
Telescope: Celestron RASA 8
Focal Length: 400mm
Aperture: f/2
Mount: Celestron CGX
Filter: Celestron RASA LPS
Frames: 187X30sec
Gain: 0 Offset: 10
OAT: 19°C
Camera Temp: -10°C
Guiding: ASI290MM
Bias: 50 frames
Darks: 50 frames
Flats: 50 frames
Post Processing: Pixinsight, PS, LR
Fantástico lugar, hay que andar con cuidado, con las aristas y las olas.
Playa de Itzurun, Zumaia, Guipúzcoa
I will fight the system, break it down and redesign it
I don't want anything the way it's created by them
Where is my right to choose, if all the options are theirs?
We can be the system, it will turn and try to own us
We can have everything, if we will change into them
Now it's our time to choose, which of the options are theirs.
[SOEN - Tabula Rasa]
Photo: Maurizio Coppola
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Bei dem schönen Wetter, welches wir am ersten März-Wochenende meist hatten, habe ich bei unserem Familienbesuch in Vacha am Samstagnachmittag eine kleine Fotorunde gedreht.
So wurde der Blick auf die Ortschaft Räsa bildlich eingefangen - im Hintergrund das K+S-Werk Unterbreizbach.
The Rosette Nebula, NGC 2237, is not the only cosmic cloud of gas and dust to evoke the imagery of flowers, but it is the most famous. At the edge of a large molecular cloud in Monoceros some 5,000 light years away, the petals of this cosmic rose are actually a stellar nursery. The lovely, symmetric shape is sculpted by the winds and radiation from its central cluster of hot young, O-type stars. Stars in the energetic cluster, catalogued as NGC 2244, are only a few million years young, while the central cavity in the Rosette Nebula, is about 50 light-years in diameter.
Data from November 2022 and 2021
Celestron RASA 8"
ZWO183mc pro
ZWO EAF
IDAS NBZ filter
ZWO air pro
Sky-Watcher HEQ5 Pro
80*120s Lights, Flats , Darks and Bias.
Gain 122 at -10C
Processed in Pixinsight and Photoshop
Processed following lukomatico /AnotherAstroChannel videos
Una panoramica donde intento presentar las grandes llanuras que se dan en nuestros flicher ..son playa donde el caminar es complicado ... pues tiene mucha altura las rocas