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Olet estänyt käyttäjän @ExoMars_CaSSIS
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ExoMars CaSSIS uudelleentwiittasi
From
#Mars with love this holiday season: an ice-filled crater set against the deep red of the surface, all the way from the planet's north pole
Explore hi-res
https://www.esa.int/ESA_Multimedia/Images/2021/12/Red_velvet_Mars …
@ExoMars_CaSSISpic.twitter.com/GvJEK5XZGS
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
Ice-filled crater in the Martian polar region of Vastitas Borealis. Water ice may exist for longer periods on north facing slopes, which receive fewer hours of sunlight on average throughout the year.
#ESA#UniBern#Mars#ExoMars#Roscosmospic.twitter.com/yjC7wE3Jp8
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
ExoMars CaSSIS uudelleentwiittasi
New image from
#Mars! Part of the Ritchey impact crater, including its central uplift raised from depth during the impact process itself, and a variety of different textures and features within!#ExploreFarther
https://www.esa.int/ESA_Multimedia/Images/2021/12/Crater_uplift … @ExoMars_CaSSISpic.twitter.com/XsWcuBIJL2
Näytä tämä ketjuKiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
Ritchey Crater (309.06°E, 28.13°S) has exposed bedrock, variety of impactites and post-impact materials. RGB images show what you would see but my filters (NIR-RED-PAN-BLU) help differentiate various materials. Can you
the differences ? #Mars#UniBern#ExoMars#ESA#Roscomospic.twitter.com/MUIEI6I7T8
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
A dramatic evening image of a 6-km diameter crater in the northern plains of Mars, where half the crater is in shadow. The path taken by crater's ejecta can be clearly seen in the form of grooves radiating away from the crater's centre.
#ESA#UniBern#Mars#ExoMars#Roscosmospic.twitter.com/nz6mRG3RFv
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
ExoMars CaSSIS uudelleentwiittasi
North-facing icy scarps inside this impact crater on
#Mars stand out in this new pic taken by@ExoMars_CaSSIS
Hi-res & more info
https://www.esa.int/ESA_Multimedia/Images/2021/11/Icy_cliff … #explorefarther#exomarspic.twitter.com/tzxbrcdXpP
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
Icy scarps made visible, despite the low light in this late evening image, by their covering of bright white CO2 frost. Usually gone in spring, frost remains late on these scarps because of their pole-facing orientation.
#CasSSISseesMars#UniBe#ESA#Roscosmos#ExoMars#Marspic.twitter.com/u4Dr6vXUHL
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
Shown here is a double crater in Arcadia Planitia. This duo 2-kilometer crater formed by the simultaneous impact of two projectiles. The interaction of the two shockwaves created a spectacular butterfly pattern in the ejecta blanket.
#ESA#unibern#Mars#cassisseesmarspic.twitter.com/9eThWDQQEg
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
ExoMars CaSSIS uudelleentwiittasi
These beautiful swirls are thoroughly mesmerising, don't you think?! I imaged this landscape in the deep Hellas basin of
#Mars with@ExoMars_CaSSIS
Explore the scene
https://www.esa.int/ESA_Multimedia/Images/2021/10/Swirling_deposits_in_a_giant_impact_basin … #ExploreFartherpic.twitter.com/ZE7xzqejEN
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
Look at this cool swirling and looping texture, typical of the deposits on the floor of the #Hellas impact basin in the southern hemisphere of#Mars. The terrain is enigmatic and its origins still puzzle scientists.#CaSSISseesMars#swirls#UniBern#ExoMars#ESA#Roscosmospic.twitter.com/f59kFR4XNV
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
This image taken by CaSSIS on the 19th of May 2021, shows several active dust devils in the northern hemisphere of Mars. Dust devils appear as small vortexes and slightly bluer in this false colour composite image. Can you spot them?
#unibern#ESA#TGOpic.twitter.com/jd9V0iSBwI
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
ExoMars CaSSIS uudelleentwiittasi
New @ExoMars_CaSSIS image from#Mars! Zoom in to the hi-res image to discover exquisite detail of layered deposits exposed in the floor of a 50 km-wide crater
https://www.esa.int/ESA_Multimedia/Images/2021/09/Layered_history …
#ExploreFarther#Exomarspic.twitter.com/qEGct5sZF2
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
Layered deposits exposed on the floor of an impact crater picked out by dark sand trapped in the hollows left by wind erosion. In places the layers are offset, showing that the ground has been fractured in the past.
#unibern#ESA#exomars#cassisseesmarspic.twitter.com/6V9fTsG3G6
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
ExoMars CaSSIS uudelleentwiittasi
New image from #Mars showing the volcanic region of Elysium Planitia! I am looking straight down into two blue trenches, called Cerberus Fossae, which likely formed by tectonic processes. Enjoy the full view here
https://www.esa.int/ESA_Multimedia/Images/2021/09/Volcanic_trenches_on_Mars …
image by @ExoMars_CaSSISpic.twitter.com/cgFG1u7GTg
Näytä tämä ketjuKiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
This is a segment of Cerberus Fossae trench system. The few hundred metres deep floor is filled with coarse-grained, likely basaltic in composition sand, which appears blue in the CaSSIS false-colour composite image. Notice the small impact craters in the nearby flatlands!pic.twitter.com/5xrhRSi9aK
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
I took this incredible image on 13 April 2021. A 5km-long #landslide is visible at the rim of an unnamed 35km-diameter crater located in the Aeolis Region. What is your favorite#martian landscape ? Let me know your thoughts about it !pic.twitter.com/gsQd6OIg8P
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
These three impact
#craters are located in the Lunae Planum region on#Mars. This region is covered by large deposits of lava, probably from the volcanoes of Tharsis Montes. The layers (or strata) of lava are clearly visible inside the largest crater. Image taken on 22 March 2021pic.twitter.com/r6DnVS5hOp
Kiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
4/4 This task becomes difficult when the duneform comprises of a combination of dune types. Here, the dune shapes imply divergent wind directions, the outer dunes appear to be pushed away from the crater while the inner dunes seem to be dragged to the center of the crater.
Näytä tämä ketjuKiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
3/4 On the other hand, the windward slope is usually longer in length and is facing the wind. As dunes migrate following the wind direction, it is possible to understand whether they are flowing in or out of this crater by determining the lee and windward sides of the dunes.
Näytä tämä ketjuKiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa -
2/4 For transverse, parabolic and cresentic dunes, the crest lines can help to determine the wind direction as the steeper slope, called the leeward side, has a short length from the crest line to the baseline and indicates a downwind direction.
Näytä tämä ketjuKiitos. Käytämme tätä aikajanasi parantamiseen. KumoaKumoa
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