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HiPOD 14 Jan 2019: The Source of Dunes in Chasma Boreale— HiRISE (NASA) (@HiRISE) January 14, 2019
These dunes, which are near the head of the largest trough in the North Polar cap, were formed by strong winds blowing down the canyon toward its mouth.
NASA/JPL/University of Arizonahttps://t.co/pmOHW3ftIF#Mars #NASA pic.twitter.com/m892ajiOwa
HiPOD 21 Jan 2019: Contours— HiRISE (NASA) (@HiRISE) January 21, 2019
The objective of this observation is to search for layers in the northern ice cap. And also to marvel at the contours that were centuries in the making.
date: 14 Mar 2018
altitude: 318 km
NASA/JPL/University of Arizonahttps://t.co/zGBA1JYp2B pic.twitter.com/GXFPOgRT7v
HiPOD 22 Jan 2019: Chain of Craters— HiRISE (NASA) (@HiRISE) January 22, 2019
The terrain here looks like it took many serious lashings. Could any of these impacts be secondary craters?
date: 14 Mar 2018
altitude: 285 km
NASA/JPL/University of Arizonahttps://t.co/guLx711bW3 #Mars #NASA pic.twitter.com/jH4nY696GC
HiPOD 24 Jan 2019: Plains with Diverse Lithologies— HiRISE (NASA) (@HiRISE) January 24, 2019
This observation is within an large impact crater, located north of Her Desher Vallis. The region itself is south of the Valles Marineris canyon system.
NASA/JPL/University of Arizonahttps://t.co/ws6zkmxtRL#Mars #NASA pic.twitter.com/Xu0yOfVXBd
HiPOD 29 Jan 2019: Me and My Little Friend— HiRISE (NASA) (@HiRISE) January 29, 2019
A very interesting-looking 5-kilometer crater located in Ascraeus Mons, a large shield volcano located in the Tharsis region of the planet Mars.
NASA/JPL/University of Arizonahttps://t.co/E7unxptbB5 pic.twitter.com/DHZZQrbZOM
We’ve been studying #Mars for more than 15 years with Mars Express. Now ExoMars @ESA_TGO is sniffing for gases and sending images like this: an ancient river delta that once carried liquid water across the planet’s surface! #ScienceAtESA— ESA (@esa) February 4, 2019
Read more: https://t.co/74QbZJ0jal pic.twitter.com/BTyPeeeXRz
HiPOD 15 Feb 2019: Plains with Diverse Lithologies— HiRISE (NASA) (@HiRISE) February 15, 2019
These pockmarked plains outside of a larger impact crater show some very nice (enhanced) colors.
date: 20 March 2018
altitude: 256 km
NASA/JPL/University of Arizonahttps://t.co/vOOCSZb9tm pic.twitter.com/tmCEOyfESJ