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Hourly Cosmos @hourlycosmos.bsky.social · 28/09/2026

Phobos over Ascraeus Mons - NASA 's Viking 2 1977 - From Andrea Luck (andrealuck.bsky.social) - flic.kr/p/2oRhn1S

Download full size image: www.flickr.com/photos/192271236@N03/53066242230/sizes/o/ (License Below)

Credit:
NASA/JPL/AndreaLuck

Colourised image created using data processed from pds-imaging.jpl.nasa.gov/

Mission: VIKING ORBITER2 - EXTENDED_MISSION
Distance from Phobos: 8000 km
Orbit: 304
Instrument: VISUAL_IMAGING_SUBSYSTEM_CAMERA_B
Time: 1977-06-23 T 11:17:04
Product ID: f304b88 (planetarydata.jpl.nasa.gov/img/data/viking/viking_orbiter...)

Notes from NASA: Viking 2 Orbiter image of Phobos orbiting over Ascraeus Mons on Mars. Phobos is about 8000 km below the spacecraft and 22 km across. Ascraeus Mons is 13,000 km away and about 300 km at its base, centered at 11 N, 104 W. North is at 11:30, and Phobos is moving from left to right relative to the surface.

Credit:
NASA/JPL/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/

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Hourly Cosmos @hourlycosmos.bsky.social · 28/09/2026

Mars - Dust Storm near the South Pole - CNSA Tianwen-1 - From Andrea Luck (andrealuck.bsky.social) - flic.kr/p/2pspkee

Full size image 8500x4790: www.flickr.com/photos/192271236@N03/53463679363/sizes/o/

Same region/same day from the point of view of Hope Mars Mission probe: flic.kr/p/2ptEvp6

Also same day Hope Mars Mission detected multiple dust storms in the Southern Hemisphere, take a look here: flic.kr/p/2oxtRbn

Credit
Raw Image Copyright: CNSA/CLEP/PEC/MoRIC
Image Processing: Andrea Luck

Image created using data processed from moon.bao.ac.cn

Mission: Tianwen-1
Region: South Polar Region
South on the right
Time: 2022-09-26T18:58:53
MoRIC Moderate Resolution Imaging Camera
Mars Cordinate System: Long 164.030441 Lat -82.632718
Altitude: 295 km
Photo IDs (5 images):
HX1-Or_GRAS_MoRIC-F-0038_SCI_N_20220926185727_20220926185727_01649_A.2C
HX1-Or_GRAS_MoRIC-F-0039_SCI_N_20220926185747_20220926185747_01649_A.2C
HX1-Or_GRAS_MoRIC-F-0040_SCI_N_20220926185807_20220926185807_01649_A.2C
HX1-Or_GRAS_MoRIC-F-0041_SCI_N_20220926185830_20220926185830_01649_A.2C
HX1-Or_GRAS_MoRIC-F-0042_SCI_N_20220926185853_20220926185853_01649_A.2C

Credit
Raw Image Copyright: CNSA/CLEP/PEC/MoRIC
Image Processing: Andrea Luck

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Del - Martian Observer @martian-observer.net · 27/09/2026

Has Mars gone granola? Curiosity rover has found a texture straight out of a cereal bowl Mars Guy Episode 286 (27th September, 2026)

youtube.com

Has Mars gone granola?

YouTube video by Mars Guy

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HiRISE Beautiful Mars (NASA) @uahirise.bsky.social · 25/09/2026

HiPOD: Clay-Bearing Outcrops near Vedra Valles Clay-rich deposits are detected at this location on isolated hills near Lunae Planum. These outcrops need to be analyzed in detail to better characterize their shape. uahirise.org/hipod/ESP_077306_2000 NASA/JPL-Caltech/University of Arizona

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Perseverance Image Bot 📡 @persevereimgbot.bsky.social · 25/09/2026

Sol 1989: Front Left Hazard Avoidance Camera (Hazcam), taken at 14:30:23.126 (local mean solar time)

An image taken by the Perseverance rover on Mars

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EarthSky @earthskyscience.bsky.social · 24/09/2026

Curiosity rover on Mars reaches 5,000 sols! 🔴 NASA’s #Curiosity #rover landed inside #Mars’ #GaleCrater on August 6, 2012. It reached the 5,000-sol (Martian day) milestone on August 29, 2026. The car-sized rover has traveled roughly 23 miles (37 km). buff.ly/jc3Q4jz 📸 NASA Photojournal.

Rover hardware occupies the foreground overlooking a rocky, frost-dusted Martian plain with scattered stones and low ridges under a low sun casting warm highlights and cool blue shadows.

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Daniel Pomarède @pomarede.bsky.social · 24/09/2026

Perseverance Mastcam-Z 360° Panorama #55: Groloy (and Viking Lander Commemoration), Sol 1932 (July 27, 2026) ☑️ all panoramas mastcamz.asu.edu/mastcam-zs-3... ☑️ 360° VR view maps.planet.fu-berlin.de/jezero/360/55 #Mars 🔭🧪

An enhanced color 360° panorama capturing a Martian landscape with the Perseverance rover in the foreground.

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Daniel Pomarède @pomarede.bsky.social · 24/09/2026

Stereo3D view captured yesterday by Curiosity To go 3D: eyes' lines of sight parallel, left image for left eye, right image for right eye. #Mars Sept. 22, 2026 - Sol 5022 Credits: NASA/JPL-Caltech 🧪🔭

A dual left/right stereoscopic pair of black and white photographies capturing the Mars rover Curiosity instrumented turret stretched over a sand ripple. This dual image is intended to be used to obtain a Stereo3D rendition of the scene through parallel viewing, and not cross-eyed viewing.

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HiRISE Beautiful Mars (NASA) @uahirise.bsky.social · 24/09/2026

HiPOD: Dune Day in Schaeberle Crater The light-colored, rough surface is covered with small impact craters, showing that this landscape has been exposed for a long time. The smooth, dark dunes were formed by wind-blown sand. uahirise.org/ESP_043582_1555 #Mars #science #NASA

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Riding With Robots @ridingrobots.bsky.social · 23/09/2026

From NASA Layered beauty 😍 The Arabia Terra region on Mars has deposits that preserve a record of the planet’s ancient climate. The rhythmic nature of the layers could be due to cyclic processes, such as dust storms, perhaps involving groundwater. 1/2

A desert landscape seen from directly above. The left side of the frame is filled with layers of light-toned rock and pits filled with dark sand. On the right, below a cliff, is more dark sand windblown into a rippled pattern. NASA/JPL-Caltech/UArizona

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Paul Byrne @theplanetaryguy.com · 23/09/2026

A big part of the paper (and my career) is comparative planetology, the comparing of one world with another. So in this paper, we talk about how and when the crusts of these worlds developed. Those of Mars, Mercury, and the Moon are ancient; some of Earth is very recent. And Venus?? who tf knows

Crustal growth rates of the inner Solar System bodies plotted as cumulative crustal mass as a function of time. Since Earth has two types of crust, it has two curves. Mars, Mercury, and the Moon had the bulk of their crusts in place very early on. Some of Earth's continental crust is very old, but much of it isn't. The Venus crust might be very young, on average, maybe, somehow.

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Hourly Cosmos @hourlycosmos.bsky.social · 21/09/2026

Mars - Frosty Olympus Mons - ESA Mars Express - From Andrea Luck (andrealuck.bsky.social) - flic.kr/p/2pWEwKw

Full size image 3243x3243: www.flickr.com/photos/192271236@N03/53783506692/sizes/o/
See license below.
Credits:
Image Processing: AndreaLuck CC BY
Raw Data: ESA/DLR/FUBerlin

Image created processing data from: psa.esa.int/

Mission: ESA Mars Express
Instrument: HRSC
Orbit: 23889
Time: 2022-11-30T12:15:04.924Z
North Approx on the left
Product IDs:
HN889_0000_ND3.IMG
HN889_0000_GR3.IMG Partially Reconstructed
HN889_0000_BL3.IMG
More info of the frost detection on the Olympus Mons Caldera: www.nature.com/articles/s41561-024-01457-7

Credits:
Image Processing: AndreaLuck CC BY
Raw Data: ESA/DLR/FUBerlin

Feel free to share, giving the appropriate credit and providing a link to the original image or tweet: creativecommons.org/licenses/by/3.0/

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HiRISE Beautiful Mars (NASA) @uahirise.bsky.social · 22/09/2026

HiPOD: Sulfate Deposits in Iani Chaos This HiRISE image shows light-toned layered deposits within Iani Chaos. Many of the same deposits occur within the depressions of Iani Chaos, as well as several nearby regions like Aram and Aureum Chaos. More: uahirise.org/ESP_092877_1780

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Mars Observer's Mars Updates @mars.martian-observer.net · 21/09/2026

New study reveals that the shoreline in Jezero Crater, Mars, was shaped by a complex sequence of ancient lakes, groundwater systems, and hydrothermal fluids

NASA Jet Propulsion Laboratory, California Institute of Technology:

A new study reveals that Jezero Crater’s enigmatic ‘Margin Unit’ was shaped by a complex sequence of ancient lakes, groundwater systems, and hydrothermal fluids.

Image: A Perseverance rover panorama of the “Margin Unit,” a geologic area that hugs the inner edge of Jezero Crater’s rim, captured between Oct. 8 and Oct. 16, 2023.
Credit: NASA/JPL-Caltech/MSSS

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Del - Martian Observer @martian-observer.net · 19/09/2026

Perseverance Mars Rover Outside Jezero Crater Sol 1982 (17th September, 2026) Navcam view of the rover's workspace. S/D: 91/970 CC BY-NC-SA 4.0 Credits: NASA/JPL-Caltech/MSSS/Martian-Observer

The flat rock outcrop and regolith floor that is the rover's current focus of interest as viewed from the navigation camera the the top of the mobile science platform's mast - part of the front of the rover is seen bottom-left.

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Del - Martian Observer @martian-observer.net · 19/09/2026

Perseverance Mars Rover Outside Jezero Crater Sol 1982 (17th September, 2026) SHERLOC-WATSON cam is the rover's magnifying glass for getting up close and personal, it even has it's own LED lights S/D: 91/970 CC BY-NC-SA 4.0 Credits: NASA/JPL-Caltech/MSSS/Martian-Observer

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Daniel Pomarède @pomarede.bsky.social · 18/09/2026

Shishangeni Crater Natural color image processing by the Mastcam-Z team at ASU. #Mars 🔭🧪

A mosaic of five red-toned images, on top of a zoom on its central region, capturing a 25-meter wide crater on Mars, somewhere in the expanses west of the rim of Jezero Crater. Images acquired by Perseverance on sol 1946 (August 10, 2026).

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Jan Vacek @jv-honza.bsky.social · 18/09/2026

Dnes 18.9.2026 / 5018 krátce po půlnoci v 01:33 UTC / 12:33 LMST vyrazila Curiosity na další cestu. Tentokrát vyrazila přibližně jihovýchodním směrem a po 57 minutách jízdy urazila vzdálenost 44 m. Také vjela do dalšího mapového kvadrantu s číslem 189, tak uvidíme, jaké tento mapový bude mít jméno.

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Stuart Atkinson @stuartatkinson.bsky.social · 18/09/2026

You might want to sit down for these... 5,014 days after it landed, the Curiosity rover sent back these absolutely stunning images of Mars. The rover's incredible team deserves some credit from NASA's bosses for their achievement. Images: NASA/JPL-Caltech/MSSS/fredk/Additional processing S Atkinson

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HiRISE Beautiful Mars (NASA) @uahirise.bsky.social · 17/09/2026

HiPOD: Layers in Flammarion Crater The objective of this observation is to examine layers. HiRISE can see details that allows us to discover under what conditions they are produced. uahirise.org/hipod/ESP_065221_2055 NASA/JPL-Caltech/University of Arizona #Mars #science #NASA

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Kevin M. Gill @kevinmgill.bsky.social · 17/09/2026

Closeup of a cluster of dark pebbles embedded in a rock surface. Image taken by the Mars Perseverance Rover on Sol 1982 (yestersol). flic.kr/p/2sBoAgx

A dusty rock. The left side has lighter bits in a gray matrix. The right side is much lighter with darker mottling and is closer to the camera and mostly out of focus. In the center is a cluster of dark pebbles that are somewhat embedded in the light toned rock. The cluster (and a few similar, but smaller clusters) seems to sit in a small pocket seeming to indicate that they are more resistant to erosion than the surrounding white matrix.

NASA/JPL-Caltech/Kevin M. Gill

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Cat O'Connell-Cooper @mars-cat.bsky.social · 16/09/2026

MSL Curiosity: Sol 5014: End of drive Navcam mosaic; workspace MCAM mosaic; rover stats and traverse maps. Image credits: NASA-JPL/Caltech/MSSS. NCAM image stitch and data by P. Hammond. MCAM mosaic stitch by fredk. Maps by Jan Vacek @jv-honza.bsky.social

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Hourly Cosmos @hourlycosmos.bsky.social · 15/09/2026

Clouds over Mont Mercou - Curiosity, sol 3075 - From Thomas Appéré (thomasappere.bsky.social) - flic.kr/p/2kQvCSE

Picture taken by Navcam Right camera of Curiosity rover on sol 3075 (31 March 2021) at 6:48 pm.
Contrast increased.
These clouds are cirrus and gravity waves.
-------------------------------------------------------------------------------------------------
Photo prise par la caméra Navcam Droite du rover Curiosity au sol 3075 (31 mars 2021) à 18h48.
Contraste augmenté.
Ces nuages sont des cirrus et des ondes de gravité.

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Del - Martian Observer @martian-observer.net · 14/09/2026

Perseverance Mars Rover Outside Jezero Crater Sol 1978 (13th September, 2026) Navcam image of the subject rock bearing evidence of the recent abrasion and a balked sampling attempt. S/D: 91/806 CC BY-NC-SA 4.0 Credits: NASA/JPL-Caltech/MSSS/Martian-Observer

A 'salt-and-pepper' white and dark speckled rock sits unmoved on the regolith despite two assaults from from the rover's arm-mounted power tools. It looks somewhat smug, if a rock can be said to look smug. The rover's folded-back tool arm can be seen in the bottom half of the image.

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Stuart Atkinson @stuartatkinson.bsky.social · 14/09/2026

Mars has some spectacularly insanely huge features - towering volcanoes, deep valleys, vast deserts - but kneel down in the cinnamon-hued dust and you'll also see it has exquisitely beautiful smaller features on its surface too... Sept 14th Curiosity images credit: NASA/JPL-Caltech/S Atkinson

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Del - Martian Observer @martian-observer.net · 14/09/2026

Not often that Perseverance rover finds rock too hard to nibble a bite from SHERLOC WATSON cam on sol 1977 (12th September, 2026) S/D: 91/806 CC BY-NC-SA 4.0 Credits: NASA/JPL-Caltech/MSSS/Martian-Observer

An abandoned rock sample attempt - a not very deep core-hole, with the core still in place in the subject rock - quite close to the recent abrasion.

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NeV-T @nev-t.bsky.social · 13/09/2026

🟠 MSL 5000 MR © NASA/JPL-Caltech/MSSS/NeV-T Q-VIEW - live.staticflickr.com/65535/555260... Gigapan - gigapan.com/gigapans/239... GIGAmacro - viewer.gigamacro.com/view/ZVIXBph... Gigapan Website - www.nev-t-gigamacros.com #Mars #science #NASA

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NeV-T @nev-t.bsky.social · 13/09/2026

🟠 MSL 5000 ML © NASA/JPL-Caltech/MSSS/NeV-T Q-VIEW - live.staticflickr.com/65535/555260... Gigapan - gigapan.com/gigapans/239... GIGAmacro - viewer.gigamacro.com/view/xtZtVrR... Gigapan Website - www.nev-t-gigamacros.com #Mars #science #NASA

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Del - Martian Observer @martian-observer.net · 13/09/2026

Mars Guy, episode 284 (13th Sept, 2026): A deeper dive into Perseverance's freakish find

youtube.com

A deeper dive into a freakish find

YouTube video by Mars Guy

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Simeon Schmauß @stim3on.bsky.social · 13/09/2026

Here is an even more complete animation made by @landru79.bsky.social I hope Perseverance will capture even more images like this so we can make a complete animation!

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Simeon Schmauß @stim3on.bsky.social · 13/09/2026

The Perseverance rover is rather busy capturing images of Phobos lately. This was taken yesterday on Sol 1978 of the mission. 🔭🧪 flic.kr/p/2sAEB4a Credit: NASA/JPL-Caltech/ASU/Simeon Schmauß

a potato shaped moon against the dark sky.
The large crater Stikney at the top is mostly in shadow, making parts of its rim look like they are not attached to the moon.

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Stuart Atkinson @stuartatkinson.bsky.social · 13/09/2026

To be honest, I'm not really sure why, but I *love* this new image from Curiosity showing Martian rocks and pebbles covering a low dust dune, high up on the slopes of Mt Sharp... Image: NASA/JPL-Caltech/MSSS/fredk/S Atkinson

Image taken by the Mars rover Curiosity, currently working its way up a valley, high up on the slopes of Mt Sharp in the centre of Gale Crater.

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HiRISE Beautiful Mars (NASA) @uahirise.bsky.social · 12/09/2026

HiPOD: Gullies in Liu Hsin Crater Here we have a group of small gullies along a rock layer on the south wall of Liu Hsin Crater. At the foot of the gullies you can see the “fans” of granular sediment that have been deposited downhill. uahirise.org/hipod/ESP_038896_1255 #Mars #NASA

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Del - Martian Observer @martian-observer.net · 12/09/2026

An interesting video [that I missed for some reason] from Mars Guy last week about those freaky weird graphic granite-like rocks currently under investigation by Perseverance rover outside Jezero crater

youtube.com

A freakish find for Perseverance

YouTube video by Mars Guy

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David S. F. Portree @dsfpspacefl1ght.bsky.social · 12/09/2026

In 1979, JPL called upon big names in the Mars science community to choose candidate landing sites for a "minimum" Mars Sample Return mission. They had only Mariner and Viking data to draw upon. This blog post sums up their many recommendations. spaceflighthistory.blogspot.com/2021/12/mars...

spaceflighthistory.blogspot.com

Mars Sample Return Site Selection and Sample Acquisition Study (1980)

The story of spaceflight told through missions and programs that did not happen - that is, the great majority of them.

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Jan Vacek @jv-honza.bsky.social · 11/09/2026

Mozaika z pravé kamery MastCam ze solu 5010 / 2026-09-09. Je to pohled zhruba jihovýchodním směrem do míst, kam Curiosity směřuje. Kredit: NASA/JPL-Caltech/MSSS/JV

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Jan Vacek @jv-honza.bsky.social · 11/09/2026

Včerejší trasa (2026-09-10 / sol 5011) byla dlouhá 58 m, trvala 68 minut a Curiosity vystoupala dalších 4,8 m. Do cíle dorazila ve 22:57 UTC / 14:30 LMST.

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Landru79 @landru79.bsky.social · 10/09/2026

#NASA's #Mars #Perseverance rover Front Left Hazard Avoidance Camera (Hazcam) Sol 1967-1975 mars.nasa.gov/mars2020/mul... NASA/JPL-Caltech/j. Roger

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Del - Martian Observer @martian-observer.net · 11/09/2026

Sherloc-Watson close-ups of the abrasion here bsky.app/profile/mart...

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Daniel Pomarède @pomarede.bsky.social · 11/09/2026

A 24-images mosaic capturing the Chocolatal sand ripple from afar. Images acquired by the Curiosity rover two days ago. #Mars Sept. 9, 2026 - Sol 5010 🔭🧪 Credits images: NASA/JPL-Caltech/MSSS/fredk

A mosaic of ochre toned images capturing a Martian landscape

A zoom on the a sand ripple perturbated by the rover's tracks

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Kevin M. Gill @kevinmgill.bsky.social · 11/09/2026

Photo of a bedrock exposure surrounded by sand and some light and dark toned granules. Taken by the Mars Curiosity Rover using MAHLI on Sol 5010 (yestersol) flic.kr/p/2sAdbou

A light brown bedrock exposure surrounded by sand and some light and dark toned granules.

NASA/JPL-Caltech/MSSS/Kevin M. Gill

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Del - Martian Observer @martian-observer.net · 11/09/2026

Mars Perseverance Rover Outside Jezero Crater Sol 1972 (6th September, 2026) Some eye-catching 'speckly' rocks at first glance and the closer you view them the more interesting they become Captured by Mastcam-Z (L) S/D: 91/806 CC BY-NC-SA 4.0 Credits: NASA/JPL-Caltech/ASU/MSSS/Martian-Observer

A general context view of the rocky dust covered terrain - there are many scattered lumps of 'speckled' rock in various states of partial erosion plus some dark rocks showing no speckles at all.

A very eroded example of a 'speckled' rock which is absolutely riddled with tiny holes and cavities.

A much larger example of 'speckly' rock that has had a circular abrasion ground into it. The dark colour is apparently remnants of a resilient purplish coating, the white rock underneath is highly reflective and looks mineral crystalline, like milky quartz.

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HiRISE Beautiful Mars (NASA) @uahirise.bsky.social · 10/09/2026

HiPOD: Changes of a Dune Field of Mars Our science goal for this observation is to observe any changes from a previous image we acquired in 2011. For this footprint, the target enlarged and centered more over the dune field. uahirise.org/hipod/ESP_077267_1360 #Mars #science #NASA

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Andrew Parsonson @andrewparsonson.bsky.social · 09/09/2026

Latest for SpaceNews: ESA is moving ahead with plans to establish a sovereign European capability to manufacture americium-241 radioisotope heater units for future exploration missions. spacenews.com/esa-opens-ca...

spacenews.com

ESA opens call for plant to produce radioisotope spacecraft heaters in Europe

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Stuart Atkinson @stuartatkinson.bsky.social · 09/09/2026

Loving this new view sent back from Mars by Curiosity... Image: NASA/JPL-Caltech/S Atkinson

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