Space

Crossposted by u/SpaceInstructorlinkage

Cavern below?

HiRISE 🛰

r/SpaceBrainslinkage

Mars has hidden depths hinted at by intriguing pits scattered around the planet. Some of these tantalizing windows may be entrances to underground caverns. If humans ever make it to Mars, they may want to consider hunkering down underground to protect themselves from space radiation.

This image from NASA’s Mars Reconnaissance Orbiter (MRO) in 2011 shows a hole on the slopes of the Pavonis Mons volcano. “Why there is a circular crater surrounding this hole remains a topic of speculation, as is the full extent of the underlying cavern,” NASA said in an image feature in 2020.

Source Article. I’ve teamed up with a few aerospace engineers friends on r/SpaceBrains to design a crowdsourced Mars colony. Check out our progress on discord and share your skills.

This photo is stunning and fires up the imagination to excellent levels. A favorite since it was new.

 

Posted by u/paulhammond5155, Top contributor
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Paradise for rock hunters (Sol 139)

Mars Perseverance Sol 139: Left Mastcam-Z Camera

  • NASA’s Mars Perseverance rover acquired this image using its Left Mastcam-Z camera at full zoom (110mm)
  • Mastcam-Z is a pair of cameras located high on the rover’s mast.
  • This is a square crop from a single image, the colours have been stretched to highlight the terrain
  • This image was acquired on July 11, 2021 (Sol 139) at the local mean solar time of 12:56:58.
  • Image Credit: NASA/JPL-Caltech/ASU/MSSS
  • Source image: link

 

Posted by u/paulhammond5155, Top Contributor
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Simulated rover climbing the foothills of Mount Sharp provides scale. Sol 3167-ML photomosaic with extended sky by Seán Doran.

Find the full size version on this link to Seán’s Flickr page: www.flickr.com/photos/seandoran/51314268954/

Credit: NASA/JPL-Caltech/MSSS/Seán Doran

 

 

Posted by u/paulhammond5155, Top contributor
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A picturesque collection of rocks from sol 136 (Image 2 is the scene in 3D)

 

Posted by u/htmanelski, m o d
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“Mysterious Light-Toned Deposit in Vinogradov Crater”

This image of Vinogradov (20.981°S, 323.137°E), a heavily eroded 220 km diameter crater in Margaritifer Terra, was taken by HiRISE on July 1st, 2014. You can see many strange light-toned blobs, some of which appear circular and probably outline small craters. Scientists think this could have formed from the ejecta of a nearby crater, but the details of its origins are still unknown.

The width of this image is about 1 km.

Credit: NASA/JPL/University of Arizona

Geohack link: geohack.toolforge.org/geohack.php?pagename=Feature&params=20.981_S_323.137_E_globe:mars_type:landmark

 

Juno Flies Past the Moon Ganymede and Jupiter, With Music by Vangelis

NASA
Jul 14, 2021

On June 7, 2021, NASA’s Juno spacecraft flew closer to Jupiter’s ice-encrusted moon Ganymede than any spacecraft in more than two decades. Less than a day later, Juno made its 34th flyby of Jupiter. This animation provides a “starship captain” point of view of each flyby. For both worlds, JunoCam images were orthographically projected onto a digital sphere and used to create the flyby animation. Synthetic frames were added to provide views of approach and departure for both Ganymede and Jupiter.

Visit www.nasa.gov/juno & missionjuno.swri.edu to learn more.
Animation: Koji Kuramura, Gerald Eichstädt, Mike Stetson
Music: Vangelis
Producer: Scott J. Bolton
Credit: NASA/JPL-Caltech/SwRI/MSSS

Looks a lot more liquid than what we see in more rocky worlds.

 

 

 

 

Posted by u/paulhammond5155, Top contributor
link

Ginny Reveals Intriguing Terrain for Rover Team: 4 – JPL processed RTE images and a location map. Link in comments to JPL release.

JPL Feature release : link

 

Posted by u/paulhammond5155, Top contributor
link

Long shadows on sol 134

Perseverance rover acquired this image using its Right Mastcam-Z camera.

  • Mastcam-Z is a pair of cameras located high on the rover’s mast.

  • This image was acquired on July 6, 2021 (Sol 134) at the local mean solar time of 16:32:03.

  • Image Credit: NASA/JPL-Caltech/ASU/MSSS

  • Unprocessed raw image: link

Alternative versions posted on UMSF by Franz Tauber:-

  • Stretched colour version: link

  • 3D anaglyph: link (You’ll need red/cyan glasses to view it in 3D)

  • Image Credit: NASA/JPL-Caltech/ASU/F.Tauber

 

Posted by u/azzkicker7283
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Asteroid Juno Passing in front of M10

Needed something to shoot while waiting for the summer targets to rise, and I saw in stellarium that the ~250km asteroid Juno was going to pass in front of the M10 globular cluster. Each night had different seeing, clouds, and moon conditions, which is why the frames vary a bit in brightness and sharpness (also had a couple satellites fly through causing the streaks). Also photographed M10 in color back in 2019. Captured on June 16, 17, and 18th, 2021 from a Bortle 6 zone.

Places where I host my other images:

Instagram | Flickr


Equipment:

  • TPO 6″ F/4 Imaging Newtonian

  • Orion Sirius EQ-G

  • ZWO ASI1600MM-Pro

  • Skywatcher Quattro Coma Corrector

  • ZWO EFW 8×1.25″/31mm

  • Astronomik LRGB+CLS Filters- 31mm

  • Astrodon 31mm Ha 5nm, Oiii 3nm, Sii 5nm

  • Agena 50mm Deluxe Straight-Through Guide Scope

  • ZWO ASI-120MC for guiding

  • Moonlite Autofocuser

Acquisition: 2 hours 12 minutes (Camera at Unity Gain, -15°C)

  • Lum – 22×120″ per night

Calibration frames:

  • Darks- 30

  • Flats- 30 per filter

Capture Software:

  • Captured using N.I.N.A. and PHD2 for guiding and dithering.

PixInsight Processing: (processes batch applied via image containers)

  • BatchPreProcessing

  • StarAlignment

  • DynamicCrop

  • AutomaticBackgroundExtraction

  • Blink to stretch nonlinear

  • Annotation to add date and watermark

  • BatchFormatConversion .xisf to .png

  • PIPP to make final gif

 

Posted by u/paulhammond5155, Top contributor
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Jezero is not short of interesting rocks (sol 134)

It could be a basaltic lava with aeolian flutes at the sites its of ‘vesicles’ (voids created by degassing when it cooled). Or it could be a meteorite, or even an altered sedimentary rock (less likely)

I’m sure there are many rock hounds out there that will have much more knowledge than my amateur ramblings, so let’s see if any chip in on this post.

The team at JPL subjected this target to a full suite of images taken with both mast Camera-Z using all the filters, so they appear to be as curious as we are as to its mineralogy 🙂

BTW: I hope it’s a meteorite 🙂

 

Posted by u/HolgerIsenberg
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Bright Surprise at the Horizon: Sol 130 dust event over whole mountain range

It’s barely visible, but the whole mountain range at the horizon brightened for about 30 seconds.

Real time between frames was 15 seconds, taken near local noon. The horizontal field of view is 23°, full width of the WATSON camera, distance to the mountain range with the brightening effect is in my estimation about 3km which means the image spans about 1km there.

On the right you see 2 normal size dust devil in the last frame.

Animated GIF for download and URL for sharing:areo.info/mars20/files/Sol130_BrightSurprise_animtext.gif

Individual frames:
areo.info/mars20/ecams/0130
or:
areo.info/mars20/files/Sol130_BrightSurprise_01.png
areo.info/mars20/files/Sol130_BrightSurprise_02.png
areo.info/mars20/files/Sol130_BrightSurprise_03.png
areo.info/mars20/files/Sol130_BrightSurprise_04.png

Another dust event was seen on Sol 117, much larger: www.reddit.com/r/PerseveranceRover/comments/o630df/uncommon_storm_on_sol_117_images

Youtube, repeating the 4-frame sequence 10 times: www.youtube.com/watch?v=feWh5xp-7Z0

Animation from a paper about wind predictions at landing site over the local day: www.youtube.com/watch?v=8nRYScG3d6w

Paper: link.springer.com/article/10.1007/s11214-020-00788-2

 

 

 

Posted by u/paulhammond5155, Top contributor – linkage

Sol 129: A SuperCam target, its Navcam context image and a 3D red/cyan Navcam anaglyph

koshgeo

Very nice. You can clearly see the coarse/thick layering that seems to be typical of the rocks of the plateau on which Perseverance has been driving. It’s usually subtly expressed, but is pretty obvious here. This is at the edge of the gently dipping beds of the plateau before they drop down into the lower terrain of Seitah to the south.

I wish I knew what these rocks were. I’m surprised we’re more than 100 Sols into this and still don’t know.

paulhammond5155, Top contributor

Agreed, hopefully they’ll share some of what they’ve established soon

 

 

 

 

 

Posted by u/paulhammond5155, Top Contributor
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Don’t forget to wear boots when visiting this area (Sol 3163)

 

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Top contributor

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Rock climbing on Mars/ Testing wheel traction?: During Sol 128 Percy reversed back over a large rock that it drove over at the end of the sol 127 drive.

Supporting Images:-

  • Sol 127 Hazcam (records the position at the end of the drive on sol 127: link
  • Sol 128 Navcam (end of drive, after reversing over the rock): link
  • Sol 128 HazCam (end of drive, after reversing over the rock): link

Credit: NASA/JPL-Caltech

 

Posted by u/htmanelski, m o d
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“Troughs and Scarps in Planum Australe”

This image of the south polar layered deposits (SPLD) was taken by HiRISE on April 30th, 2009 (72.800° S, 134.871° E). Similar to outcrops in Greenland and Antarctica on Earth, it is believed that the climate record of Mars can be deciphered by looking at the layers in this region. The cause of the texture in this image is still uncertain, but it likely originates from long ago when temperatures were higher and the ice flowed much faster.

The width of this image is about 1 km.

Credit: NASA/JPL/University of Arizona

Geohack link: geohack.toolforge.org/geohack.php?pagename=Feature&params=72.800_S_134.871_E_globe:mars_type:landmark

 

Posted by u/paulhammond5155, Top contributor
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Looking across Seitah with Mastcam-Z by Kevin Gill. Link to full resolution version (6144×2291px)in comments

Sol 127 – Mastcam-Z at full zoom

This mosaic was assembled by Kevin Gill and shared on his Flickr page.

Credit: NASA/JPL-Caltech/ASU/Kevin M. Gill

Full res version (6K = 6144×2291 px) www.flickr.com/photos/kevinmgill/51280440485/sizes/6k/

Kevin’s Flickr page : www.flickr.com/photos/kevinmgill/

EDIT: I forgot to add the link:

 

Posted by u/paulhammond5155, Top contributor
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Find the helicopter! Much easier this time (Sol 126). In other news the raw image server has >100,000 images!

Mars Perseverance Sol 126: Right Navigation Camera (Navcam)

  • I’ll post the answer if anyone has issues locating Ginny 🙂
  • NASA’s Mars Perseverance rover acquired this image using its onboard Right Navigation Camera (Navcam).
  • The camera is located high on the rover’s mast and aids in driving.
  • This image was acquired on June 28, 2021 (Sol 126) at the local mean solar time of 14:52:34.
  • Image Credit: NASA/JPL-Caltech
  • Raw image (unprocessed) link

 

Posted by u/paulhammond5155, Top contributor
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Ginny back in view at ‘Airfield E’. Spotted by Percy on Sol 124, roughly 95 meters Southwest of the rover (312 ft)

Mars Perseverance Sol 124: Right Navigation Camera (Navcam)

NASA’s Mars Perseverance rover acquired this image using its onboard Right Navigation Camera (Navcam).
The camera is located high on the rover’s mast and aids in driving.

This image was acquired on June 26, 2021 (Sol 124) at the local mean solar time of 14:16:43.

Image Credit: NASA/JPL-Caltech

Raw image (unprocessed) link

 

Posted by u/htmanelski, m o d
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“South Polar Cap, Summer 2000”

This image of the Martian south pole (83.9°S 160.0°E) was taken by the Mars Global Surveyor (MGS) spacecraft on April 17th, 2000. It was southern summer and the south pole was now at its smallest extent. In southern winter the south pole would easily fill the entire width of this image, but in summer it shrinks to only about 420 km across.

Credit: NASA/JPL/MSSS

Geohack link: geohack.toolforge.org/geohack.php?pagename=Planum_Australe&params=83.9_S_160_E_globe:Mars

 

IC 2944 Nebula

Posted by u/mrdeepsky01
linkage

We captured IC 2944 Nebula for 50hrs and it delivered interesting results! (OC)

My websitewww.utkarshmishraastrophotography.com/post/messier-104-sombrero-galaxy-ultradeep-imaging
My instagramwww.instagram.com/mr_deepsky/
IC 2944, also known as the Running Chicken Nebula or the λ Centauri Nebula, is an open cluster with an associated emission nebula found in the constellation Centaurus, near the star λ Centauri. It features Bok globules, which are frequently a site of active star formation. However, no evidence for star formation has been found in any of the globules in IC 2944
Image Credit Copyright : Utkarsh Mishra and Franck Jobard
12.5″ f/9 Quasar Ritchey Chretien
SBIG STL11000
Losmandy Titan
Frames:
Ha: 80×600″
Lum: 43×600″
OIII: 73×600″
RGB: 99×600″
Total exposure: 49h 10’Pixinsight and Photoshop

Oh, wow!

And oh, wow, a 12.5″ Quasar! My dream scope!

 

Posted by u/paulhammond5155, Top contributor
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Looks like the hazard avoidance software is working perfectly. Note the large rock next to the rover tracks imaged on Sol 123. Each wheel is ~50 cm or 19.6 inches wide.

Mars Perseverance Sol 123: Right Mastcam-Z Camera

NASA’s Mars Perseverance rover acquired this image using its Right Mastcam-Z camera.
Mastcam-Z is a pair of cameras located high on the rover’s mast.

This image was acquired on June 25, 2021 (Sol 123) at the local mean solar time of 12:54:07.

Image Credit: NASA/JPL-Caltech/ASU/MSSS

Raw image (unprocessed) link

 

Photo by mustalainen
linkage

Solarmax 90mm, ZWO174, 1000 frames top 50%, Autostakker, IMPPG, photoshop, colors inverted

 

Posted by u/paulhammond5155, Top contributor
linkage

Percy drives again on Friday June 25, 2021 (sol 123). This image is from site 4/1644. The drive data will be added in the comments ASAP.

Mars Perseverance Sol 123: Right Navigation Camera (Navcam)

  • NASA’s Mars Perseverance rover acquired this down-sampled image using its onboard Right Navigation Camera (Navcam).

  • The camera is located high on the rover’s mast and aids in driving.

  • This image was acquired on Friday June 25, 2021 (Sol 123) at the local mean solar time of 15:55:08.

  • Image processed in PhotoScape.

  • Image Credit: NASA/JPL-Caltech

Raw image: link

 

Posted by u/htmanelski, m o d
linkage

“Panorama with Active Linear Dune”

This section of a panorama of the Bagnold Dunes (5.4°S, 137.8°E) is comprised of 115 images taken by the Curiosity Rover’s Mastcam on March 24th and 25th, 2017. You can see a dark sand dune as well as the Murray Bedrock in the foreground. On the right side you can see a vein of what is likely a variety calcium sulfate (either anhydrite, gypsum, or bassanite). The center is towards Mount Sharp, south east of the rover’s location.

The width of this image is about 1 km.

Credit: NASA/JPL-Caltech/MSSS

Geohack link: geohack.toolforge.org/geohack.php?pagename=Gale_(crater)&params=5.4_S_137.8_E_globe:Mars_type:landmark

 

 

HiPOD 24 Jun 2021: Ejecta to the Southwest of Hargraves Crater

In this richly textured image, our goal is to look for stratigraphic relationships, melt-rich ejecta, and fragmental ejecta breccia (rock composed of sharp fragments). In Context Camera images and night/day infrared, the contrast suggests the presence of impact melt-rich deposits and bedrock.

Black and white is less than 5 km across; enhanced color is less than 1 km.

ID: ESP_063875_2000 date: 12 March 2020 altitude: 279 km

NASA/JPL/UArizona

Source: uahirise.org

 

Posted by u/HolgerIsenberg

direct link to post

Uncommon storm on Sol 117. Images: https://areo.info/mars20/ecams/0117

I see, now it works and plays directly as animation in the posting.

Individual frames: areo.info/mars20/ecams/0117

This is huge! If it really hits and raises up the slopes in the far distance: Those are 5km away. Check yourselves on www.perseverancerover.spatialstudieslab.org

Also available as youtube 30 seconds video: www.youtube.com/watch?v=lzBWJGeclVw

Holger Isenberg
Jun 22, 2021

The replay is speed up by a factor of 15. The individual images were taken by the camera 15 seconds apart. Sol 117 images: areo.info/mars20/ecams/0117

alternative links with animation for sharing: twitter.com/areoinfo/status/1407509094064279554 or www.facebook.com/holger.isenberg/posts/10215512378362328 or www.youtube.com/watch?v=lzBWJGeclVw

Files for sharing with author name:

areo.info/mars20/files/NLF_0117_storm_text.gif
areo.info/mars20/files/NLF_0117_storm_text.mp4

Looks mighty energetic over there!

 

Posted by u/paulhammond5155, Top contributor

Slab Survey (full zoom) on June 20, 2021 (Sol 119)

Bayer-reconstructed MastCam-Z frame from a large series that should form a mosaic once all are downlinked from the Rover

  • De-Bayered in GIMP

  • Perseverance rover acquired this image using its Left Mastcam-Z camera.

  • Mastcam-Z is a pair of cameras located high on the rover’s mast.

  • This image was acquired on Jun. 20, 2021 (Sol 119) at the local mean solar time of 10:46:46.

  • Image Credit: NASA’s Mars Perseverance rover acquired this image using its Left Mastcam-Z camera. Mastcam-Z is a pair of cameras located high on the rover’s mast.

  • This image was acquired on Jun. 20, 2021 (Sol 119) at the local mean solar time of 10:46:46.

  • Image Credit: NASA/JPL-Caltech/ASU

  • Source image (Bayer encoded) Link

 

u/mustalainen

Solar eclipse

taken with a solarmax 90mm and ZWO174 astro camera. about 1000 frames, top 30% frames stacked

azzkicker7283
Best Lunar 2017 | Lefty Curve Creator

Was any post-processing done to this?

mustalainen

Yes, quite a bit, firstly the actual picture only captures about 0.012% of the visual light (Ha wavelength) so there is no color. Secondly it is a mosaic of the sharpest part of the 300 sharpest frames. then you sharpen that further and bring out contrasts using a special program. When that is done you bring out the colors using photoshop.

 

Posted by u/htmanelski

A Dust Devil on Mars

This image of a dust devil in Amazonis Planitia (35.824° N 207.485° E, a few hundred km east of SpaceX’s proposed Mars landing sites) was taken on February 16th, 2012 by HiRISE. Amazonis Planitia is a large flat region in the northern lowlands which give rise for relatively high wind speeds during some parts of the year. Dr. Paul Geissler wrote about this image: “The delicate arc in the plume was produced by a westerly breeze at about a 250-meter height that blew the top of the plume towards the east. The westerly winds and the draw of warmth to the south combine to guide dust devils along southeast trending paths, as indicated by the tracks of many previous dust-devils.”

Everyday I post an image like this in r/Areology, check out that subreddit if you like this kind of stuff!

The width of this image is about 1km and the diameter of the dust devil is about 30 meters.

Credit: NASA/JPL/University of Arizona

Geohack link: geohack.toolforge.org/geohack.php?pagename=Feature&params=35.824_N_207.485_E_globe:mars_type:landmark

 

Posted by u/Bernard_Hunor_Deak

NASA’s Viking 1 probe arrived at Mars on this day in 1976. One month later, the lander portion of the spacecraft touched down on the Martian surface. And Carl Sagan was there, at least in spirit.

A glorious day!

 

Photo by u/Zerotwo_is_wife

Jupiter with Callisto and Ganymede WITH ITS SHADOW

As requested on my other post people wanted to see a unedited one so here it is!!

Any feedback is welcome I used my Orion sky quest 8in Dobsonian Telescopes with a 10mm and 2x Barlow

My camera is a Sony a5000

So first I took a 0:24 second video

Then I put it into the program called PIPP that turned it into a AVI file

Then I took the AVI file in AutoStakkert and had it stack it altogether

Then did some fine tuning in registacks

Thank you!!

Nicolarge

Nice capture.

If you have capture it at the time and date indicated on the image, then the moon on the lower left corner is not Callisto but Io.

x

x

Charles W. Shults III

18m

Don’t forget the seashells from Spirit on sol 913. Here are two of them in stereo. First is claimed to be a “volcanic gas bubble” (vesicle). The second… crickets. NASA is unable or unwilling to say. Remember, I have been fighting this stupidity for over 17 years now. At some point, they will yield.

Here is the second shell, something identical to a whelk. Enjoy.

Awesome.

 

Charles W. Shults III

June 15

Here is a perfect example of recent water activity on Mars. The color image shows the area, the anaglyph shows it in 3D. The small “tide pool” to the right is a new formation. How do we know? Because we see how rapid the erosion on Mars is by comparing day-to-day pictures. This formation is made by a liquid (wonder which one?) and had to be formed within a few days to possibly a couple of weeks. Wind cannot make this formation; only the retreat of a liquid. Not waffling here, this is made by water. Opportunity, sol 50.

And here is the 3D view, use your red/blue glasses and see something amazing.

Fantastic!

 

Charles W. Shults III

4m

Another interesting “rock”. Sol 1539, what appears to be a crinoid segment. Opportunity rover.

My buddy Charles rocks Mars research!

 

 

Posted by u/paulhammond5155, Top contributor

Ginny will attempt its 8th flight no earlier than June 21. The plan calls for a flight of ~160 meters (525 feet) south to another new landing site as it continues to travel alongside Perseverance Rover.

Source https://twitter.com/NASAJPL/status/1405925115343245317

 

Posted by u/htmanelski, m o d

“Continual Dune and Ripple Migration in Nili Patera”

This image of sand dunes in Nili Patera (8.722° N, 67.345° E), a region not far from where Perseverance is exploring in Isidis Planitia, was taken by HiRISE on August 31st, 2012. Nili Patera is a vast dune field that has been constantly monitored from orbit to measure the rate of change in its shifting sands. In my opinion Nili Patera has some of the most beautiful landscapes on Mars; I can’t wait to see pictures of it taken in-situ one day.

The width of this image is about 1 km.

Credit: NASA/JPL/University of Arizona

Geohack link:geohack.toolforge.org/geohack.php?pagename=Feature&params=8.722_N_67.345_E_globe:mars_type:landmark

 

Posted by u/paulhammond5155, Top contributor

Drive on Sol 116! Ginny is still in the rear-view mirror.

Credit NASA/JPL-Caltech/ASU

 

Posted by u/SpaceInstructor

Percy took a nice picture on sol 105!

Structure at back looks like a Mesa, and it is also showing stratification but there are more geology features within that Mesa like cross stratification if I am not wrong because it’s not very clear. More than that surface have many pieces of meteorites I guess due to the reflection of light they indicating its origin may be Iron meteorites or stony-iron meteorites. But at last, Mars is full of geology🥰

r/SpaceBrains is a community focused on aerospace projects developed by volunteering students and engineers.
Join us on discord.

 

Posted by u/htmanelski, m o d

Ingenuity spots Perseverance’s Tracks

This image of Perseverance’s Tracks from 5 meters above the surface was taken by the Ingenuity helicopter on April 25th, 2021 (18.38°N, 77.58°E). This was the Ingenuity helicopter’s third flight.

Geohack link: geohack.toolforge.org/geohack.php?pagename=Jezero_(crater)&params=18.38_N_77.58_E_globe:mars_type:landmark

Credit: NASA/JPL-Caltech

 

Posted by u/paulhammond5155, Top contributor

Ginny recharging her batteries on sol 114

Mastcam mosaic of two frames from sol 114.

Assembled in MS-ICE, processed in PhotoScape

Raw images

Credit NASA/JPL-Caltech/ASU/MSSS

 

Posted by u/paulhammond5155, Top contributor

“Ingenuity will now tag along as Perseverance begins to roll south from its landing site. The helicopter will probably make additional flights every two weeks or so from now until the end of August, when operations are expected to draw to a close” Source ‘Nature’ June 16, 2021

Source report… LINK

Copied Text….

Ingenuity will now tag along as Perseverance begins to roll south from its landing site. The helicopter will probably make additional flights every two weeks or so from now until the end of August, when operations are expected to draw to a close.

 

View of the Delta in Jezero Crater

Posted by u/htmanelski, m o d

“Perseverance View of the Delta in Jezero Crater”

This image of a mesa was taken by the Perseverance Rover’s Mastcam-Z on February 22nd, 2021 (18.38°N, 77.58°E). The image colors are designed to mimic “natural conditions”, i.e. what it would look like to human eyes. This mesa is an interesting feature near Perseverance’s landing location. It has been relatively unaffected by erosion compared to the surronding terrain, and can therefore be used to better understand the landscape prior to aeolian and water erosion. Rising in the background is the ancient river delta where liquid water once flowed into Jezero Crater.

Geohack link: geohack.toolforge.org/geohack.php?pagename=Jezero_(crater)&params=18.38_N_77.58_E_globe:mars_type:landmark

Credit: NASA/JPL-Caltech/ASU/MSSS