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Thread: Mars 2020 Rover - "Perseverance"

  1. #271
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    Quote Originally Posted by selvaarchi View Post
    "NASA Just Dropped a Stunning New 360-Degree Video of Mars"

    https://www.popularmechanics.com/spa...video-of-mars/
    Cool imagery.

  2. #272
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    Not as much a video as a 360 image with a sound recording over it, but cool nonetheless.
    With sufficient thrust, water towers fly just fine.

  3. #273
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    "Mars helicopter begins to scout for Perseverance rover with longest flight"

    https://www.upi.com/Science_News/202...1781625584172/

    NASA's Mars helicopter Ingenuity has begun to scout missions for the Perseverance rover, completing its ninth and most challenging flight yet.

    NASA announced the "most challenging flight yet" was a success Monday via Twitter.
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  4. #274
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    So the tech demonstrator is now becoming useful as well! Cool!
    Cum catapultae proscriptae erunt tum soli proscript catapultas habebunt.

  5. #275
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    "Flight 9 was a nail-biter, but Ingenuity came through with flying colors"

    https://www.marsdaily.com/reports/Fl...olors_999.html

    It has been a week of heightened apprehension on the Mars Helicopter team as we prepared a major flight challenge for Ingenuity. We uplinked instructions for the flight, which occurred Monday, July 5 at 2:03 am PT, and waited nervously for results to arrive from Mars later that morning. The mood in the ground control room was jubilant when we learned that Ingenuity was alive and well after completing a journey spanning 2,051 feet (625 meters) of challenging terrain.
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  6. #276
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    "Perseverance rover begins hunt for signs of Martian life"

    https://www.marsdaily.com/reports/Pe..._life_999.html

    NASA's Mars 2020 Perseverance rover has begun its search for signs of ancient life on the Red Planet. Flexing its 7-foot (2-meter) mechanical arm, the rover is testing the sensitive detectors it carries, capturing their first science readings. Along with analyzing rocks using X-rays and ultraviolet light, the six-wheeled scientist will zoom in for closeups of tiny segments of rock surfaces that might show evidence of past microbial activity.
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  7. #277
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    Quote Originally Posted by selvaarchi View Post
    "Perseverance rover begins hunt for signs of Martian life"

    https://www.marsdaily.com/reports/Pe..._life_999.html
    While I'm enthusiastic about the mission I rather doubt that the mission will discover signs of life.

  8. #278
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    "NASA Perseverance Mars Rover to acquire first sample"

    https://www.marsdaily.com/reports/NA...ample_999.html

    NASA is making final preparations for its Perseverance Mars rover to collect its first-ever sample of Martian rock, which future planned missions will transport to Earth. The six-wheeled geologist is searching for a scientifically interesting target in a part of Jezero Crater called the "Cratered Floor Fractured Rough."
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  9. #279
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    Ingenuity may need its own thread soon. The mini-helicopter just completed its longest flight (#10) and flew for more than two minutes.

    NASA's Mars helicopter Ingenuity has flown its first mile on the Red Planet.

    The small chopper surpassed the 1-mile (1.6 km) mark of its total flight distance on Saturday (July 24) when soared over a rocky region called "Raised Ridges" at its Jezero Crater home. The sortie was the 10th and highest trip yet for Ingenuity, which arrived on Mars with NASA's Perseverance rover in February. Ingenuity's first flight occurred in April.

    "With the Mars Helicopter's flight success today, we crossed its 1-mile total distance flown to date," officials with NASA's Jet Propulsion Laboratory in Pasadena, California wrote in an Instagram update late Saturday. JPL is home to the mission control for Perseverance and Ingenuity.

  10. #280
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    "Perseverance rover drills into Mars for 1st time in milestone for sample collection" Please note - Editor's note: NASA announced on Friday afternoon (Aug. 6) that Perseverance failed to collect any Mars samples during this drilling attempt.

    https://www.space.com/perseverance-m...rst-drill-hole

    NASA's Perseverance rover has notched another milestone on Mars, drilling its first hole for sampling Red Planet rock.

    The drill hole marks just one step of a sampling process that will take about 11 days all told, according to previous NASA statements, which should mean that if all goes well, the full procedure will wrap up just in time for the rover to celebrate six months since it landed on Mars, on Feb. 18.
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  11. #281
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    "NASA's 1st attempt to collect Mars samples with Perseverance rover comes up empty"

    https://www.space.com/perseverance-r...-attempt-fails

    The Perseverance rover's first sample-snagging attempt didn't go according to plan.

    The car-sized Perseverance landed inside the Red Planet's Jezero Crater this past February with two main tasks: to hunt for signs of past Mars life and to collect and cache samples for future return to Earth.

    The NASA rover drilled its first sample-collecting hole on Friday (Aug. 6), a major milestone for the $2.7 billion mission. But data beamed back to Earth by Perseverance indicate that no Mars rock or dirt made it into the sampling tube, NASA officials announced on Friday afternoon.
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  12. #282
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    Quote Originally Posted by selvaarchi View Post
    "NASA's 1st attempt to collect Mars samples with Perseverance rover comes up empty"

    https://www.space.com/perseverance-r...-attempt-fails
    This provides an explanation and suggests next steps..

    Why NASA's Mars rover failed to collect it's first rock core

    Meanwhile Ingenuity is still going strong...

    Nasa's ingenuity Mars helicopter spots Perseverance-from-above

  13. #283
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    "NASA's Perseverance Rover obtains first rock core" = Congratulations NASA

    https://www.marsdaily.com/reports/NA..._core_999.html

    Data received late Sept. 1 from NASA's Perseverance rover indicate the team has achieved its goal of successfully coring a Mars rock. The initial images downlinked after the historic event show an intact sample present in the tube after coring.
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  14. #284
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    Quote Originally Posted by selvaarchi View Post
    "NASA's Perseverance Rover obtains first rock core" = Congratulations NASA

    https://www.marsdaily.com/reports/NA..._core_999.html
    Now we need only wait until the next Mars mission successfully lands to load the samples and send them back to Earth.

  15. #285
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    Quote Originally Posted by bknight View Post
    Now we need only wait until the next Mars mission successfully lands to load the samples and send them back to Earth.
    How much is Elon Musk going to charge NASA for that?

    You know what's cool? The "experimental" helicopter is actually proving to be useful to the overall mission!
    Cum catapultae proscriptae erunt tum soli proscript catapultas habebunt.

  16. #286
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    "Analysis of Mars surface samples highlight potential ancient water bubbles"

    https://www.nasaspaceflight.com/2021...water-bubbles/

    Following an unsuccessful sample collection attempt in early August, NASA’s Perseverance Mars rover has successfully drilled, collected, sealed, and stored two separate Martian surface samples. Both sample collections took place in the same week.

    Additionally, new data from the samples show that the rock collected is likely volcanic and may contain bubbles of ancient water.
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  17. #287
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    "Flying On Mars is getting harder and harder"

    https://www.marsdaily.com/reports/Fl...arder_999.html

    [QUOTE]In the months since we flew for the first time, we have learned a great deal about operating a helicopter on Mars. We have explored Ingenuity's strengths and limitations in detail, leveraging the former and working around the latter to operationalize it as a highly capable reconnaissance platform.

    With the benefit of the knowledge acquired, conducting flights on Mars has in most ways become easier than it was at the outset. But in one important way it is actually getting more difficult every day: I'm talking about the atmospheric density, which was already extremely low and is now dropping further due to seasonal variations on Mars.[QUOTE]
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  18. #288
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    "NASA's Perseverance rover cameras capture Mars like never before"

    https://www.marsdaily.com/reports/NA...efore_999.html

    Scientists tap into an array of imagers aboard the six-wheeled explorer to get a big picture of the Red Planet.

    NASA's Perseverance rover has been exploring Jezero Crater for more than 217 Earth days (211 Martian days, or sols), and the dusty rocks there are beginning to tell their story - about a volatile young Mars flowing with lava and water.

    That story, stretching billions of years into the past, is unfolding thanks in large part to the seven powerful science cameras aboard Perseverance. Able to home in on small features from great distances, take in vast sweeps of Martian landscape, and magnify tiny rock granules, these specialized cameras also help the rover team determine which rock samples offer the best chance to learn whether microscopic life ever existed on the Red Planet.
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  19. #289
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    Mars scientists now know where to look for life

    "We're definitely in the right place."

    There's an air of relief in the science team running the American space agency's (Nasa) Perseverance rover on Mars.

    The researchers are sure now they've sent the robot to a location that provides the best possible opportunity to find signs of ancient life....

    ...The analysis confirms the rover is sitting on the floor of a once great lake that was fed by a meandering river entering the deep bowl from the west. We're talking of events over 3.5 billion years ago when the Red Planet's climate was far more benign.

    From Perseverance's observations, it's now certain that where the river system met the lake water, the flows suddenly slowed and the sediment in suspension fell out to form a delta - the kind of wedge-shaped "landform" you'll see all over the Earth.

    It's in such an environment that micro-organisms could have thrived and their chemical traces been preserved.
    "People have said to me, 'So, what's new here? Didn't we know there was a delta in Jezero Crater?'. Well, actually, we didn't. We'd inferred from orbital imagery that Jezero contained a delta but until you get down on the ground, you can't be absolutely sure. We could have been looking at an alluvial fan," said Prof Sanjeev Gupta from Imperial College London, UK, who is co-lead author on the new Science paper...

    ...The Perseverance science team will send the rover to the base of the main delta formation to drill into what are expected to be fine-grained mudstones. They'll also target a ring of carbonate rocks around the edge of Jezero that likely represent the shores of the crater lake when it was at its deepest.

  20. #290
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    Quote Originally Posted by DavidLondon View Post
    "We're definitely in the right place."

    There's an air of relief in the science team running the American space agency's (Nasa) Perseverance rover on Mars.

    The researchers are sure now they've sent the robot to a location that provides the best possible opportunity to find signs of ancient life....

    ...The analysis confirms the rover is sitting on the floor of a once great lake that was fed by a meandering river entering the deep bowl from the west. We're talking of events over 3.5 billion years ago when the Red Planet's climate was far more benign.

    From Perseverance's observations, it's now certain that where the river system met the lake water, the flows suddenly slowed and the sediment in suspension fell out to form a delta - the kind of wedge-shaped "landform" you'll see all over the Earth.

    It's in such an environment that micro-organisms could have thrived and their chemical traces been preserved.
    "People have said to me, 'So, what's new here? Didn't we know there was a delta in Jezero Crater?'. Well, actually, we didn't. We'd inferred from orbital imagery that Jezero contained a delta but until you get down on the ground, you can't be absolutely sure. We could have been looking at an alluvial fan," said Prof Sanjeev Gupta from Imperial College London, UK, who is co-lead author on the new Science paper...

    ...The Perseverance science team will send the rover to the base of the main delta formation to drill into what are expected to be fine-grained mudstones. They'll also target a ring of carbonate rocks around the edge of Jezero that likely represent the shores of the crater lake when it was at its deepest.
    I do believe that the rover has captured site that resemble river delta flows and I have posted those thoughts IIRC in this thread.
    However I have thinking about this concept LITTLE MORE IN DEPTH.
    The river that probably flowed leaving its mark on the surface began to fill the crater and assuming it was not a short time the crater would fill ND NEEDS relief flow out the lowest relief of the crater. I see no evidence in the images from orbit that there is a relief feature. Where did the water go? Was there a condition that the water evaporated as fast as it was flowing, doubtful at best. So the features were caused by flowing water at least resembling the rivers on Earth maybe flowed at a torrid rate for just a short time causing the features observed from orbit and on the surface and then stopped rather like a dam breaking? Very curious to me at least.

  21. #291
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    ...The Perseverance science team will send the rover to the base of the main delta formation to drill into what are expected to be fine-grained mudstones. They'll also target a ring of carbonate rocks around the edge of Jezero that likely represent the shores of the crater lake when it was at its deepest.
    I just misread "mudstones" as "mushrooms".
    Cum catapultae proscriptae erunt tum soli proscript catapultas habebunt.

  22. #292
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    Quote Originally Posted by Trebuchet View Post
    ...The Perseverance science team will send the rover to the base of the main delta formation to drill into what are expected to be fine-grained mudstones. They'll also target a ring of carbonate rocks around the edge of Jezero that likely represent the shores of the crater lake when it was at its deepest.
    I just misread "mudstones" as "mushrooms".
    Time for an eye exam or was it something else?

  23. #293
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    Quote Originally Posted by bknight View Post
    I see no evidence in the images from orbit that there is a relief feature. Where did the water go?
    The basis for the article is a paper in Science magazine which may have the answer.

    Perseverance rover reveals an ancient delta-lake system and flood deposits at Jezero crater, Mars

    There is mention of a breaching valley dissecting the eastern rim of the crater. And the map points to an overflow valley. Does this explain it?

  24. #294
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    Quote Originally Posted by DavidLondon View Post
    The basis for the article is a paper in Science magazine which may have the answer.

    Perseverance rover reveals an ancient delta-lake system and flood deposits at Jezero crater, Mars

    There is mention of a breaching valley dissecting the eastern rim of the crater. And the map points to an overflow valley. Does this explain it?
    The article states
    Thus, Jezero lake was closed (no outlet river) at the time of the delta progradation at Kodiak, which is a hydrological system conducive to short-term fluctuations in the lake level. Nevertheless, the overall stratigraphy indicates progradation of the western delta system and long-term lake level regression.
    So no, that didn't provide an exit for the inflow. The paper suggests intermittent flow rates and that may be the answer.

    ETA Thanks for the link.
    Last edited by bknight; 2021-Oct-10 at 12:26 AM. Reason: Thanks for the link.

  25. #295
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    Duplicate post.
    Last edited by bknight; 2021-Oct-10 at 12:12 AM.

  26. #296
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    "Ingenuity Mars Helicopter Flight 14 Successful"

    https://www.marsdaily.com/reports/In...ssful_999.html

    The successful 14th flight of NASA's Ingenuity Mars Helicopter took place shortly after 1:18 a.m. PDT Oct. 24 at Jezero Crater. As planned, the helicopter executed its first 2,700 rpm flight, proving that Ingenuity is capable of flying in the weeks and months ahead on Mars, during which seasonal changes on the surface will result in decreases in air density.

    The short 23-second flight included a peak altitude of 16 feet (5 meters) above ground level, with a small sideways translation of 7 feet (2 meters) to avoid a nearby sand ripple. This was also the first time Ingenuity recorded black-and-white navigation camera images at the high-rate of about seven frames a second.
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  27. #297
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    "Mars helicopter flies again; encounters radio interference on 17th flight"

    https://www.upi.com/Science_News/202...1921638974500/

    NASA's Mars helicopter Ingenuity flew successfully for its 17th time on the Red Planet, but encountered brief radio interference because of the hills between the aircraft and the Perseverance rover, the space agency reported.

    "As Ingenuity began to descend, the line of sight between the rover and helicopter antennas [became] obstructed/shadowed" by the hilly terrain, Teddy Tzanetos, the Mars program lead, wrote in a blog post Tuesday evening.
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