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Thread: Mars Insight Lander

  1. #151
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    "A Year of Surprising Science From NASA's InSight Mars Mission"

    https://www.jpl.nasa.gov/news/news.php?feature=7605

    A new understanding of Mars is beginning to emerge, thanks to the first year of NASA's InSight lander mission. Findings described in a set of six papers published today reveal a planet alive with quakes, dust devils and strange magnetic pulses.

    Five of the papers were published in Nature. An additional paper in Nature Geoscience details the InSight spacecraft's landing site, a shallow crater nicknamed "Homestead hollow" in a region called Elysium Planitia.

    InSight is the first mission dedicated to looking deep beneath the Martian surface. Among its science tools are a seismometer for detecting quakes, sensors for gauging wind and air pressure, a magnetometer, and a heat flow probe designed to take the planet's temperature.
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  2. #152
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    NASA's InSight lander is revealing Mars to be far more shaky than we thought


  3. #153
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    Quote Originally Posted by Edward Heisler View Post
    Edward Heisler

    First, welcome to CQ.

    Second, just so you know, it is considered good form around here to include a little more info about a link that just the post/thread title. In this particular example, it might have been better just to link the original Business Insider article and quote some small section from it.

    Thanks,
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  4. 2020-Feb-27, 06:29 PM

  5. #154
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    There's a BBC Science article addressing it. There seems to be a higher incidence of "marsquakes" than anticipated, as detected by InSight's seismometer.

    https://www.bbc.com/news/science-environment-51616830

    Also, the magnetic field at InSight's location is up to 10x stronger than expected from models generated from orbital data:

    https://www.sciencedaily.com/release...0224111342.htm


    Perhaps merge this into the existing InSight thread?

    CJSF
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  6. #155
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    "NASA's Mole Finally Burrows Its Way Into Mars"

    https://www.popularmechanics.com/spa...le-probe-mars/

    One instrument, though, has had a difficult time breaking through the surface. The lander's temperature-sensing "mole," as it's known, was designed to take thermal readings just below Mars's surface, but it has struggled to stay inserted in the ground. It keeps pushing out.

    The German Aerospace Center (DLR), which is in charge of operating the instrument, has been toiling away at a solution. For months, the DLR team has been pushing down on the thin probe with the back of the lander's scoop. Finally, after spending more than a year of tinkering with the troublesome instrument, DLR has inserted the mole.
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  7. #156
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    Quote Originally Posted by selvaarchi View Post
    "NASA's Mole Finally Burrows Its Way Into Mars"

    https://www.popularmechanics.com/spa...le-probe-mars/
    Perseverance.

  8. #157
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    Quote Originally Posted by selvaarchi View Post
    "NASA's Mole Finally Burrows Its Way Into Mars"

    https://www.popularmechanics.com/spa...le-probe-mars/
    The American Chemical Society mole congratulates the NASA mole
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  9. #158
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    Quote Originally Posted by selvaarchi View Post
    "NASA's Mole Finally Burrows Its Way Into Mars"

    https://www.popularmechanics.com/spa...le-probe-mars/
    It took 6.02x10^23 attempts.
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  10. #159
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    Hopefully, it can continue on its own accord. Otherwise, this may be as deep as it gets.


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  11. #160
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    Mars Insight Lander

    If the mole is committed to that angle then I don’t see how it will reach the planned depth, although it can likely still take readings. Just not as deep.

    Truly, an exercise in patience.

  12. #161
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    "'Marsquakes' measured by InSight show effects of sun and wind"

    https://www.marsdaily.com/reports/Mi..._wind_999.html

    Compared with our own planet Earth, Mars might seem like a "dead" planet, but even there, the wind blows and the ground moves. On Earth, we study the ambient seismic noise rippling mainly due to ocean activity to peek underground at the structure of the Earth's interior. Can we do the same on Mars without ocean?

    According to a new study by researchers at Kyushu University's International Institute for Carbon-Neutral Energy Research, we're closer than ever to achieving this goal.
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  13. #162
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    "NASA engineers checking InSight's weather sensors"

    https://www.spacedaily.com/reports/N...nsors_999.html

    Weather sensors aboard NASA's InSight Mars lander stopped providing data on Sunday, Aug. 16, 2020, a result of an issue affecting the sensor suite's electronics. Engineers at NASA's Jet Propulsion Laboratory in Southern California are working to understand the cause of the issue.
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  14. #163
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    "Mars lander InSight picks up tiny ground tilt caused by Phobos moon transit"

    https://www.space.com/mars-lander-in...-eclipses.html

    NASA's InSight Mars lander can detect a nearly imperceptible tilt caused by the planet's moon Phobos passing in front of the sun, scientists have realized.

    And the measurements may help scientists pin down a number of eclectic facts about Mars and Phobos, particularly if InSight remains at work beyond its two-year primary mission, which runs out this fall. The new research is just the sort of science that wasn't on InSight's agenda but is an unexpected bonus discovered in the data.

    "It's a completely lucky observation," Simon Stähler, lead author on the new research and a seismologist at ETH Zürich in Switzerland, told Space.com. "It could have been planned before, but we never did. But now we found it."
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  15. #164
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    Quote Originally Posted by selvaarchi View Post
    "Mars lander InSight picks up tiny ground tilt caused by Phobos moon transit"

    https://www.space.com/mars-lander-in...-eclipses.html
    I was unclear why it had to be passing in front of the sun to have an effect - surely the imperceptible tilt is there whenever Phobos passes near enough overhead? But they are actually talking about a "tilt"
    imparted by a change in the light - the number of photons hitting the spacecraft (and surface of Mars)! Very interesting article, selvaarchi!

    CJSF
    "I like the stories
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  16. #165
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    I'm seeing reports that the lander's weather station isn't working, but I'm not sure about the sources. Anyone got something authoritative?
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  17. #166
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    Quote Originally Posted by Trebuchet View Post
    I'm seeing reports that the lander's weather station isn't working, but I'm not sure about the sources. Anyone got something authoritative?
    see post #162
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  18. #167
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    Thanks, missed that!
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  19. #168
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    "NASA’s Insight Mars lander rescue operation makes progress saving ‘stuck’ probe"

    https://www.teslarati.com/nasa-insig...ission-update/

    The scientists running NASA’s Insight Mars lander found themselves attempting a rescue operation for the mission when one of its instruments became stuck in the red planet’s regolith early last year. After a few assistance maneuvers using a robotic shovel-clad arm in the months since, it appears the team has finally reached a point where there’s light at the end of the dusty tunnel.

    “Another short test has my self-hammering mole making gradual progress. Pressing down on the soil above has helped it dig a little further. We’ll do another of these moves soon,” the lander’s official Twitter page announced recently.
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  20. #169
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    "NASA InSight's 'Mole' is out of sight"

    https://www.marsdaily.com/reports/NA...sight_999.html

    NASA's InSight lander continues working to get its "mole" - a 16-inch-long (40-centimeter-long) pile driver and heat probe - deep below the surface of Mars. A camera on InSight's arm recently took images of the now partially filled-in "mole hole," showing only the device's science tether protruding from the ground.
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  21. #170
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    "Three things we've learned from NASA's Mars InSight"

    https://www.marsdaily.com/reports/Th...Sight_999.html

    NASA's InSight spacecraft touched down Nov. 26, 2018, on Mars to study the planet's deep interior. A little more than one Martian year later, the stationary lander has detected more than 480 quakes and collected the most comprehensive weather data of any surface mission sent to Mars. InSight's probe, which has struggled to dig underground to take the planet's temperature, has made progress, too.

    There was a time when the surfaces of Mars and Earth were very similar. Both were warm, wet, and shrouded in thick atmospheres. But 3 or 4 billion years ago, these two worlds took different paths. The mission of InSight (short for Interior Exploration using Seismic Investigations, Geodesy and Heat Transport) has been to help scientists to compare Earth to its rusty sibling. Studying what the depths of Mars is made of, how that material is layered, and how quickly heat seeps out of it could help scientists better understand how a planet's starting materials make it more or less likely to support life.

    While there's more science to come from InSight, here are three findings about our red neighbor in the sky.
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  22. #171
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    We've also learned it's hard to make a probe hammer its way into the surface!
    Cum catapultae proscriptae erunt tum soli proscript catapultas habebunt.

  23. #172
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    Quote Originally Posted by Trebuchet View Post
    We've also learned it's hard to make a probe hammer its way into the surface!
    But only using the method that they designed the probe and given the soil at this location. The soil may be similar all over or different in other locations. The method that the probe was designed may have been able to successfully "hammer" to depths without all the help that was done.

  24. #173
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    I don’t see how it will reach the planned depth, although it can likely still take readings. Just not as deep.

  25. #174
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    NASA extends exploration for two planetary science missions. The InSight mission is extended for two years, running through December 2022. InSight's spacecraft and team deployed and operated its highly sensitive seismometer to expand our understanding of Mars' crust and mantle. Searching for and identifying Marsquakes, the mission team collected data clearly demonstrating the robust tectonic activity of the Red Planet, and enhanced our knowledge of the planet's atmospheric dynamics, magnetic field, and interior structure. InSight's extended mission will focus on producing a long-duration, high quality seismic dataset. Continued operation of its weather station and burial of the seismic tether using the spacecraft's Instrument Deployment Arm (IDA), will contribute to the quality of this seismic dataset. The extended mission may continue deployment (at low priority) of the spacecraft's Heat Probe and Physical Properties instrument (HP3), which remains close to the surface.

    https://phys.org/news/2021-01-nasa-e...-missions.html
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  26. #175
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    Summing up the results of two years of work and analyze all scientific data, NASA notes and three big riddles of Mars that have been completed
    - The SEIS seismometer first recorded subsurface tremors on Mars in April 2019. Since then, the device has transmitted data on nearly five hundred "Marsquakes". In some periods, they happened literally every day. But the power of a single shock had a magnitude of no more than 3.7. It turns out that Mars is seismically active - and this is a significant discovery - but its interior is much quieter than expected.
    - The atmosphere of Mars is capable of generating winds and even moving dust. NASA concluded that during the dust storm season, the vibrations from the wind completely mask marsquakes.
    - And the biggest strangeness of "Marsquakes" - it seems that they all come only from the bowels of the planet, and its crust does not produce any vibrations.

  27. #176
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    Quote Originally Posted by cannongray View Post
    - It turns out that Mars is seismically active - and this is a significant discovery - but its interior is much quieter than expected.

    - And the biggest strangeness of "Marsquakes" - it seems that they all come only from the bowels of the planet, and its crust does not produce any vibrations.
    These 2 statements appear to be contradictory, could you describe the connection or disconnection?

  28. #177
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    "NASA's InSight Mars lander is going into emergency hibernation. If it can't save its batteries, it could die."

    https://www.businessinsider.com.au/n...ont-die-2021-4

    InSight, which landed in a Martian plain called Elysium Planitia in 2018, has detected more than 500 Mars quakes, felt more than 10,000 dust devils pass by, and started to measure the planet’s core.

    But over the past few months, InSight has been fighting for its life as the red planet’s unpredictable weather threatens to snuff out the robot.
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