Astronomy Picture of the Day

   [1]Discover the cosmos! Each day a different image or photograph of our
      fascinating universe is featured, along with a brief explanation
                    written by a professional astronomer.

                              2022 September 17
    [2]See Explanation. Clicking on the picture will download the highest
                        resolution version available.

                    Perseverance in Jezero Crater's Delta
           Image Credit: [3]NASA, [4]JPL-Caltech, [5]MSSS, [6]ASU

   Explanation: The Perseverance rover's Mastcam-Z captured images to
   create [7]this mosaic on August 4, 2022. The car-sized robot was
   continuing its exploration of the fan-shaped delta of a river that,
   billions of years ago, flowed into Jezero Crater on Mars. Sedimentary
   rocks [8]preserved in Jezero's delta are considered one of the best
   places on Mars to search for potential signs of ancient microbial life
   and sites recently sampled by the rover, dubbed Wildcat Ridge and
   Skinner Ridge, are at lower left and upper right [9]in the frame. The
   samples taken from these areas were sealed inside ultra-clean sample
   tubes, ultimately intended for [10]return to Earth by future missions.
   [11]Starting with the [12]Pathfinder Mission and [13]Mars Global
   Surveyor in 1997, the last 25 years of a continuous robotic exploration
   of the Red Planet has included [14]orbiters, [15]landers, [16]rovers,
   and a [17]helicopter from planet Earth
   .

                  Tomorrow's picture: stone circle analemma
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    Authors & editors: [29]Robert Nemiroff ([30]MTU) & [31]Jerry Bonnell
                                 ([32]UMCP)
          NASA Official: Phillip Newman [33]Specific rights apply.
              [34]NASA Web Privacy Policy and Important Notices
                A service of: [35]ASD at [36]NASA / [37]GSFC,
                         [38]NASA Science Activation
                           & [39]Michigan Tech. U.

References

   1. https://apod.nasa.gov/apod/archivepix.html
   2. https://apod.nasa.gov/apod/image/2209/PIA24924_2090.jpg
   3. https://www.nasa.gov/
   4. https://www.jpl.nasa.gov/
   5. http://www.msss.com/
   6. https://mastcamz.asu.edu/
   7. https://photojournal.jpl.nasa.gov/catalog/?IDNumber=PIA24924
   8. https://www.nasa.gov/press-release/nasa-s-perseverance-rover-investigates-geologically-rich-mars-terrain
   9. https://photojournal.jpl.nasa.gov/figures/PIA24924_figA.jpg
  10. https://mars.nasa.gov/msr/
  11. https://www.nasa.gov/feature/25-years-of-continuous-robotic-mars-exploration-from-pathfinder-to-perseverance
  12. https://apod.nasa.gov/apod/ap970705.html
  13. https://apod.nasa.gov/apod/ap970911.html
  14. https://apod.nasa.gov/apod/ap171006.html
  15. https://apod.nasa.gov/apod/ap110313.html
  16. https://apod.nasa.gov/apod/ap210615.html
  17. https://apod.nasa.gov/apod/ap210701.html
  18. https://apod.nasa.gov/apod/ap220916.html
  19. https://apod.nasa.gov/apod/archivepix.html
  20. https://apod.nasa.gov/apod/lib/apsubmit2015.html
  21. https://apod.nasa.gov/apod/lib/aptree.html
  22. https://antwrp.gsfc.nasa.gov/cgi-bin/apod/apod_search
  23. https://apod.nasa.gov/apod/calendar/allyears.html
  24. https://apod.nasa.gov/apod.rss
  25. https://apod.nasa.gov/apod/lib/edlinks.html
  26. https://apod.nasa.gov/apod/lib/about_apod.html
  27. http://asterisk.apod.com/discuss_apod.php?date=220917
  28. https://apod.nasa.gov/apod/ap220918.html
  29. http://www.phy.mtu.edu/faculty/Nemiroff.html
  30. http://www.phy.mtu.edu/
  31. https://antwrp.gsfc.nasa.gov/htmltest/jbonnell/www/bonnell.html
  32. http://www.astro.umd.edu/
  33. https://apod.nasa.gov/apod/lib/about_apod.html#srapply
  34. https://www.nasa.gov/about/highlights/HP_Privacy.html
  35. https://astrophysics.gsfc.nasa.gov/
  36. https://www.nasa.gov/
  37. https://www.nasa.gov/centers/goddard/
  38. https://science.nasa.gov/learners
  39. http://www.mtu.edu/