Earth Return & Sample Science |
Earth Return & Sample Science |
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#101
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![]() Merciless Robot ![]() ![]() ![]() ![]() Group: Admin Posts: 8784 Joined: 8-December 05 From: Los Angeles Member No.: 602 ![]() |
Now that the 'boop' has been completed (with spectacular success!), we'll move the discussion to here for subsequent mission events.
![]() -------------------- A few will take this knowledge and use this power of a dream realized as a force for change, an impetus for further discovery to make less ancient dreams real.
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#102
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2091 Joined: 13-February 10 From: Ontario Member No.: 5221 ![]() |
Nice work, that explains it!
Note the biggest 'piece' you circle dates back to before the sample return. It is likely a micrometeoroid impact (and definitely no trace of it anymore!) |
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#103
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Member ![]() ![]() ![]() Group: Members Posts: 436 Joined: 14-December 15 Member No.: 7860 ![]() |
Note the biggest 'piece' you circle dates back to before the sample return. It is likely a micrometeoroid impact (and definitely no trace of it anymore!) Indeed, this largest speck appeared already between September 22, 2016 and March 2, 2017, i.e. definitely before sampling - so it cannot be a particle of Bennu. Fragment of the original picture description: „...A small, dark spot is visible on the surface of the SRC that was not present during the checkout images taken after launch in 2016. Subsequent analysis has shown that this spot is an indentation approximately 0.08 inches (2 mm) across – the size of a poppy seed – that may have been caused by a particle hitting the SRC during flight...” This confirms how risky interplanetary flights are - if this micrometeorite were slightly larger and hit some vital element of the spacecraft (or e.g. a camera), it would create a serious problem, and maybe even a threat to the entire mission (I assume that the impact was at high speed (and therefore high energy) since it scratched a part of the shield)... |
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