InSight Surface Operations, 26 Nov 2018- 21 Dec 2022 |
InSight Surface Operations, 26 Nov 2018- 21 Dec 2022 |
Nov 26 2018, 08:20 PM
Post
#1
|
|
Merciless Robot Group: Admin Posts: 8783 Joined: 8-December 05 From: Los Angeles Member No.: 602 |
Congratulations to the InSight team on a successful landing! We'll discuss the remainder of the mission here.
-------------------- 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.
|
|
|
Jan 28 2020, 12:30 AM
Post
#2
|
|
Senior Member Group: Members Posts: 1043 Joined: 17-February 09 Member No.: 4605 |
The density of the regolith at the immediate sub surface or deeper is unknown. The mean density of the mole is not really germane to its operation which delivers hammering energy of some 0.83 J every 3 seconds. In effect the mole is a self powered cone penetrator. The link provides some data on the anticipated performance of the mole modeled to scale for Mars gravity. The thing is the model output table addresses cohesionless soil (sand, dust) so the determination that the mole failure was due to encountering cohesionless regolith is a tad surprising and is why I considered an encounter with a rock a reasonable possibility. I guess that despite landers and rovers we have hardly scratched the surface of Mars and our knowledge of the properties of what lies below is akin to the old map makers. "Here be dragons".
https://www.researchgate.net/publication/26...nSight_HP3_Mole |
|
|
Lo-Fi Version | Time is now: 4th May 2024 - 02:38 PM |
RULES AND GUIDELINES Please read the Forum Rules and Guidelines before posting. IMAGE COPYRIGHT |
OPINIONS AND MODERATION Opinions expressed on UnmannedSpaceflight.com are those of the individual posters and do not necessarily reflect the opinions of UnmannedSpaceflight.com or The Planetary Society. The all-volunteer UnmannedSpaceflight.com moderation team is wholly independent of The Planetary Society. The Planetary Society has no influence over decisions made by the UnmannedSpaceflight.com moderators. |
SUPPORT THE FORUM Unmannedspaceflight.com is funded by the Planetary Society. Please consider supporting our work and many other projects by donating to the Society or becoming a member. |