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Questions to do with celestial comets.

4 votes
0 answers
149 views

Could underestimation of 67P's mass have helped Philae?

It appears that we underestimated comet 67P's mass significantly (see What was known about 67P/C-G's mass before the arrival of Rosetta?) during the initial planning. …
pat_nafs's user avatar
  • 199
8 votes
1 answer
437 views

Rosetta's lander, Philae will "anchor" itself on Comet 67P. What level of control can we hav...

Rosetta's lander, Philae is scheduled to land on Comet 67P in November 2014. … Considering this, I have following questions about this scheduled landing: Did we have sufficient information about the composition of this Comet to determine the thrust required for anchoring the harpoon …
pat_nafs's user avatar
  • 199