18 Oct
2009
18 Oct
'09
3:07 p.m.
"Direct communication between Earth and Mars can be strongly disturbed and even blocked by the Sun for weeks at a time, cutting off any future human mission to the Red Planet. An ESA engineer working with engineers in the UK may have found a solution using a new type of orbit combined with continuous-thrust ion propulsion."
Read the story at PhysOrg.com:
http://www.physorg.com/news174907594.html
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Jeff, KE9V