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New2grammar Posted 18 years ago
Grammar
hasn't successfully landed
0 Another aspect of the Phoenix landing that has the team worried is the landing system itself. NASA has not successfully landed a probe on Mars using landing legs and stabilizing thrusters since the Viking missions in the late 1970's. 02 br
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00 Does it mean Viking missions were successful in landing using landing legs and stabilizing thrusters? 02 br
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00 Thanks in advance! 0-
02 br
00 Does it mean Viking missions were successful in landing using landing legs and stabilizing thrusters? 02 br
02 br
00 Thanks in advance! 0-
Top answer
0 Yes 0-
- 0 Yes 0-
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