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David Ratti's user avatar
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David Ratti
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  • Last seen more than a month ago
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4 Questions

Score Activity Newest Views
25 votes
4 answers
6k views

How can Yuri Gagarin's Vostok 1 flight be considered to have been orbital, since he did not go all the way around Earth?

  • crewed-spaceflight
  • history
  • sub-orbital
  • orbital
asked Oct 9, 2014 at 8:15
13 votes
1 answer
2k views

What is the object protruding from the left side of the payload fairing during ULA Atlas V 501 AFSPC-5 launch?

  • identify-this-object
  • launch-vehicle
  • ula
  • atlas-v
  • x-37
asked May 23, 2015 at 21:25
8 votes
2 answers
2k views

Can the SpaceX Dragon leave the 'trunk' in orbit?

  • spacex
  • reentry
  • dragon
  • orbital-assembly
asked Feb 16, 2015 at 6:16
1 vote
0 answers
307 views

Pintle injector in a Vortex Cooled Chamber Wall (VCCW) Engine

  • rockets
  • engine-design
  • engines
asked Oct 4, 2014 at 15:58
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