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Franck Dernoncourt

profile for Franck Dernoncourt on Stack Exchange, a network of free, community-driven Q&A sites

FYI: Synthetic Biology proposal.

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15 How much do orbital debris cost annually to satellite operators? Dec 13 '14
6 How much did all the space agencies spent on rockets launching and space exploration? What are the benefits for me and you? Jul 21 '19
5 Why does it take Spaceway 1 (satellite) two or three months to dump 73 kg of bipropellant? Jan 25 '20
3 Why do AST SpaceMobile satellites have antennas much larger than Starlink, whereas they both aim at providing network coverage anywhere on earth? Feb 6
3 When is the SpaceShipTwo dropped from mothership? Dec 13 '20
2 Are Virgin Galactic tourists asked to take a 6 to 8G centrifuge test to qualify, and if so, what's the point? Dec 26 '20
2 How long do the ascent and the descent of Virgin Galactic's spacecraft take? Dec 26 '20
2 Do the passengers in Virgin Galactic's VSS Unity spacecraft have a parachute or some other way to escape the spacecraft if needs be? Dec 24 '20
2 Which components are non-reusable after a sub-orbital spaceflight with Virgin Galactic? Dec 14 '20
1 What percentage of the population can pass Virgin Galactic's training sessions for tourists to board a sub-orbital spaceflight? Dec 28 '20
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