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38 votes

If Crew Dragon can dock autonomously, why is there a crew aboard when they change from docking port to another?

If the capsule were to fail to autonomously redock successfully, the crew would not be able to use it to return to Earth. Therefore, the crew rides in the capsule so that if does not redock ...
phil1008's user avatar
  • 6,288
23 votes
Accepted

Eye Spy: Where are the other two (of six) vehicles docked to the ISS in this Maxar image (& what are they?)

Soyuz MS-25 and Cygnus-20 (NASA)
Steve Pemberton's user avatar
14 votes

If Crew Dragon can dock autonomously, why is there a crew aboard when they change from docking port to another?

Every ISS crew member must always have a seat on a lifeboat available at any time. I'm pretty sure this is dictated by ISS Flight Rules, and I'm pretty sure there are members here that have access to ...
Jörg W Mittag's user avatar
7 votes
Accepted

Why didn't Crew 8 launch to an elliptical orbit with an apogee closer to the altitude of the space station?

I think this really boils down to a more-general question that hasn't been asked/answered (that I could find before) on this site: why are concentric / coelliptic rendezvous trajectories used instead ...
Erin Anne's user avatar
  • 12.1k
6 votes

Does SpaceX clean the outside of Dragon between flights?

SpaceX Dragon uses an ablative heat shield. That means the heat shield needs to be replaced or at least refurbished after every reentry. This applies both to the primary reentry heat shield at the ...
Jörg W Mittag's user avatar
5 votes

Does the SpaceX Crew Dragon need any modifications for circumlunar flight?

Similar questions were asked after the initial announcement of what would become the dearMoon project. The earliest announced version was a lunar flyby on a Dragon 2 launched by a Falcon Heavy, both ...
Erin Anne's user avatar
  • 12.1k
3 votes

Eye Spy: Where are the other two (of six) vehicles docked to the ISS in this Maxar image (& what are they?)

I prefer the way this page generates ISS occupancy images... https://historicspacecraft.com/ISS_VV_Diagram.html You can quickly layout any combination at the station yourself.
geoffc's user avatar
  • 79.9k
3 votes
Accepted

Why are the service modules on Crew Dragon and Starliner expended after every flight?

In the case of Space X, the trunk section appears to be: Structural adaptor between Falcon upper stage and dragon Unpressurised storage space for cargo (since falcon is larger than dragon really ...
GremlinWranger's user avatar

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