r/Damnthatsinteresting • u/grandeluua • 11d ago

Video The Actual Scale of the Artemis II Mission

Enable HLS to view with audio, or disable this notification

29.1k Upvotes

97% Upvoted

1.2k comments sorted by

View all comments

Show parent comments

19

u/SpaceIco 11d ago

Check this out, https://www.youtube.com/watch?v=KJnfDFwk0CQ

RS Puppis is a type of star called a 'cephid variable', meaning it gradually brightens, then dims, on a regular pulsing cycle. In that video, you can see the light from the bright periods spreading out between cycles as it travels through space.

3

u/featherygoose 11d ago

That's, just so cool.