Follow

in 2009, astronauts Drew Feustel & John Grunsfeld replace a fine guidance sensor with a refurbished one that was removed from the telescope in 1999 and upgraded. The fine guidance sensors help Hubble point and lock on to its targets.

Sign in to participate in the conversation
quey

We are quey.org! We are a generalistic and moderated Mastodon instance for people of all colours and sizes. No ads, no tracking just be free.