Follow

in 2009, astronaut Mike Good replaces one of Hubble's original battery units with a new one. These batteries allow the solar-powered observatory to store energy for use when Hubble is in Earth's shadow. flickr.com/photos/nasahubble/2

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.