On Wednesday, March 1, 2017, astronomers announced that the computer on the Hubble Space Telescope had failed, and they were no longer able to use the instrument.

Hubble has been in orbit around Earth for more than 25 years, and is one of the most important tools that astronomers have for studying the universe. It is used to study everything from the birth of stars and galaxies to the behavior of black holes.

Engineers at NASA are now working to try to fix the computer on the telescope. They are not sure how long it will take, or how much …