Gewoon prachtig Hubble..
Geplaatst: 14 apr 2025 13:51
https://bigthink.com/starts-with-a-bang ... e-history/

Om door te bladeren met weinig tekst.When Hubble first opened its cosmic eyes on the Universe in 1990, it was seen as a disaster: the mirror was flawed, its images were blurry, and its science value was greatly in doubt. Then in 1993, the first servicing mission occurred. A mirror correction device known as COSTAR was installed, a new camera was delivered and installed, and the Universe finally came into focus. Two years later, in 1995, the telescope director made a bold but controversial decision: to observe absolutely nothing, over and over, for many days. What we saw changed our perspective forever. (..)