apr 24, 1990 - The Hubble Space Telescope
Description:
The Hubble Space Telescope was put into low-Earth orbit in 1990 and is still in use today. Although it wasn't the first space telescope, it is one of the biggest and most useful ones. It is famous for being both an essential scientific instrument and a public relations success for astronomy.Added to timeline:
Date:
apr 24, 1990
Now
~ 35 years ago