Mysterious Space Signal Indicates “Missing Matter” in…They have only ever detected a few of these types of signals. And apparently this one is changing the scientific modeling of a lot of astronomy departments. Basically an FRB is a fast radio burst. They still do not know for sure where they come from but the majority of astronomers think they come from pulsars. However, there is debate amongst the astronomy and space fan communities alike.
It's been 25 years since the Hubble Space Telescope was launched into orbit by the Space Shuttle. On April 24, 1990, the shuttle carried Hubble up into space, making it the first telescope of its kind. To celebrate, here are some of the best pictures it has taken in 25 years.