Tycho Supernova Expansion Continues – X-Ray, Radio and Optical Time-Lapse
Astronomers have compiled 15 years of Chandra X-ray Observatory imagery of the supernova remnant and it reveals that its still expanding. 30 years of Very Large Array (VLA) radio wave observations were also compiled. The explosion was witnessed in 1542 by Danish astronomer Tycho Brahe and others.
By: Video From Space.