NASA’s Hubble Space Telescope uncovered what appears to be a pair of identical objects that look so weird it took astronomers several years to determine what they are. Turns out they are stretched images of a gravitationally lensed distant galaxy, located more than 11 billion light-years away. And, they appeared to be mirror images of each other.
Click here for original story, ’Double’ Galaxy Mystifies Hubble Astronomers
Source: NASA Goddard Center