NASA's Neil Gehrels Swift Observatory imaged the extremely luminous afterglow of explosion GRB 080319B using its X-ray Telescope (left) and Optical/Ultraviolet Telescope (right). NASA's Wide-field ...
Astronomers examined galaxy Arp 107 which has revealed a wealth of information about star-formation and how two galaxies collided hundreds of million years ago. Arp 107 is located 465 million ...