instagram cross-post

#Repost @nasachandraxray ・・・ About 62 million light years away, these 2 galaxies continue to collide after more than 100 million years! Known as the Antennae galaxies, the most massive stars contained within have already sped through their evolution and exploded as supernovas! Want to know more? http://ift.tt/2AcIanN
http://ift.tt/2DHoxWr