The Antennae . ... Processing - Dietmar Hager ( stargazer-observatory ) Explanation: Some 60 million light-years away in the southerly constellation Corvus , two large galaxies collided . But the stars in the two galaxies, cataloged as NGC 4038 and NGC 4039 , don't collide in the course of the ponderous event , lasting hundreds of millions of years. ... Of course , the suggestive visual appearance of the extended arcing structures gives the galaxy pair its popular name - The Antennae. ...