The Whirlpool Galaxy M51 - pair of galaxies locked in a gravitational embrace

size: 304482
sha1: eaad0772545bb89d9a98a6bee10aaa38393da572
sha256: 172d7f17c776a19b5479f3127b96ac7c0e03fa07a027d0ed59472e45edaca9c2

size: 313482
sha1: 361f659ab4ec3affcd18d6ce94c36f8393ded5ff
sha256: 834e15823e6bcb55c64135a4781496566915c23f39d8449d97660ce62870f058