Arp 230: Two Spirals in One? ... Credit Copyright: J. A. Westphal ( Caltech ), STScI , NASA Explanation: Is this one galaxy or two? Analysis of Arp 230 has shown evidence that this seemingly single spiral galaxy is actually the result of the recent collision of two spiral galaxies. ... The collision apparently had many similarities to the colliding galaxy sequence in the IMAX movie " Cosmic Voyage ." ... NASA Web Site Statements, Warnings, and Disclaimers . NASA Official: Jay Norris. ...