Arp 230: Two Spirals in One? ... Credit Copyright: J. A. Westphal ( Caltech ), HST , 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. ...