Greek version of the Hubble DVD 15 Years of Discovery, Chapter 5, COSMIC COLLISIONS

Greek version of the Hubble DVD "15 Years of Discovery", Chapter 5, COSMIC COLLISIONS.

More information on the ESA Hubble 15th Anniversary page .

NOTE: The full "Hubble — 15 Years of Discovery" chapter may be shown and used in its entirety under our usual usage conditions . However since parts of this material is third-party, clips may not be used individually without prior approval.