PHD Comics: Gravitational Waves Explained Simple explanation but really interesting for further understanding on gravitational waves. "That's one small step for man, one giant leap for mankind" Neil Armstrong quote Mehr
Space. . The Rings Queen's.. M 0644-741 (sometimes called The Southern Ellipse) is a ring galaxy, approximately 300 million light-years away in the direction of the southern constellation Volans. It is receding from us at about 6600 km/sec. The yellowish off-center nucleus was once the center of a normal spiral galaxy.