A week of planets
... It has been a busy few days of planetary discoveries and this might be down to people saving announcements up for the AAS's Division for Planetary Sciences meeting (#dps12). Yesterday saw the announcement of PH-1 as the first confirmed planet discovery by users of the Planet Hunters website. The planet is very interesting because it is in a 4 star system! It orbits a double star which is orbited by another pair of stars at 1000 AU distance. In our solar system that would put the second pair 2
Posted by Astronomy Blog