Apr 05, 2012 Lunar colonization awaits a benefit that exceeds the cost. A recent Picture of the Day article discussed the new GRAIL mission to the Moon. Two satellites will orbit the Moon together, with a range-finding system that will detect gravity variations on the lunar surface. On September 14, 2007, the…
Apr 04, 2012 A European Southern Observatory study claims there are billions of rocky planets in the Milky Way. Human beings have wondered about other planets for centuries. “Are we alone?” is probably one of the earliest questions after “where do we come from?” According to a recent publication from…
[Guest contributor Jeremy Dunning-Davies offers a new perspective on the recent Voyager 1 data and the latest all-sky survey.] Thoughts Occasioned by Two Recent Announcements Jeremy Dunning-Davies Department of Physics, University of Hull, England. Abstract Fairly recently, two announcements concerning astrophysical observations appeared. The first from NASA mentioned the fact that the…
Apr 3, 2012 The Milky Way is connected to the rest of the Universe. According to a recent press release, astronomers have found “…evidence for the cosmic thread that connects us to the vast expanse of the Universe.” By examining the positions of dwarf galaxies and globular clusters around our…
Apr 02, 2012 Is Cassiopeia A (Cas A) dying or just changing her fashion? Bio 1: In the beginning was an artist’s illustration of the consensus theory of stellar evolution. Thermonuclear fusion reactions at the center of the star transformed hydrogen into helium. After a time, the growing core of…
