My friend and collaborator Andrew Howard just published an amazing paper in Science (abstract only, full article costs $$). The paper, on which I am proud to be a coauthor, came out Thursday and has attracted a lot of attention from both the astronomy community and the public. This is primarily because in it we provide the first estimate of the frequency of Earth-sized planets around other stars, often referred to as "eta Earth," after the Greek letter in the Drake Equation . We estimate that about 1 in 4 stars has an Earth-sized planet! The results are from the NASA-UC Eta-Earth survey that we have been conducting over the past 5 years at Keck Observatory. The results have quickly made their way out into the realm of popular science. Here's my favorite: Alien Earthlike worlds 'like grains of sand', say 'wobble' boffins I'm going to start listing "Wobble Boffin" as my job description on my CV! Andrew has an excellent quote describing our me
Updates on astronomy and parenting in paradise...er, Pasadena. Wait, make that Cambridge, MA.