re gamma ray bursters where are they ethanb ptolemy astro washington edu ethan bradford writes u wampyr cc uow edu au walker andrew john writes also if they did come from the oort cloud we would expect to see the same from other stars oort clouds that s a very good point perhaps none of the nearby stars have oort clouds alpha centauri is a multiple star system you wouldn t expect an oort cloud in it sure about that maybe proxima might cause problems but at oort cloud distances ac a and ac b together look like a point source besides even the solar system s oort cloud is unstable over geologic time right and needs to be replentished from somewhere else like the short period comets of the kupier belt or maybe i m misremembering something i read or heard somewhere what s the nearest single star that is likely to have a planetary system until we re able to perform a broad band survey of nearby stars to detect planets we won t know enough to say whether or not a single star has planets and we re likely to find out about the close ones first heck if neutron stars can have planets anything can have planets or was that discovery disconfirmed phil fraering seems like every day we find out all sorts of stuff pgf srl cacs usl edu like how the ancient mayans had televison repo man
