A thought struck me the other day. The most important use of Gaia might be to give us enough warning that an asteroid or comet might
be on the way to do to us what one of them did to dinosaurs 65 million years ago.
Not the main use of Gaia, but might well be the most important feature by far
http://blogs.esa.int/gaia/2014/07/03/asteroids-at-the-photo-finish/
be on the way to do to us what one of them did to dinosaurs 65 million years ago.
Not the main use of Gaia, but might well be the most important feature by far
http://blogs.esa.int/gaia/2014/07/03/asteroids-at-the-photo-finish/