(Phys.org) —Stars come in a tremendous size range, from many tens of times bigger than the Sun to a tiny fraction of its size. But the answer to just how small an astronomical body can be ...

Planet C, next in line, is spared the worst of the star’s heat ... Hurt teased the possibility of water by drawing a sprinkling of turquoise along Planet D’s terminator, the edge between ...

What's in a simple line drawing? Quite a lot, our brains say Date: May 20, 2011 Source: Ohio State University Summary: A new study using sophisticated brain scans shows how simple line drawings ...