Future Evidence for Extraterrestrial Life Might Come from Dying Stars
Cambridge, MA – Even dying stars could host planets with life – and if such life exists, we might be able to detect it within the next decade.
Stellar Motions in Outer Halo Shed New Light on Milky Way Evolution
Peering deep into the vast stellar halo that envelops our Milky Way galaxy, astronomers using NASA's Hubble Space Telescope have uncovered tantalizing evidence for the possible existence of a shell of stars that are a relic of cannibalism by our Milky Way.
Discovering the Birth of an Asteroid Trail
Unlike comets, asteroids are not characterised by exhibiting a trail, but there are now ten exceptions. Spanish researchers have observed one of these rare asteroids from the Gran Telescopio Canarias (Spain) and have discovered that something happened around the 1st July 2011 causing its trail to appear: maybe internal rupture or collision with another asteroid.
NASA's SDO Observes Fast-Growing Sunspot
As magnetic fields on the sun rearrange and realign, dark spots known as sunspots can appear on its surface.