Duncan Steel • Sep 13, 2019 •
Astronomers have searched over many decades for comets that have come from interstellar space, perhaps from a planetary system orbiting a nearby star in the Milky Way. A blank was drawn in this quest for a long, long time… and now, similarly to London buses, two have come along almost at once. The diagram at the head of this post … Read More
John Kerr • Aug 25, 2016 •
The astronomy world is abuzz following the discovery of a planet in a neighboring star system, sitting in just the right position to – theoretically – host liquid water. It is still over four light years away, but the planet Proxima b in the Alpha Centauri system is the closest Earth-like planet we’ve found. The discovery is published today in the journal Nature. Read More
Peter Griffin • Sep 06, 2012 •