View Full Version : A Brief History Of Gliese 581d and 581g, The Planets That May Not Be

2014-Jul-04, 02:50 PM
Two potentially habitable planets in the Gliese 581 system are just false signals arising out of starstuff, a new study said. Gliese 581d and 581g are (study authors said) instead indications of the star’s activity and rotation. It’s the latest twist in a long tale about the system as astronomers struggle to understand how many […]

More... (http://www.universetoday.com/112925/a-brief-history-of-gliese-581d-and-581g-the-planets-that-may-not-be/)