Search
The planets of the Kepler-30 system, seen here in an artist's impression, all transit the same starspot, indicating that they lie in the same geometric plane. | Sanchis-Ojeda et al.
Tech

Kepler Spots 'Perfectly Aligned' Alien Worlds

Kepler Spots 'Perfectly Aligned' Alien Worlds. Learn more about Kepler Spots 'Perfectly Aligned' Alien Worlds in this article.

July 25, 2012
3:00 AM EDT