Release Images

Release No.: 2010-21
For Release: Thursday, October 14, 2010 - 8:00pm

How to Weigh a Star Using a Moon

exoplanet and its moon transiting a sun-like star

Artist’s concept of an exoplanet and its moon transiting a sun-like star. Such a system could be used to directly weigh the star.

David A. Aguilar (CfA)