... Tonight's Sky . ... Observing . ... exoplanets . ... Earthshine sheds light on exoplanets . Earth light reflected off the Moon serves as an exoplanet stand-in. ... Now, Tilak Hewagama of the University of Maryland and Drake Deming of NASA's Goddard Space Flight Center are using earthshine light from Earth reflected from the Moon's night side to view our world as it would be seen through a distant telescope. ... Only registered members of Astronomy.com are allowed to comment on this article. ...