Astronomers using ESO's Very Large Telescope have now caught and studied the faint light from the planet Tau Boötis b for the first time. | ESO/L. Calçada

Probing an 'Invisible' Exoplanet's Atmosphere

Scientists are probing an 'invisible' exoplanet's atmosphere. Learn how scientists are able to probe an 'invisible' exoplanet's atmosphere.

June 27, 2012
3:00 AM EDT