Astronomers discover youngest fully formed exoplanet ever known
by Xeni Jardin from on (#1HV22)
Astronomers using NASA's Kepler Space Telescope and its extended K2 mission, as well as the W. M. Keck Observatory on Mauna Kea, Hawaii, have discovered the youngest fully formed exoplanet ever detected. Exoplanets are planets that orbit stars beyond our sun.