Astronomers using W. M. Keck Observatory on Maunakea, Hawaiʻi Island have discovered one of the lowest-mass planets whose images have been directly captured. Not only were they able to measure its mass, but they were also able to determine that its orbit is similar to the giant planets in our own solar system.
Click here for original story, New era of exoplanet discovery begins with images of ‘Jupiter’s younger sibling’
Source: Phys.org