One of the Trappist-1 Planets Has an Iron Core...
In February of 2017, a team of European astronomers announced the discovery of a seven-planet system orbiting the nearby star TRAPPIST-1. Aside from the fact that all seven planets were rocky, there was the added bonus of three of them orbiting within TRA
on 2018-05-04 16:53 UTC
16 exoplanets found huddled around 12 lightweight stars...
One of the 'super-Earth' finds might even have liquid water A team of astronomers have spotted 16 exoplanets, including a 'super-Earth' that might hold liquid water, hovering around 12 low mass stars hundreds of light years away from the S
on 2018-03-13 16:54 UTC
A stellar system with three super-Earths...
Over 3500 extra-solar planets have been confirmed to date. Most of them were discovered using the transit method, and astronomers can combine the transit light curves with velocity wobble observations to determine the planet's mass and radius, and the