A young sub-Neptune-sized planet offers clues on planet formation and evolution – techtoday19

Using radial-velocity data from the Habitable-zone Planet Finder, astronomers at the Penn State have characterized a young planet named K2-25b. The planet is slightly smaller in size than Neptune and orbits an M-dwarf star.
Astronomers characterized the planets mass, radius, and the tilt of its orbit. 
The planet was originally detected using the Kepler spacecraft by observing a dip in the host stars light caused by the planet crossing in front of or transiting the star and blocking some of th…

Click here to view the original article.