WASHINGTON — Scientists are documenting a planetary system in the Milky Way galaxy that is so starkly dissimilar to our own solar system that they are struggling to find the proper terminology to describe it.
A rocky exoplanet named LHS 1140b is the first in its stars' habitable zone to also be found with an atmosphere, astronomers say.
An artist’s impression shows the system around the star CD-35 2722, with the newly found moon-like object at the center. The star — the point source to the left — has about half the mass of our sun, and it is orbited by a brown dwarf, the reddish-brown object seen here in the foreground.
