With the discovery of a fifth planet circling the nearby star 55 Cancri, astronomers have found the richest—and heaviest—planetary system beyond the sun’s.
The sunlike star 55 Cancri lies just 41 light-years from Earth.
With the discovery of a fifth planet circling the nearby star 55 Cancri, astronomers have found the richest—and heaviest—planetary system beyond the sun’s.
The sunlike star 55 Cancri lies just 41 light-years from Earth.