National Geographic News
May 5, 2012
A star about 127 light-years from Earth may have even more planets than the sun, which would make the planetary system the most populated yet found.
According to a new study, HD 10180—a sunlike star in the southern constellation Hydrus—may have as many as nine orbiting planets, besting the eight official planets in our solar system.
The star first made headlines in 2010 with the announcement of five confirmed planets and two more planetary candidates.
Now, reanalysis of nearly a decade’s worth of data has not only confirmed the existence of the two possible planets but also uncovered the telltale signals of two additional planets possibly circling the star, bringing the total to nine.