Still No Sign Of 'Planet X' In Latest NASA Survey - Universe Today
It’s one of those rumors that just won’t quiet down — a large planet lurking at the solar system’s edge. Back in the 1840s, when Neptune was discovered, its orbit seemed to be a little “off” from what was expected. Some astronomers of the time said that was caused by a planet further out. Although … Continue reading "Still No Sign Of ‘Planet X’ In Latest NASA Survey"