![]() ![]() ![]() ![]() The inner four planets closest to the sun - Mercury, Venus, Earth and Mars - are often called the " terrestrial planets" because their surfaces are rocky. Related: 15 stunning places on Earth that look like they're from another planet Types of planets in the solar system The alleged "Planet Nine," also called "Planet X," is believed to be about 10 times the mass of Earth and 5,000 times the mass of Pluto. Pluto is truly way out there and on a wildly tilted, elliptical orbit (two of the several reasons it was demoted).Īstronomers, however, are still hunting for another possible planet in our solar system, a true ninth planet, after mathematical evidence of its existence was revealed on Jan. If you insist on including Pluto, it would come after Neptune on the list. ![]()
0 Comments
Leave a Reply. |