12th planet in solar system

Who discovered the 12th Planet?

Caltech researcher Mike Brown is considered the discoverer of the 12th planet, having found 2003 UB313. However, he expressed his disagreement with the proposal, stating that it is a 'complete mess'.

Is there a planet in the far outer Solar System?

And we'll also talk about another hypothetical world that may actually exist in the far outer solar system — Planet Nine. The story began in 1976, when Zecharia Sitchin wrote "The Twelfth Planet," a book which used Stitchin's own unique translation of Sumerian cuneiform to identify a planet, Nibiru, orbiting the sun every 3,600 years.

Is planet Nine a mythical planet?

In any event, Planet Nine (or Planet X, if you prefer), may actually exist, and it's not coming to destroy Earth. So, it's very different than the mythical Nibiru. A planet called Nibiru, although not associated with Earth's doomsday, featured briefly in the 2013 Star Trek film installment Star Trek Into Darkness.

How many planets are in our Solar System?

The tally of planets in our solar system would jump instantly to a dozen under the newly proposed IAU definition. (Image credit: IAU/Martin Kornmesser) The 12 planets under the newly proposed IAU definition. Planet sizes are shown to scale but their orbital distances are not to scale.

Is there a new planet in our Solar System?

The object, which the researchers have nicknamed "Planet Nine," could have a mass about 10 times that of Earth and orbit about 20 times farther from the Sun on average than Neptune. It may take between 10,000 and 20,000 Earth years to make one full orbit around the Sun. The announcement does not mean there is a new planet in our solar system.

Which planet orbits the Sun in a highly elongated orbit?

This hypothetical Neptune-sized planet orbits our Sun in a highly elongated orbit far beyond Pluto. The object, which the researchers have nicknamed "Planet Nine," could have a mass about 10 times that of Earth and orbit about 20 times farther from the Sun on average than Neptune.