Where’s that planet? The search for a gas-giant called Tyche

Tuesday, 22 February, 2011

Astronomers believe that yet to be analysed data collected by NASA’s WISE (Wide-field Infrared Survey Explorer) telescope will prove that a giant planet, up to four times the mass of Jupiter, which they are calling Tyche, orbits the Sun on the extreme outer edge of the solar system, in a region referred to as the Oort Cloud.

The hunt is on for a gas giant up to four times the mass of Jupiter thought to be lurking in the outer Oort Cloud, the most remote region of the solar system. The orbit of Tyche (pronounced ty-kee), would be 15,000 times farther from the Sun than the Earth’s, and 375 times farther than Pluto’s, which is why it hasn’t been seen so far.

A variation of the Nemesis theory, which states that a red or brown dwarf star orbits somewhere in the same region, perhaps?

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