Is the Nemesis theory real?
As could be expected, it was and remains controversial. However, although the evidence for the existence of Nemesis is still circumstantial, this evidence continues to mount, and the theory has so far withstood all challenges.
Why does Nemesis exist?
Nemesis is a theoretical dwarf star thought to be a companion to our sun. The theory was postulated to explain a perceived cycle of mass extinctions in Earth's history. Scientists speculated that such a star could affect the orbit of objects in the far outer solar system, sending them on a collision course with Earth.
Where is Nemesis star now?
In summary, the Nemesis star is a concept that originated in the 1980s but is now considered obsolete by scientists. It was thought to be a possible companion star to the Sun, but it is believed to have left the Solar System more than 4 billion years ago.
Is there a brown dwarf orbiting our Sun?
There is no such thing as Planet 9 or Planet X. What actually exists is the companion of the Sun. It is a brown dwarf and its size is between 10 – 20 times that of the Earth. This brown dwarf is circling the Sun in a vast orbit which takes it 60 times further than Neptune.