DWARF STAR: Killer stars from deep black space threaten Earth?!
Baku, June 17 (AZERTAC). The convergence of the gravitational field of passing stars can affect the objects in the solar system. First of all, the Oort cloud will be affected. There is also a fairly low probability that the star will pass so close to the Sun, that it will have an impact on the Kuiper belt.
It seems that everyday the memes keep coming about the imminent convergence of our solar system with a planetary object/star such as a brown dwarf star. A failed sun, dim and cold, that could cause widespread cataclysmic chaos on planet Earth.
Outer space poses a threat to the Solar System. This time it was declared not by homegrown advocates of the near doomsday, but solid astrophysicists. Earlier this year the 217th Meeting of the American Astronomical Society was held in Seattle where the most dangerous objects for our planet were named. With the help of The Sloan Digital Sky Survey, researchers have compiled a list of stars that may represent a potential threat to Earth, for example, by approaching the Sun and impacting objects around it. It turned out that of the 40,000 red dwarfs (objects of this class are most common in the universe) nearest to us, 18 are quite capable of "attacking" the solar system.
One of the most dangerous objects is the Oort cloud, a giant bubble containing billions of ice and rock boulders. Researchers believe that these objects are constantly circulating through the solar system as comets, leaving deep craters when coming into contact with planets. They fell on Earth as well. Although the Oort cloud is located at a distance of 50,000 to 100,000 astronomical units from the Sun, under the influence of stellar gravity, planets in our solar system, including Earth, may undergo an active comet bombardment. At least, John Bochanski from the University of Pennsylvania believes this to be a possibility. Recently, astrophysicists John Mathis and Daniel Whitmire) from the University of Louisiana came to the conclusion that within the Oort cloud there must be an object whose mass is two times heavier than that of Jupiter`s - perhaps a gas giant or a cold star. The distance to it is approximately 30,000 astronomical units. An object dubbed Tyche, the goddess of fortune, is a sister of the sinister Nemesis star. Incidentally, according to some predictions, next year the mysterious "star Nemesis" (also called Nibiru and Planet X) will destroy the Earth. Scientists are concerned with asteroids that have been recently frequenting Earth. Only in the past two years, a few pieces of these heavenly bodies, albeit quite small in size, fell on Earth. With the help of a telescope WISE astrophysicists hope to identify nearly 100,000 asteroids representing a potential threat. Even more serious threat comes from the Kuiper belt. This is the name of the giant ring beyond the orbit of Pluto which consists of rocks and asteroids, located at a much closer distance to the Sun than the Oort cloud - from 30 to 50 astronomical units.
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