Unique comet

Leaving the Oort cloud, the Earth is approaching comet Catalina, consisting of primordial matter.

Comet C/2013 US10 Catalina has completed journey around the Sun and is now approaching Earth. The comet will fly at a distance of 108 million km from the planet. It can be seen with the naked eye or in binoculars 17 January 2016 in the area of the constellation URSA major, reports Global Science .

The comet opened in October 2013 with the help of automated search system, which was developed under the project called the Catalina Sky Survey, providing a view of the sky.

C/2013 US10 is one of the many comets are in the Oort cloud, located at a distance of 50-100 thousand astronomical units.

Experts believe that the cloud is material left from the formation of the entire Solar system.

The first Catalina circled around the Sun took place at the end of November. Now the comet can be observed in the constellation of Virgo, however, this requires special optics.

The closest approach will happen on 17 January, and the brightness will increase to its fifth star. This, in turn, will provide an opportunity to observe it in the constellation of the Big dipper through binoculars.

Since C/2013 US10 leaves the Oort cloud, it still consists of the primordial matter, from which was born our Solar system 4.4 billion years ago. The convergence of such an object with the sun and the Earth is of great scientific interest.

Called the Oort cloud, a hypothetical spherical region of the Solar system. Instrumental its existence is not confirmed; the findings of scientists based on circumstantial facts. The estimated distance to the outer limits of the Oort cloud from the Sun is about light years: from 50 000 to 100 000 and. E. External border of the Oort cloud defines the gravitational boundary of the Solar system is the hill sphere, which is defined for Solar system 2 light years. According to astrophysicists, this area is home to many asteroids and comets.

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