Approaching the earth 4 billion-year-old comet

According to the results of the research of scientists from the University of California, it was noted that 4 billion annual comets are moving towards the Earth.

The results of the study were published in the journal Astrophysical Journal Letters.

With the help of the Hubble Space Telescope, the researchers found a huge comet C / 35 UN271 (at the crossroads it reaches 128 km), which flies beyond the solar system at a speed of 2 thousand kilometers per hour.

In addition, this space object has the largest nucleus that astronomers have identified in the comet (it is approximately 50 times larger than most known comets), its mass is about 500 trillion tons. However, this body can not reach the Earth and the sun, its maximum approaching the star exceeds one and a half billion kilometers in 2031, more than the distance from here to Saturn.

C / 2014 UN271 is currently located about three and a half billion kilometers from Earth. Although the comet was first discovered in 2010-th year, the possibility of studying its mass, size, structure of the nucleus and other parameters has now appeared.