Comet: The largest comet in history moving towards the earth, the speed of 35 thousand km per hour, the world in danger?

Washington:The biggest comet ever seen is moving towards Earth at a speed of 35405 kmph. This comet has a mass of about 500 trillion tons and its icy nucleus is 128 km wide, which is 50 times larger than the centers of other known comets. But there is no need to panic because the US space agency NASA believes that it will not come closer than about 1.60 billion km from the Sun.

The comet, named C/2014 UN271, was first sighted more than a decade ago in November 2010, reports the Independent. At that time it was at a distance of 4.82 billion km from the Sun and was traveling from the edge of the Solar System towards its centre. Its mass is 100,000 times larger than that of comets that are usually found closer to the Sun.
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Hubble Space Telescope reveals size
Scientists using telescopes on Earth and in space have been monitoring it since then. They believe that in 2031 its journey will end at a point as far away as Saturn from us. Scientists watching it knew that it was a giant comet, but recent estimates of its giant size are based on photographs taken by the Hubble Space Telescope.

Comet detection is also an art
The size of the comet is very difficult to determine because there are many dust particles around it, due to which it is very difficult to see. But scientists found it by looking closely at the bright dot in the center of the comet and using computer models. These comets are billions of years old and are a remnant of the early days of our solar system.