Asteroid to make a very close pass by Earth

Gwen Vasquez
February 10, 2018

Paul Chodas, manager of NASA's Near-Earth Object Studies, said: "Although 2018 CB is quite small, it might well be larger than the asteroid that entered the atmosphere over Chelyabinsk, Russia, nearly exactly five years ago, in 2013".

The 2018 CB asteroid, thought to be even bigger than the Chelyabinsk space rock which exploded over Russian Federation this month five years ago, will pass within 39,000 miles (64,000 kilometers) of Earth on Friday.

It's between 50 and 130 feet wide, similar in size the one which exploded over Chelyabinsk five years ago.

2018 CB isn't a mass-extinction type of asteroid, though it's an interesting one for astronomers. It may well be larger compared to the asteroid which entered Earth's atmosphere over Chelyabinsk in Russian Federation that almost slammed into the ground in 2013.

Asteroid 2018 CC zoomed past by at about half the distance between Earth and the moon, while 2018 CB will zoom past at about a fifth of a "lunar distance". To make a comparison, the moon is 238,900 miles away on average.

It will be the second time this week that an asteroid flies by us because on Tuesday, an asteroid passed the Earth within 114,000 miles, which is about hallway to the moon in distance.

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Surprisingly, it is not the first asteroid to pass by this week.

Neither asteroid poses a threat to Earth.

Asteroids this size don't often come this close to Earth but it is not unheard of.

In the meantime, astronomers are looking out for asteroids in the far cosmic reaches. They are using several partner telescopes for this cause.

Recently NASA announced that two small potentially hazardous asteroids would zoom past earth in close flyby within a week.

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