On the afternoon of June 28, the asteroid 2013 WV44, more than 90 m long and moving at a speed of 11.8 km/s, flew by but did not touch the Earth..
NASA’s Center for Near-Earth Object Studies has been tracking this asteroid for 10 years. Researchers have since calculated that the asteroid will pass by Earth at a distance of 3.3 million kilometers on June 28, at 4 a.m. ET or 3 p.m. Vietnam time. Compared to the size of the solar system, this distance is considered very close.
Meteors keep flying past Earth
Meteors constantly pass near Earth, but researchers estimate that there will be no impact for at least the next 1,000 years. (Photo: Ƥixabay).
A rare asteroid seriously threatens the Earth, like and cause a mass extinction, but there is always the risk of dangerous situations in the future. That’s why agencies like the US Space Agency (NASA) and the European Space Agency (ESA) spend a lot of time and money tracking asteroids in space.
Even last year, NASA tested one in case it crashed on Earth, called DART. The test, which saw a spacecraft crash into an asteroid, changed the direction of the object, and engineers are now refining the system to increase efficiency even further.
“A relatively small number of objects large enough and close enough to Earth to warrant close observation”, says ƝASA. However, over time, the planets’ gravity can alter an object’s orbit and cause its orbit to collide with Earth, so there is always a risk of future collisions.
The agency also lists asteroids more than a kilometer near Earth, having recorded nearly 1,000 asteroids so far, or about 95% of the total. It is estimated that within the next 1,000 years, none of these asteroids will reach Earth. The asteroid with the highest risk of impact is 1994 PC1is about a kilometer wide and has 0.00151% collision risk.
Article Source: Zing
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On June 28, the asteroid 2013 WV44, more than 90m long and moving at a speed of 11.8km/s, flew by but did not touch Earth. Center…