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According to @surging news reports, an asteroid will pass by the earth this week, and it is expected to be the largest asteroid close to the earth in 2022.

According to the National Aeronautics and Space Administration (NASA) Center for Near-Earth Object Research,The asteroid, named 1989 JA, is about 1.77 kilometers in diameter.

If the buildings on Earth are used as a reference, this asteroid is twice the size of the Burj Khalifa (the Burj Khalifa), the tallest building in the world.

According to NASA, there are nearly 29,000 near-Earth asteroids in space, but only 878 asteroids over 1 kilometer in diameter, and 1989 JA is one of them.

Frank Marchis, chief scientific officer of the Cosmic Telescope Corporation and senior planetary astronomer at the SETI Institute, revealed,The asteroid traveled at about 48,280 kilometers per hour, 17 times the speed of a bullet in the air.

At this speed, the asteroid could orbit the Earth in 45 minutes.

National Space Administration: my country will start to build a near-Earth asteroid defense system

It is also worth mentioning that, according to previous CCTV news reports, Wu Yanhua, deputy director of the National Space Administration, said,my country will set up a near-Earth asteroid defense system to jointly deal with the threat of near-Earth asteroid impacts and contribute to the protection of the earth and human security.

Wu Yanhua said that at the end of the “14th Five-Year Plan” period or in 2025 and 2026, a certain threatening asteroid will be carried out to conduct both close observation and close impact, and then change its orbit to carry out technical experiments.This will truly make China’s new contribution to the future of human beings to deal with the threat of asteroids and extraterrestrial objects to the Earth’s homeland.

If you need to reprint, please be sure to indicate the source: Fast Technology

Responsible editor: Jian Jiaarticle error correction

Hashtags: nasa asteroid earth universe

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