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Old 03-22-2021, 05:43 AM
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Question 'Potentially hazardous asteroid' to come closest to Earth on Sunday

'Potentially hazardous asteroid' to come closest to Earth on Sunday
By: Doha Madani - NBC News - 03-21-21
Re: https://www.nbcnews.com/science/spac...unday-n1261689

Astronomers were excited to observe a "potentially hazardous asteroid" as it came the closest to Earth it has ever been on Sunday — a mere 1.25 million miles from our planet's atmosphere.

The asteroid, called 2001 FO32, formed at the dawn of our solar system, and it is the largest space rock that is expected to fly by Earth this year, according to NASA. Scientists calculate that the asteroid won't approach this closely again until 2052, offering astronomers a rare chance to observe the prehistoric rock.

"Observations dating back 20 years revealed that about 15% of near-Earth asteroids comparable in size to 2001 FO32 have a small moon," Lance Benner, principal scientist at NASA's Jet Propulsion Laboratory, said in a news release. "Currently little is known about this object, so the very close encounter provides an outstanding opportunity to learn a great deal about this asteroid."

The asteroid was discovered in 2001 when astronomers at the Lincoln Near-Earth Asteroid Research observatory in New Mexico estimated it to be 3,000 feet wide. Scientists were attempting to view the spectrum of light reflecting off the rocky surface using a telescope at the top of Hawaii's Mauna Kea.

Astronomers hoped to record the chemical makeup up of whatever minerals the asteroid contains.

None of the asteroids catalogued by NASA that are similar in size are expected to affect Earth for centuries, and the fly-by expected Sunday was no different. The 2001 FO32 was expected to pass by at about 77,000 mph more than a million miles away before it continues on its orbit.

Report By: Doha Madania news reporter for NBC New
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