An asteroid classed by astronomers as "potentially hazardous" is due to make a relatively close—but safe—approach to Earth next week.
The space rock, called 138971 (2001 CB21), is estimated to be up to 3,940 feet in diameter, making it significantly bigger than the tallest building in the world, the Burj Khalifa in Dubai, which stands at around 2,720 feet.
First quadruple asteroid found hiding in plain sight
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Microscopic view on asteroid collisions could help us understand planet formation
Their study, published in Communications Earth & Environment , looked at how minerals within the meteorite were damaged by different impacts over time, meaning they could identify the biggest and oldest events that may have been involved in planetary formation.
"Meteorite impact ages are often controversial: our work shows that we need to draw on multiple lines of evidence to be more certain about impact histories—almost like investigating an ancient crime scene," said Craig Walton, who led the research and is based at Cambridge's Department of Earth
Strange Glass Balls Found on Moon Hint at Asteroid Impact
China has discovered semi-transparent glass balls on the surface of the moon, and they're thought to be the result of ancient asteroid impacts.
The glass balls were spotted by China's Yutu-2 lunar rover, which landed on the far side of the moon in January, 2019 as part of the Chang'e 4 mission .
Science in a Minute: Asteroid 16 Psyche May Not be as Rich in Iron as Thought
Brown and Purdue University researchers say they found evidence that an asteroid, thought to have unusually high iron content, may not have as much of the metal as thought.
Video: Only A Rocket Full of Lars Ulrich's Deuce Can Save Earth From a Giant Asteroid |
The video comes from 66Samus , the musical genius who made us think about how drummer knock on doors and how AC/DC would sound if drummed with dildos .
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