2 天之前 · That's why scientists aren't too concerned – yet – about an asteroid spotted late in 2024 that poses the single biggest impact threat to Earth in two decades.. Estimated to be about 130 to 300 ...

2 天之前 · The dashboard displays the next five Earth approaches to within 4.6 million miles (7.5 million kilometers or 19.5 times the distance to the moon); an object larger than about 150 meters that can approach the Earth to within this distance is termed a potentially hazardous object.

2025年1月30日 · An artist's impression of an asteroid approaching Earth. Asteroids are rocky, airless bodies left over from the formation of the solar system some 4.6 billion years ago.

2 天之前 · Since December, astronomers have been carefully studying whether an asteroid between 130 and 300 feet long will impact the Earth in just under eight years. And the odds, overall, seem to be rising ...

2025年2月3日 · On 27 December last year, astronomers using the ATLAS survey telescope in Chile discovered a small asteroid moving away from Earth. Follow up observations have revealed that the asteroid, 2024 YR4, is on a path that might lead to a collision with our planet on 22 December 2032.

2025年1月31日 · The asteroid’s closest approach to Earth, it turned out, had been two days earlier, when YR4 was about 800,000 kilometers from our planet, roughly twice as far away as the moon. “It was ...

2024年5月10日 · In just under half a decade, a 1,000-foot-wide (305-meter-wide) asteroid named after the Egyptian god of chaos and destruction, Apophis, will pass within 30,000 miles (48,300 kilometers) of...

2024年11月13日 · The asteroid, named 2024 VX3, is forecast to skim past the Earth at a distance of 92,100 miles Wednesday evening, bringing it much closer to us than the moon's 238,900-mile orbit.