2025年1月27日 · 2024 YR 4 is an asteroid between 40 and 100 metres (130 and 330 ft) in diameter, classified as an Apollo-type (Earth-crossing) near-Earth object.It was discovered by …

4 天之前 · Asteroid 2024 YR4 is now rated at Level 3 on the Torino Impact Hazard Scale: a close encounter that warrants attention from astronomers and the public. It is important to remember …

15 小时之前 · Preparing for asteroid 2024 YR4. Astronomers will soon switch to more powerful telescopes to track 2024 YR4 as it dims. They aim to collect enough measurements to refine …

6 天之前 · Asteroid 2024 YR4 swept into the view of the ATLAS asteroid impact early warning system – with telescopes in Hawaii, Chile and South Africa – on December 25, 2024. As of …

4 天之前 · Asteroid 2024 YR4 was first reported on Dec. 27, 2024, to the Minor Planet Center– the international clearing house for small-body positional measurements – by the NASA-funded …

2 天之前 · Named 2024 YR4, the asteroid has a 1.2% chance of hitting our planet on December 22, ... If 2024 YR4 disappears from view before space agencies can entirely rule out any …

3 天之前 · Asteroid 2024 YR4’s rating of 3 is the second-highest an asteroid has ever reached. The only asteroid ranked higher was Apophis, discovered in 2004 and rated 4, but …

4 天之前 · Researchers say there’s a 1.3 percent chance that the space rock 2024 YR4 could strike our planet — but not until December 2032. By Robin George Andrews Robin George …

3 天之前 · The near-Earth asteroid 2024 YR4, as seen by the European Southern Observatory’s Very Large Telescope in January 2025, shortly after the object was discovered in December …

5 天之前 · The asteroid, dubbed 2024 YR4, was detected by NASA's Asteroid Terrestrial-impact Last Alert System on Dec. 27, 2024. According to researchers , it has about a 1-in-83 chance …