The Brief. The asteroid measured between 1.6 and 4 feet. It burned up after entering Earth’s atmosphere over Siberia in Russia. This is the fourth asteroid to enter Earth’s atmosphere in 2024.

the asteroid impacted Earth’s atmosphere while traveling roughly 17.6 kilometers per second. A comet or asteroid entering the Earth’s atmosphere in an illustration. Image source: Aliaksandr ...

YR4 is a tailor-made asteroid for planetary defense efforts — it has everything it takes to get our attention." ...