A NEO (near-Earth object) is an asteroid or comet that comes within 50 million kilometers (30 million miles) of Earth’s orbit. They are the objects that represent a possible danger to the Earth. NEOs consist of NEAs (near-Earth asteroids) and NECs (near-Earth comets). There are far more NEAs than NECs; according to NASA as of 2022, more than
NASA effort to bring home asteroid rocks will end this weekend in triumph or a crash. This mosaic composed of images of the asteroid Bennu taken by the OSIRIS-REx spacecraft shows its surprisinglyThe asteroid, dubbed 2023 BU, was only 2,200 miles above the Earth's surface when it passed over South America's southern edge at 7:27 p.m. ET, NASA says. Space Look up!
By Alan Boyle, Science Editor. A big asteroid sailed past Earth last month, and astronomers haven't yet totally excluded the possibility that it'll hit us when it comes around in 2032. If the past
3. 2023 TL4. The orbital path of asteroid 2023 TL4, showing where it intersects with Earth's orbit. (Image credit: NASA/ JPL) Size: 0.20 mile (0.33 kilometer) Mass: 47 million tons (43 million
There are a further three asteroids predicted to pass between 1 and 5 million miles from the Earth in the next few days, ranging in size from that of a car to that of the Statue of Liberty.OaFx.