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C/2024 G3 (ATLAS) is a partially disintegrated non-periodic comet, which reached perihelion on 13 January 2025, at a distance of 0.09 AU (13 million km) from the Sun. Dubbed the Great Comet of 2025 , it is currently the brightest comet of 2025, [ 6 ] with an apparent magnitude reaching −3.8 on the day of its perihelion. [ 5 ]
Astronomers are anticipating the appearance of a “new star” triggered by an explosive event that could appear in the night sky anytime between now and September. ‘Once-in-a-lifetime ...
The object orbits the Sun but makes slow close approaches to the Earth–Moon system. Between 29 September (19:54 UTC) and 25 November 2024 (16:43 UTC) (a period of 1 month and 27 days) [4] it passed just outside Earth's Hill sphere (roughly 0.01 AU [1.5 million km; 0.93 million mi]) at a low relative velocity (in the range 0.002 km/s (4.5 mph) – 0.439 km/s [980 mph]) and became temporarily ...
The fastest asteroid to pass within 1 LD of Earth in 2024 was 2024 CH 4 that passed Earth with a velocity with respect to Earth of 24.01 km/s (53,700 mph), [4] while the slowest bypass within lunar distance was that of 2024 VO at a velocity with respect to Earth of 3.08 km/s (6,900 mph). [5]
The chances of asteroid 2024 YR4’s odds of colliding with Earth in 2032 have dropped to nearly zero, thanks to new observations of the space rock. The riskiest asteroid on record now has near ...
According to Nasa's Center for Near-Earth Object Studies, Asteroid 2024 YR4 has fallen off the Torino scale after recent observations. The impact probability dropped to 0.0017% or 1-in-59,000 odds ...
The star, whose mass is roughly half that of the Sun, is currently 62 light-years from the Solar System. It was first noticed in 1999 using data from the Hipparcos satellite, and was estimated to pass less than 1.3 light-years (0.40 pc) from the Sun in 1.4 million years. [ 73 ]
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