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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 ]
English: The Precession of the Equinoxes was first described by the Greek astronomer Hipparchus who lived between 190-120 BC. The precession of the equinoxes is a cycle where in the March Equinox moves very slowly through the Zodiac constellations of the Ecliptic and takes an estimated 26,000-years to come around full circle.
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 ...
Nasa has released a new map showing the path along the US – stretching from Texas to Maine – from where the total solar eclipse will be visible on 8 April 2024.. The rare cosmic event will be ...
C/2024 S1 (ATLAS) (previously had the temporary designation A11bP7I) was a sungrazing comet that was discovered from the ATLAS–HKO in Hawaii on 27 September 2024. The comet passed its perihelion on 28 October 2024, at a distance of about 0.008 AU (1.2 million km; 0.74 million mi) from the barycenter of the Solar System, [ 1 ] and disintegrated.
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The May 2024 solar storms reached a peak Dst index of −412 nT at 03:00 UTC on 11 May. [ 20 ] The A p -index of 11 May 2024 was 271, higher than the A p -indexes of 13 and 14 March 1989, significantly higher than the A p -indexes of 29 and 30 October and 20 November 2003, and the second-highest ever recorded, after the A p -index of 13 ...
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