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The position of comet C/2023 A3 in August and September 2024 with the expected apparent magnitudes. The comet is located in the constellation Leo between the two stars 55 and 57 Leonis about six degrees south of the ecliptic at the beginning of August and then moves towards the constellation Sextans. With increasing apparent brightness, it ...
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 will become ...
Since its discovery, magnetic north has drifted away from Canada and toward Russia. By the 1940s, magnetic north had moved northwest from its 1831 position by about 250 miles (400 kilometers).
Its current distance from the actual Geographic South Pole is approximately 2,860 km (1,780 mi). [1] The nearest permanent science station is Dumont d'Urville Station . While the north magnetic pole began wandering very quickly in the mid 1990s, the movement of the south magnetic pole did not show a matching change of speed.
They expect that in the future, the magnetic pole position will be obtained from satellite data instead of ground surveys. [ 17 ] This general movement is in addition to a daily or diurnal variation in which the north magnetic pole describes a rough ellipse, with a maximum deviation of 80 km (50 mi) from its mean position. [ 18 ]
Solar System space probes operational as of November 2024. This is a list of active space probes which have escaped Earth orbit.It includes lunar space probes, but does not include space probes orbiting at the Sun–Earth Lagrangian points (for these, see List of objects at Lagrangian points).
[35] [36] The spacecraft is heading in the direction of the constellation Scutum near the current position (June 2024) RA 18h 54m dec-8° 46' , close to Messier 26. In 928,000 years, it will pass within 0.25 parsecs (0.82 light-years ) of the K dwarf TYC 992-192-1 [ 37 ] and will pass near the star Lambda Aquilae in about four million years.
The history of longitude describes the centuries-long effort by astronomers, cartographers and navigators to discover a means of determining the longitude (the east-west position) of any given place on Earth. The measurement of longitude is important to both cartography and navigation.