Comets as a research area encompass the multidisciplinary study of small icy bodies in the Solar System, focusing on their composition, physical properties, dynamics, and role in planetary system formation and evolution. This field integrates observational astronomy, spectroscopy, celestial mechanics, laboratory astrophysics, and space mission data to characterize volatile and refractory components, dust-gas interactions, nucleus structure, coma and tail formation, and outgassing processes. Research addresses orbital evolution, non-gravitational forces, and reservoirs such as the Kuiper Belt and Oort Cloud, with implications for understanding primordial Solar System materials, delivery of volatiles and organics to terrestrial planets, and comparative planetology.
The Orionids—one of two annual meteor showers from Halley's comet—peak early Monday. A bright waning moon may make them difficult to spot.
Space Exploration
Oct 17, 2024
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October's supermoon is the closest of the year and it's teaming up with a comet for a rare stargazing two-for-one.
Planetary Sciences
Oct 16, 2024
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Less than a week after the northern lights dazzled observers across California, stargazers are in for another treat.
Space Exploration
Oct 16, 2024
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The human mind may find it difficult to conceptualize: a cosmic cloud so colossal it surrounds the sun and eight planets as it extends trillions of miles into deep space.
Astronomy
Oct 14, 2024
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The ESA (European Space Agency) and NASA Solar and Heliospheric Observatory (SOHO) have captured images of the second-brightest comet to ever pass through its field of view during the spacecraft's nearly 29-year career.
Astronomy
Oct 14, 2024
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39
Prepare to spot a rare, bright comet. The space rock is slinging toward Earth from the outer reaches of the solar system and will make its closest pass on Saturday. It should be visible through the end of October, clear skies ...
Space Exploration
Oct 9, 2024
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122
Inspired by the half-human, half-horse creatures that are part of Ancient Greek mythology, the field of astronomy has its own kind of centaurs: distant objects orbiting the sun between Jupiter and Neptune. NASA's James Webb ...
Astronomy
Oct 2, 2024
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101
Stargazers will have the chance to spot what could be the most impressive comet of the year over the coming weeks.
Astronomy
Sep 30, 2024
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A comet is expected to risk having its tail clipped on Friday by flying perilously close to the sun, promising fireworks next month should it survive the fraught flypast.
Space Exploration
Sep 28, 2024
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