资讯

English astronomer Edmond Halley first predicted the comet’s recurring orbit in 1705. Halley identified a pattern of comets that had approached Earth in 1531, 1607 and 1682, and predicted it ...
Two minor meteor showers — the Southern Delta Aquariids and Alpha Capricornids — peak overnight on July 29-30, making it a ...
Halley’s Comet isn’t just a spectacular sight; it’s also a remarkable object in terms of its physical traits. The comet's nucleus is covered in craters and has an irregular shape, measuring roughly 9 ...
More Halley's Comet. Getty. Did you see Halley’s comet when it was last in our inner Solar System in 1986? One of, if not the, most famous comet of all, its trip around the Sun 36 years ago left ...
Last seen in the inner solar system in 1986, Halley’s comet—essentially a giant snowball of ice, rock and dust—enters the inner solar system every 75 years, slightly melting and leaving ...
On July 1, 2025, the Asteroid Terrestrial-impact Last Alert System (ATLAS) survey telescope, located in northern Chile, ...
Halley’s Comet is the most famous of the short-period comets, which are comets that complete their eccentric orbits in 200 years or less. It’s the only short-period comet that’s visible to ...
Halley's Comet (a celestial body made of dust, ice, and rock that orbits the sun) is a short-period comet that is consistently visible to the naked eye from Earth, appearing every 72–80 years.
The newly discovered space rock may be older than our entire solar system, and you may get the chance to see it ...
IN view of the approaching return of Halley's comet, the Aquarid meteor shower of May ought to be awaited with special interest. We know comparatively little of this system, as it has been seldom ...
AN exhaustive discussion of the phenomena of Halley's comet and its envelopes, based on the examination of a large number of photographs taken at the Lick Observatory, at its Chile station, and at ...