The Geminid meteor shower, characterized by bright, slow-moving meteors, is distinct as its parent body is identified as the asteroid 3200 Phaethon, unlike most meteor showers which originate from ...

At least two ingredients are needed to make jets — rotation and magnetic fields — and these produce the ubiquitous laserlike jets we see.

Bennu is a roughly 0.3-mile-wide (500 meters) asteroid that orbits in near-Earth space. Scientists suspect it’s a chunk of a larger asteroid that broke off due to a collision farther out. Telescope ...

Comet 24P/Schaumasse is presented as an observable target, estimated at 12th magnitude, situated in the vicinity of Leo the Lion. Optimal viewing for Comet 24P/Schaumasse is specified for ...

Karl Schwarzschild's 1916 solution to Einstein's field equations of general relativity predicted the existence of black holes, characterized by an event horizon where even light cannot escape. Cygnus ...

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Primordial nucleosynthesis during the early universe generated hydrogen, helium, and minor lithium-7 before the cosmos cooled, halting further fusion. Stellar interiors synthesize elements up to iron ...

Use the Big Dipper to locate Polaris, the North Star. Orion's belt helps find other bright stars like Sirius. Follow the Big Dipper's handle to find Arcturus and Spica. The Summer Triangle is formed ...

Black holes are regions of spacetime with gravity so strong that nothing escapes. Black holes grow by consuming nearby matter, slowing their eventual evaporation. Hawking radiation causes black holes ...

The International Astronomical Union (IAU) voted on August 24, 2006, at its General Assembly in Prague, to reclassify Pluto, removing its status as a full-fledged planet after contentious debate. The ...

September offers various celestial events, including Saturn and Neptune's oppositions, Mars's approach to solar conjunction, and favorable viewing of Uranus and Jupiter. Multiple transits of Saturn's ...