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- Comet - Wikipedia
These phenomena are due to the effects of solar radiation and the outstreaming solar wind plasma acting upon the nucleus of the comet Comet nuclei range from a few hundred meters to tens of kilometers across and are composed of loose collections of ice, dust, and small rocky particles
- Comets - Science@NASA
When a comet's orbit brings it close to the Sun, it heats up and spews dust and gases into a giant glowing head larger than most planets The dust and gases form a tail that stretches away from the Sun for millions of miles
- 彗星（太阳系中的一类小天体）_百度百科
彗星（Comet）是太阳系中一种小天体，由冰、尘埃和其他化合物组成。 当彗星靠近太阳时，表面物质蒸发，形成具有长尾的光辉体，通常可以用肉眼观测到。
- Comet | Definition, Composition, Facts | Britannica
Comet, a small body orbiting the Sun with a substantial fraction of its composition made up of volatile ices Comets are among the most-spectacular objects in the sky, with their bright glowing comae and their long tails
- Interstellar comet glows in new X-ray images ahead of Earth flyby | CNN
Interstellar comet 3I ATLAS will make its closest approach to Earth on Friday New X-ray images could shed light on its composition
- Latest Comet 3I ATLAS news: Comet close approach today
Comet 3I ATLAS will approach within 168 million miles (270 million kilometers) of Earth when it makes its close flyby on Dec 19 You can watch comet 3I ATLAS's flyby live online in a free webcast
- Comet 3I ATLAS reaches closest point to Earth: How to see it on Friday . . .
Comet 3I ATLAS, the third interstellar object ever detected, reached its closest point to Earth overnight from Thursday to Friday (Dec 18 to 19), and it remains in a good viewing position tonight
- Interstellar comet 3I Atlas makes closest approach to Earth | AP News
Interstellar comet keeps its distance as it makes its closest approach to Earth This image, provided by NASA, shows the interstellar comet 3I Atlas captured by the Hubble Space Telescope on Nov 30, 2025, about 178 million miles (286 million kilometers) from Earth
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