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Bookmark or Share- What Is a Comet? | NASA Space Place – NASA Science for KidsA comet has two tails that get longer the closer it gets to the Sun. Both tails are always directed away from the Sun. The ion tail (blue) always points directly away from the Sun, while the dust tail (yellow) points away from the Sun in a slightly different direction than the ion tail.
- Comet - WikipediaA comet is an icy, small Solar System body that warms and begins to release gases when passing close to the Sun, a process called outgassing. This produces an extended, gravitationally unbound atmosphere or coma surrounding the nucleus, and sometimes a tail of gas and dust gas blown out from the coma.
- Comets - NASA ScienceComets are cosmic snowballs of frozen gases, rock, and dust that orbit the Sun. When frozen, they are the size of a small town. 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 ...
- How to See the Bright Comet Flaring Up in the Night Sky This WeekThe comet, called Tsuchinshan-ATLAS, or Comet C/2023 A3, was discovered last year and may offer viewers a once-in-a-lifetime sighting before potentially making a comeback in another 800...
- Comet Tsuchinshan-ATLAS is still visible in the night sky, but not for ...The dazzling Comet Tsuchinshan-ATLAS is emerging in the night sky: How to see it Astronomers just discovered a comet that could be brighter than most stars when we see it next year. Or will it?
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