- Comet - Wikipedia
A 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 These phenomena are due to the effects of solar radiation and the outstreaming solar wind
- Comets - Science@NASA
Comets are cosmic snowballs of frozen gases, rock, and dust that orbit the Sun When frozen, they are the size of a small town
- Interstellar Comet 3I ATLAS: What We Know Now - Sky Telescope
Observations have revealed the comet’s fuzzy coma, hinted at a weird tail, and suggested an ancient history
- 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 Comets can appear at random from any direction as they move in eccentric orbits around the Sun
- What Is a Comet? | NASA Space Place – NASA Science for Kids
What Is a Comet? The Short Answer: Comets are large objects made of dust and ice that orbit the Sun Best known for their long, streaming tails, these ancient objects are leftovers from the formation of the solar system 4 6 billion years ago
- Comets: Everything you need to know | Space
Comets are our cosmic time capsules and can reveal a lot about the early solar system
- What Are Comets | What Does a Comet Look Like - Star Walk
What is a comet? A comet is a space object of ice and dust that orbits the Sun When a comet is in the inner Solar System, it can be seen in the sky as a blurry spot with a tail What are comets made of? Comets are sometimes referred to as “dirty snowballs” because they are composed mostly of ice, rock, gas, and dust left over from the beginning of our Solar System The anatomy of a comet
- Comets: News, features and articles | Live Science
Comets are "snowballs" of ice and dust that formed during the birth of our solar system and have orbited the sun since Live Science brings you the latest comet news, features and articles as
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