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Learn what celestial bodies are, how they are classified and what are some examples of them. Find out the difference between planets and stars, the types of comets, asteroids and meteors, and the galaxies we belong to.
An astronomical object, celestial object, stellar object or heavenly body is a naturally occurring physical entity, association, or structure that exists within the observable universe. In astronomy, the terms object and body are often used interchangeably.
Learn what celestial bodies are, how they are classified and what examples are there in our solar system and beyond. Find out about stars, planets, satellites, comets, asteroids, meteors, galaxies and more.
Explore encounters with comets, meteors, and supernovae. Dive into detailed discussions about galaxies millions of light-years from the Earth or surface features of the Moon. Learn about upcoming asteroid approaches and celestial body happenings and prepare yourself to spot or photograph them all.
Jun 17, 2024 · Learn about the properties and evolution of stars, the self-luminous celestial bodies of gas that shine by radiation derived from their internal energy sources. Compare the Sun with other stars in terms of size, mass, temperature, and brightness.
Learn about the ocean worlds in our solar system and beyond, and how NASA is searching for life beyond Earth. Explore Europa, Titan, and other celestial bodies with NASA's missions and images.
Dec 27, 2009 · Learn what a celestial body is and see five examples of different types of celestial bodies, such as Ceres, Cruithne, Achernar and Apophis. Find out how they are studied, observed and classified by astronomers.
