A celestial body is any naturally-occurring object that is located beyond the Earth's atmosphere. Celestial bodies in our Solar System include the Moon, the Sun, the other planets and their moons, asteroids, comets, and any other chunks of ice or rocky rubble found within the limits of the Sun's gravitational field such as in the Oort Cloud or Kuiper Belt. Celestial bodies beyond the Solar System include all the different types of stars, exoplanets which are planets around other stars, star clusters, galaxies, galaxy clusters, quasars, nebulae such as from supernova remnants, and black holes.
Learn about all the different kinds of celestial bodies here: what they are, what they're doing, who discovered them, how they've affected the course of human history, how mariners use them to navigate, and how astronomers use them to understand the nature of our Universe.
|What Does An Astronomer Do?
The most basic answer to the question ‘what does an astronomer do?’ is study the universe in conjunction to the planet Earth. In reality, they do so much more....
|Learning About Our Solar System
The celestial bodies in our Solar System are divided into different sections: the inner planets of Mercury, Venus, Earth and Mars separated by the asteroid belt from the outer planets...
Why Pluto Is No Longer A Planet
Pluto, the ninth planet from our Sun, has been demoted to a 'Dwarf Planet' and more recently reclassified as a "Plutoid". There are several reasons why the IAU has removed...