Natural objects found outside of the Earth's atmosphere, such as planets, stars, moons, comets, meteors and asteroids, are some of the heavenly bodies in space. It is believed that there are other forms of heavenly bodies or objects in space that are yet to be discovered and explored.Know More
Heavenly bodies are anything that are in the observable universe, bound together by gravity and are associated with their own positions in space. They are also called astronomical or celestial bodies, with celestial meaning "an inhabitant of heaven."
Interestingly, most heavenly bodies, especially the planets and natural satellites in the Solar System, are named after Roman gods. Ancient civilization also used to worship these celestial bodies, particularly the sun and the moon.Learn more about Astronomy
Some planets have more moons than others because they are larger and made of gas rather than solids. Large gaseous planets such as Mercury, Earth, Venus and Mars have the greatest number of moons in their orbital fields because of their size, which facilitates gravitational pull, and their gaseous composition.Full Answer >
The first person to theorize that the planets revolve around the sun was Aristarchus of Samos, a Greek astronomer and mathematician who lived in the third century B.C. His theory conflicted with the dominant geocentric models of the time, and it was not widely accepted.Full Answer >
The sun and planets follow the ecliptic, an imaginary plane in the celestial sphere tilted approximately 23.5 degrees relative to the celestial equator. Earthbound observers see the sun and planets move along the ecliptic arc, rising up from the east and setting in the west.Full Answer >
Saturn has no surface and is a giant ball of gas that is mainly made up of helium and hydrogen, while the atmosphere of the planet also consists of the same gases. A handful of unmanned missions that have visited Saturn throughout history show that the planet has no surface to land on and is not capable of supporting living things.Full Answer >