Comets by Ensign February 20, 2021 0 Small bodies composed of ice and rock in various orbits about the sun.
Compound Telescope by Ensign February 20, 2021 0 A telescope with a mirror in the back and a lens in the front. The most popular designs are the ...
Conjunction by Ensign February 20, 2021 0 A configuration in which two celestial bodies have their least apparent separation.
Constellation by Ensign February 20, 2021 0 A distinctive pattern of stars used informally to organize a part of the sky. There are 88 official constellations, which ...
Corona by Ensign February 20, 2021 0 The outer part of the Sun's atmosphere. The corona is visible from Earth during a total solar eclipse. It is ...
Cosmic Ray by Ensign February 20, 2021 0 Atomic nuclei (mostly protons) that are observed to strike the Earth's atmosphere with extremely high amounts of energy.
Cosmic String by Ensign February 20, 2021 0 A tube-like configuration of energy that is believed to have existed in the early universe. A cosmic string would have ...
Cosmogony by Ensign February 20, 2021 0 The study of celestial systems, including the Solar System, stars, galaxies, and galactic clusters.
Cosmology by Ensign February 20, 2021 0 A branch of science that deals with studying the origin, structure, and nature of the universe.