Earth Space Science Semester 1 Module 1 Test

A naturally formed, unevenly shaped, rocky or metallic body in the solar system that is too small to hold an atmosphere

Average distance between the earth and the sun, approximately 149.5 million kilometers

A magnetic storm in the earth's atmosphere that appears as bands of light in the sky

Currently accepted theory of the origin of the universe, stating that all matter in the universe was once compressed into an infinitely dense point and then expanded in all directions

An object formed by the collapse of a large star in space with gravity so great that not even light can escape its pull

A small, irregularly shaped body of solid ice, rock, and iron that orbits the sun in a highly irregular orbit

A region of the sky, usually containing a group of stars thought to form a figure

Waves with electric field and magnetic field components that travel at the speed of light in a vacuum

A star with a radius similar to or smaller than the earth's sun

The joining of two atoms to form a more massive one

A star with a radius between 10 and 100 times that of Earth's sun

The distance that light travels in one year, equal to about 9.5 trillion kilometers

Event during which the earth comes between the moon and the sun, casting a shadow across the moon

The streak of light in the sky resulting from the intense heating of a meteoroid in a narrow channel in Earth's upper atmosphere

A small piece of rock or metal moving through the solar system