Lesson 7 complete vocab flashcard

Front

Nearly round bodies whose orbits cross others.

Back

dwarf planet

Front

Huge balls of hot, glowing gases that produce their own heat and light.

Back

star

Front

Meteoroids that reach Earth's surface

Back

meteorites

Front

Luminosity of a star as seen from Earth.

Back

apparent brightness

Front

A star and its revolving planets and space objects.

Back

solar system

Front

A chunk of frozen gases, rock, ice, and dust.

Back

comet

Front

Everything that exists

Back

Universe

Front

Movement in a circle around an axis

Back

rotation

Front

Planets farthest from the sun

Back

outer planets

Front

Study of space objects and their traits.

Back

astronomy