Space Vocabulary

the collection of large and small bodies that orbit a star

• galaxy

• solar system

• nebula

• universe

spherical body that orbits the sun

• planet

• moon

• star

• meteorite

large celestial body that is made of gas and emits light

• moon

• planet

• asteroid

• star

large collection of stars, gas, and dust all held together by gravity

• galaxy

• Asteroid belt

• Nebula

• Planetary system

distance that light can travel in a year

• astronomical unit

• hyperspace

• light year

• parsec

space and all the matter and energy in it

• galaxy

• universe

• black hole

• worm hole

the measure of a stars brightness as seen from Earth

• absolute magnitude

• luminosity

• apparent magnitude

• sparkle factor

measure of how bright a star would be if viewed from a standard distance

• absolute magnitude

• apparent magnitude

• luminosity

• color

actual brightness of a star

• glow

• sparkle

• luminosity

• apparent magnitude

large cloud of gas and dust where stars form

• planetary nebula

• stellar nebula

• star nursery

• black hole