Astronomy Vocabulary (Grade 8)
Use the word bank below to fill in the vocabulary terms.
telescope, planet, meteor, moon, solar system, satellite, parallax, astronaut, galaxy, space, asteroid, comet, constellations, light year, nebula, sun, universe, star
The is all heavenly bodies and space, including our solar system; the cosmos.
is the region beyond Earth's atmosphere.
A/an is a cloud of interstellar (between stars) gas and dust.
The is the collection of planets and their moons, plus smaller bodies, in orbit around the Sun.
are any of the various groups of stars to which definite names have been given.
A/an is an arrangement of lenses and mirrors that gathers and magnifies visible light to aid in observing distant objects.
The apparent faster motion of objects closer to us when compared with the apparent slower motion of objects farther away is called .
A/an person trained to travel in spacecraft.
A/an is a heavenly body that orbits a planet or smaller body, called its primary.
A/an is a spherical, heavenly body in orbit around the sun that is sufficiently far from other objects.
The is the star that is the central body of the Solar System.
A small, rocky body orbiting the Sun is called a/an .
Small body of matter from outer space that enters Earth's atmosphere and briefly appears as a streak of light is called a/an .
A natural or man-made object in orbit around Earth or another planet is called a/an .