Instrument used to view objects in space
Telescope
Ball of hot gas that produces light
star
body that orbits a star, rounded out by gravity, and has a cleared orbit
planet
planets made of mostly rock and have hard surfaces
terrestrial
Which planet looks like earth's moon
Mercury
Distance from the Sun to the Earth
Astronomical unit
a round body that orbits a star but has not cleared its orbit
dwarf planet
a rocky body in space that is smaller that an asteroid
meteoroid
collection of stars and dust and gas held together by gravity
galaxy
Which planet has the tallest mountain (Olympus Mons)
Mars
Rock burning up in Earth's atmosphere
meteor
frozen ball of ice and dust that orbits a star
comet
object that orbits a planet
satellite
ball of gases around a planet
atmosphere
Which planet is the coldest
Uranus
Bowl shaped hole made from the impact on the surface of a planet
Crater
a path one object follows around another object
orbit
force between objects with mass
gravity
a star and all the bodies that orbit it
solar system
Which planet is the windiest
Neptune
Large rocky body that orbits the sun
a rocky body that hits Earth's surface
meteorite
solar system when the Sun is in the center
heliocentric
all of the galaxies and the space around them
universe
Which planet orbits on its side
Uranus