11 terms

Concept 6.2: Constellations

STUDY
PLAY

Terms in this set (...)

space:
the large, empty part of the universe that does not contain any matter
axis:
an imaginary line that an object spins or revolves around
satellite:
a natural or artificial object that revolves around another object in space
galaxy:
a group of solar systems, dust, and gas held together by gravity
orbit:
the circular path of an object as it revolves around another object
season:
a period of the year determined by the position of Earth as it revolves around the sun
equator:
an imaginary line that divides Earth into Northern and Southern Hemispheres
constellation:
a particular area of the sky; a group of stars
planetoid:
a small planet-like body of rock that orbits a star
magnify:
to make something appear larger, usually by using one or more lenses
hemisphere:
one half of a sphere