Sc-5th-Ch 13-Rev

group of billions of stars united by gravity

• Milky Way

• galaxy

• nebulae

• planet

clouds of gas and dust in space

• Milky Way

• galaxy

• nebulae

• planet

spherical-shaped celestial body that goes around a star in its own orbit

• Milky Way

• galaxy

• nebulae

• planet

galaxy to which our solar system belongs

• Milky Way

• galaxy

• nebulae

• planet

star and the celestial bodies that go around it

• comet

• solar system

• star

• sunspots

enormous spheres of hydrogen and helium gas

• comet

• solar system

• star

• sunspots

regions of the sun that are dark because the temperature is lower around them

• comet

• solar system

• star

• sunspots

object made of frozen gases, rock, ice, and dust that moves around the sun

• comet

• solar system

• star

• sunspots

everything that exists in space and time

• asteroids

• meteor

• universe

• constellations

rocky or metallic objects that orbit our sun

• asteroids

• meteor

• universe

• constellations