Astronomy Vocab Practice #2

the name of our galaxy, a spiral galaxy that contains about 400 billion stars

• Sun

• Orbit

• Celestial body

• Milky Way Galaxy

The path of an object as it revolves around another object in space

• Sun

• Orbit

• Celestial body

• Milky Way Galaxy

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

A ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion, that lights up and is held together by gravity

• Sun

• Orbit

• Celestial body

• Milky Way Galaxy

a natural object in space, such as the sun, moon, a planet, or a star.

• Sun

• Orbit

• Celestial body

• Milky Way Galaxy

Tags

NGSS.MS-ESS1-1

NGSS.MS-ESS1-2

spiral, elliptical, irregular

• Galaxy

• Big Bang

• Telescope

• Types of Galaxies

• Star

The initial explosion that resulted in the formation and expansion of the universe

• Galaxy

• Big Bang

• Telescope

• Types of Galaxies

• Star

Tags

NGSS.HS-ESS1-2

A device built to observe distant objects by making them appear closer

• Galaxy

• Big Bang

• Telescope

• Types of Galaxies

• Star

A collection of stars, dust, and gas bound together by gravity

• Galaxy

• Big Bang

• Telescope

• Types of Galaxies

• Star

Tags

NGSS.MS-ESS1-2

A ball of hot gas, primarily hydrogen and helium, that undergoes nuclear fusion, that lights up and is held together by gravity

• Galaxy

• Big Bang

• Telescope

• Types of Galaxies

• Star

Tags

NGSS.HS-ESS1-1

NGSS.HS-ESS1-3