Earth and the Universe

Is the space and time in which planets, stars, satellites, galaxies and other bodies exist.

• Milky Way

• Solar System

• Universe

Formed by millions of stars, planets, nebulas, and other bodies.

• Galaxies

• Milky Way

• Solar System

Contains our solar system.

• Galaxies

• Milky Way

• Solar system

Our Solar System contains 8 planets.

• False

• True

• I don't know

The Milky Way is a spiral galaxy with arm-like portions that wrap around a central nucleus.

• False

• True

• I don't know

Is the distance that light covers in one year.

• Earth-year

• Expanding-year

• Light-year

Democritus, became a pioneer when he suggested that the Milky Way consisted of many stars.

• False

• True

• I don't know

The theory of the expanding universe suggest that the universe is _______ constantly at an accelerating velocity.

• contracting

• expanding

• moving

Is the largest celestial body in our solar system.

• Jupiter

• Saturn

• Sun

Consists mainly of hydrogen, helium, and metals.

• Earth

• Mars

• Sun