Components of the Universe

What is composed of many of stars, planets and interstellar gas and dust?

• Protostar

• Nebula

• Galaxy

• Super Nova

Which two elements are stars mostly made of?

• Sodium and Chlorine

• Oxygen and Hydrogen

• Hydrogen and Helium

• Helium and Carbon

Galaxies can be classified into all of the different types EXCEPT-

• Spiral

• Elliptical

• Irregular

• Crescent

This galaxy can be classified as a(n)-

• irregular

• elliptical

• spiral

• oblong

This galaxy can be classified as a(n)-

• irregular

• elliptical

• spiral

• oblong

This galaxy can be classified as a(n)-

• irregular

• elliptical

• spiral

• oblong

Stars and other matter in the universe are held together by-

• inertia

• gravity

• mass

• magnetism

Stars spend most of their lifetime in which stage?

• Neutron Star

• Red Giant

• White Dwarf

• Main Sequence

Large celestial bodies composed of gas that emit light are called-

• stars

• planets

• solar systems

• galaxies

What is the correct order in size from largest to smallest of the components of the universe?

• galaxy, universe, solar system, planet, star

• planet, star, solar system, galaxy, universe

• universe, galaxy, solar system, star, planet

• star, planet, galaxy, universe, solar system