MP1 Week 3 Cosmos 2022

A large celestial body that is composed of gas and that emits light is known as a -

• star

• black hole

• element

• big bang

A collection of stars, dust, and gas bound together by gravity is known as a -

• Nebula

• Galaxy

• Universe

• Protostar

Which of the following components is the largest?

• star

• universe

• cluster

• galaxy

The shape of our Milky Way galaxy can be classified as ____________.

• Spiral
• Elliptical
• Irregular
• Regular

Which of these correctly identifies different objects in the universe according to their size and composition?

• A nebula is larger than a galaxy

• a solar system contains many stars

• a galaxy contains many solar systems

• a galaxy is bigger than a universe

Why do other stars appear so much smaller than the sun?

• They are much smaller
• They are so far away
• They are not as bright
• They are dwarf stars

Tags

NGSS.5-ESS1-1

What is the name of the gas and dust clouds that form stars?

• Nebula

• Protostars

• Supernova

• Neutron Star

Circle a star that is brighter and hotter than the Sun.

Using the HR Diagram, identify the star that is slightly brighter and slightly cooler than Rigel.

Which color stars are the hottest?