Physics 1.30: 9.1.1 The Universe

Multiple Choice

What type of galaxy is pictured here?

• Spiral galaxy

• Irregular galaxy

• Elliptical galaxy

Multiple Choice

What type of galaxy is pictured here?

• Spiral galaxy

• Irregular galaxy

• Elliptical galaxy

Multiple Choice

What type of galaxy is pictured here?

• Spiral galaxy

• Irregular galaxy

• Elliptical galaxy

Multiple Choice

What is a nebula made up of?

• Many stars, planets, gas, and dust

• Gas and dust

• A star and planets

Multiple Choice

What is a solar system made up of?

• Many stars, planets, gas, and dust

• Gas and dust

• A star and planets

Multiple Choice

What is a galaxy made up of?

• Many stars, planets, gas, and dust

• Gas and dust

• A star and planets

Multiple Choice

What is the approximate distance between the Sun and planets in the solar system?

• Much less than a light-year

• A few light-years

• Hundreds of thousands of light-years

• Millions of light-years

• Hundreds of millions of light-years

Multiple Choice

What is the approximate distance between galaxies at opposite ends of a supercluster?

• Much less than a light-year

• A few light-years

• Hundreds of thousands of light-years

• Millions of light-years

• Hundreds of millions of light-years

Multiple Choice

What type of electromagnetic wave is used to study quasars?

• Ultraviolet wave

• X-ray

• Radio wave

• Microwave

• Gamma ray

Multiple Choice

What type of electromagnetic wave is used to study the formation of black holes?

• Ultraviolet wave

• X-ray

• Radio wave

• Microwave

• Gamma ray