Astronomy Quiz 02

Which of the following celestial objects is typically the smallest?

• star

• moon

• nebula

• planet

Answer explanation

Here is a resource that may be helpful:

https://ck12.co/WUcS0

Tags

NGSS.MS-ESS1-3

What do nebulae and stars have in common?

• They are primarily made of gases.

• They are smaller than solar systems.

• Their energy comes from nuclear fusion.

• There is at least one in every solar system.

Answer explanation

Here is a resource that may be helpful:

https://ck12.co/xZg7F

 

Choose the correct ranking of celestial objects, from largest to smallest. (Note: This symbol > means “greater than.”)

• Nebula > Planet > Star > Galaxy

• Galaxy > Nebula > Star > Planet

• Nebula > Galaxy > Star > Planet

• Star > Planet > Galaxy > Nebula

Answer explanation

Here is a resource that may be helpful:

https://ck12.co/WUcS0

Tags

NGSS.MS-ESS1-3

Which of the following is the most accurate number to use to describe the number of stars in a typical galaxy?

• Thousands

• Millions

• Billions

• Infinite

Answer explanation

Here is a resource that may be helpful:

https://ck12.co/R8VR

Which celestial object is largest in size?

• Milky Way

• Jupiter

• Sun

• Eagle nebula (which contains the Pillars of Creation)

Answer explanation

Here is a resource that may be helpful:

https://ck12.co/WUcS0

Tags

NGSS.MS-ESS1-3

The Hubble Space Telescope has sent back amazing images of nebulae, including the Horsehead Nebula and the Ring Nebula. What is a nebula?

• a distant galaxy

• an ice field around outer planets

• an interstellar cloud of dust, hydrogen gas, helium gas and other ionized gases

• a meteor shower

Answer explanation

Here is a resource that may be helpful:

https://ck12.co/3tiJ

Which of the following is not a type of galaxy?

• nebular

• irregular

• elliptical

• spiral

Answer explanation

Here is a resource that may be helpful:

https://ck12.co/HVe9

Astronomers tell us that our galaxy is which type of galaxy?

• lenticular galaxy

• barred spiral galaxy

• elliptical galaxy

• irregular galaxy

Answer explanation

Here is a resource that may be helpful:

https://ck12.co/5KNj

Which of the following is true of orbiting objects?

• Stars orbit around planets.

• Planets orbit around moons.

• Stars orbit around nebulae.

• Moons orbit around planets.

Answer explanation

Smaller celestial objects orbit around larger ones.

Tags

NGSS.MS-ESS1-2

NGSS.MS-PS2-4

Which statement is true about celestial objects?

• Galaxies are part of solar systems.

• Planets turn into nebulae.

• Galaxies have many stars.

• Solar systems have many stars.

Answer explanation

Solar systems are part of galaxies. Nebulae are star nurseries that lead to the formation of stars and solar systems. Solar systems usually have only one or two stars.