What Is a Satellite Galaxy?

What does the Milky Way galaxy primarily consist of?

• Hundreds of billions of stars

• Planets and moons

• A single massive star

• A few thousand stars

What are satellite galaxies?

• Galaxies that orbit planets

• Stars orbiting the Milky Way

• Galaxies orbiting the Milky Way

• Moons orbiting the Milky Way

Which is the largest satellite galaxy of the Milky Way?

• The Andromeda Galaxy

• The Sagittarius Dwarf Spheroidal Galaxy

• The Canis Major Dwarf Galaxy

• The Large Magellanic Cloud

How far is the Sagittarius Dwarf Spheroidal Galaxy from the Milky Way center?

• 163,000 light-years

• 25,000 light-years

• 50,000 light-years

• 100,000 light-years

What is the estimated distance of the Canis Major Dwarf Galaxy from our solar system?

• 100,000 light-years

• 50,000 light-years

• 163,000 light-years

• 25,000 light-years

Why do some scientists doubt the Canis Major cluster is its own galaxy?

• Because it is too far from the Milky Way

• Because it is a dense area of stars still part of the Milky Way

• Because it does not orbit anything

• Because it lacks stars

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