How far away are the most distance stars?

• hundreds of light years
• thousands of light years
• millions of light years
• billions of light years

Scientists organize stars by their _____

• age and size
• age and density
• color and density
• color and size

Stars glow because they create energy through _____

• nuclear fusion
• radiation
• combustion
• chemical reactions

Stars die once they burn through all of the _____ in their core

• helium
• hydrogen
• iron
• carbon

Stars that produce less energy glow _____

• blue
• red
• yellow
• white

The very hottest stars in the universe glow _____

• blue-green
• red-purple
• blue-white
• green-white

Our Sun has a temperature right in the middle, and is a perfect _____

• white hot
• mellow yellow
• fiery red
• mango orange

How many Jupiters could fit inside our Sun?

• about a dozen
• about a hundred
• about a thousand
• about a million

If the largest known star was in our solar system, it would extend past the orbit of _____

• Mars
• Saturn
• Jupiter
• Neptune

Which constellation has two body parts that are made from totally different kinds of stars?

• Aquarius
• Cygnus
• Orion
• Ursa Major