Page 132 - BenchMark_4-2

Looking into Space

What Are Stars?

You can see the stars when you look up into the

night sky. Stars are balls of hot, bright gas. The

brightest and hottest stars are called blue giants. The

yellow and red stars are cooler stars. They don’t shine

as brightly as the blue giants. Check

Which color star is the hottest?

□ Red □ Yellow □ Blue

Unit 4 | Looking into Space