AV4-LESSON 4

What did Galileo observe on the moon?

• ice

• mountains

• astronauts

Who discovered the planet Uranus?

• Issac Newton

• William Herschel

• Edwin Hubble

What did Hans Wolter invent?

• the reflecting telescope

• the X-ray telescope

• the refracting telescope

Which of these planets have rings?

• Saturn and Uranus

• Saturn and Neptune

• Saturn, Jupiter, Uranus, and Neptune

Which planet has a day that is 10 hours, 47 minutes?

• Mercury

• Saturn

• Jupiter

Which planet is the hottest?

• Venus

• Mars

• Earth

Which planet is the coldest?

• Jupiter

• Neptune

• Uranus