Bell Ringer #48

Name (First and Last)

A scientist who studies the universe and its origins and development is called ________________.

• an astronomer
• a cosmologist
• an anthropologist
• a universologist

A ___________ is all of space, and all of the energy and matter that space contains.

• Solar System
• Universe
• Galaxy
• Star

A ___________ is a huge collection of gas, dust, and stars, and their solar systems that are held together by gravity.

• galaxy
• solar system
• universe
• star

Which of the following about our galaxy is NOT true?

• The Milky Way is the name of the galaxy in which our solar system is found.
• The Milky Way is a Barrel Spiral type of galaxy located in the Orion Arm.
• The Milky Way is 200 billion years old.
• The Milky Way is 100,000 light years across and 3,000 light years thick.

Which of the following about our solar system is NOT true?

• The solar system formed about 5 billion years ago.
• The solar system formed from a solar nebula.
• The solar system is held together by the Sun's gravitational pull.
• The solar system is the center of the universe.