Exploring Our Galaxy: Planets and Stars

Which of the following is NOT an inner planet?

• Mercury

• Venus

• Neptune

• Earth

"Wandering Star" is the greek word for what?

• Planet

• Sun

• Star

• Moon

What is the main difference between inner and outer planets?

• Inner planets are cooler

• Outer planets are smaller

• Inner planets are mostly rocky

• Outer planets have no moons

Which inner planet is known for its extremely high temperatures and thick atmosphere?

• Mars

• Earth

• Venus

• Mercury

Which outer planet is known as the "Gas Giant"?

• Neptune

• Jupiter

• Saturn

• Uranus

What is the largest planet in our solar system?

• Earth

• Neptune

• Jupiter

• Saturn

Tags

NGSS.MS-ESS1-3

Which planet is famous for its beautiful rings?

• Jupiter

• Saturn

• Uranus

• Neptune

What is the main component of a star?

• Water vapor

• Hydrogen and helium

• Rock

• Iron

Tags

NGSS.HS-ESS1-1

Which star is the closest to Earth?

• Proxima Centauri

• Sirius

• Polaris

• The Sun

What is the term for a group of stars that forms a pattern in the sky?

• Galaxy

• Nebula

• Constellation

• Solar System