Astronomy Space Systems Core Knowledge chapter 1

What is the main component of a solar system?

• Only planets

• Only moons

• At least one star

• Only asteroids

Which planet is known as the hottest in our solar system?

• Mercury

• Venus

• Earth

• Mars

Which planet is the largest in our solar system?

• Neptune

• Saturn

• Uranus

• Jupiter

What is the main reason Venus is hotter than Mercury?

• It is closer to the sun

• It has more volcanoes

• It has a larger size

• It has a dense atmosphere

Which planet is known as the 'red planet'?

• Earth

• Saturn

• Mars

• Jupiter

What gives Uranus its blue-green color?

• Water

• Methane gas

• Hydrogen

• Iron

Which planet is known for its Great Red Spot?

• Neptune

• Jupiter

• Mars

• Saturn

What is the main composition of gas giants like Jupiter and Saturn?

• Iron and nickel

• Rock and metal

• Hydrogen and helium

• Water and methane

Which planet is tilted almost completely on its side?

• Saturn

• Jupiter

• Uranus

• Neptune

What is a characteristic of dwarf planets?

• They have all characteristics of regular planets

• They have some characteristics of regular planets

• They are larger than regular planets

• They are closer to the sun than Earth