Planets and Stars Quiz

What is the main difference between planets and stars?

• Planets are larger than stars. Stars are smaller than planets.

• Planets emit their own light. Stars don’t.

• Planets are made of gas. Stars are made of rock.

• Planets orbit around a star. Stars do not orbit planets.

What is the Earth an example of?

• A comet

• A planet

• A moon

• A star

What is the core of the sun responsible for?

• Causing solar eclipses

• Carrying the energy to the sun’s surface

• Generating the sun’s energy

• Creating the sun’s atmosphere

Which layer of the sun can be seen only during a total solar eclipse?

• Chromosphere

• Corona

• Photosphere

• Radiative zone

How do scientists measure the distance of stars?

• Using light years

• Using kilometers

• Using miles

• Using astronomical units

What does the apparent brightness of a star depend on?

• How far away it is

• How fast it is moving

• How big it is

• How old it is

Which star system is the closest to Earth?

• Sirius

• Alpha Centauri

• Betelgeuse

• Proxima Centauri

What did NASA discover in June 2017?

• 100 new planets

• 100 new stars

• 200 new stars

• 200 new planets

What do scientists believe about the 10 planets similar to Earth?

• They might have temperatures that allow liquid water to exist on their surface

• They have temperatures too high for life

• They have no atmosphere

• They have temperatures too low for life

What is the key ingredient to support life on Earth-like planets?

• Water

• Oxygen

• Carbon dioxide

• Nitrogen