Exo-Planets

A planet outside of our solar system that orbits a star is officially called ___

• an alien planet
• an exoplanet
• a martian planet
• a distant planet

What Exoplanet is the closest to us?

• TRAPIST 1 B

• Proxima Centari-B

• 51 Pegasi-B

• TRAPIST 1 A

Do some Exoplanets also have Exomoons.

• No

• Yes

• It's unknown

What happens if a planet is too close to a star?

• it will be too hot for liquid water

• it will be too cold for liquid water

• it will be dark for plants to grow

• it will rotate too quickly

Tags

NGSS.MS-ESS1-1

What happens if a planet is too far away from a star?

• it will be too hot for liquid water

• it will be too cold for liquid water

• it will be bright for plants to grow

• it will rotate too quickly

Tags

NGSS.MS-ESS1-1

What is the problem with seeing planets orbiting other stars?

• They are faint.

• They are hidden by the luminosity of their parent star.

• They are really far away.

• All of these answers are correct

Tags

NGSS.HS-PS4-3

How are exoplanets named?

• They take the name of its parent star and put a letter at the end depending on its discovery time or distance from the star(s).

• They aren't. Scientists just call them "planet"

• They take Its discovery date and put a random letter at the end.

Select all that are exoplanets.

• Proxima b

• TrES-2b

• Mercury

• Kepler-16b

• Jupiter

An atmosphere ...

• reflects UV light and radiation

• keeps a planet warm by trapping gases

• helps keep water on Earth from evaporating into space by pressure

• all of these

How many confirmed exoplanets have been found?

• over 1 million

• ABOUT 5,700

• around 1 billion

• less than 100