Could there be life on other planets?

What is a planet?

• A small rock in space

• A large, round object in outer space that orbits a star

• A type of gas

• A tool used to look at stars

What is the solar system?

• A group of stars

• All the planets and other objects that orbit around a star

• A type of telescope

• A kind of atmosphere

What does habitable mean?

• A place with conditions where a living thing can survive

• A type of gas

• A tool used to look at stars

• A scientist who studies space

What is a telescope?

• A tool used to make very distant objects look closer

• A type of gas

• A planet in our solar system

• A scientist who studies space

Why must planets reside within the Goldilocks Zone?

• To keep the planet neither too hot nor too cold

• To make the planet spin faster

• To increase the planet's size

• To make the planet glow

What method do scientists use when planets are not visible?

• Measure changes in a star's brightness

• Measure changes in a planet's color

• Measure changes in a planet's size

• Measure changes in a star's temperature

How many exoplanets are estimated to be in our galaxy?

• 10 billion

• 15 billion

• 20 billion

• 25 billion

Which category of exoplanets is known for having high surface temperatures?

• Neptune-Like

• Hot Jupiter

• Super Earth

• Earth Analog

Which exoplanet is closest to our solar system?

• Alpha Centauri A

• Proxima Centauri B

• Beta Centauri C

• Pickle Centauri D

How far away is Proxima Centauri B?

• 3.2 light years

• 4.2 light years

• 5.2 light years

• 6.2 light years