Exoplanet Exploration Quiz

What are the three main factors scientists consider when determining if a planet is habitable?

• Temperature, atmosphere, and number of moons

• Color, shape, and distance from Earth

• Size, color, and gravitational pull

• Size, distance from host star, and type of star

What is a unique feature of Kepler-186f that makes it a candidate for habitability?

• It is located in the Goldilocks zone

• It is the largest exoplanet discovered

• It is a gas giant

• It has a thick atmosphere

Why is Kepler-452b's size a concern for its habitability?

• It is too far from its star

• It is too close to its star

• Its size may cause it to have a thick, gaseous atmosphere

• It is too small to support life

What is a challenge for life on Proxima Centauri B?

• It is too close to Earth

• It receives too much sunlight

• It has no atmosphere

• Its star has intense stellar flares

What makes Kepler-62f a potential candidate for habitability?

• It is potentially rocky and in the habitable zone

• It is the closest exoplanet to Earth

• It orbits a G-type star

• It is a gas giant

What is a potential advantage of M dwarf stars for supporting life?

• They can live for hundreds of billions of years

• They have short lifespans

• They are very hot

• They are always located close to Earth

What is unique about the Trappist-1 system?

• It is the largest star system discovered

• It has three planets in the habitable zone

• It has only one planet

• It is located in the Milky Way

Which planets in the Trappist-1 system are in the Goldilocks zone?

• Trappist-1g, h, and i

• Trappist-1b, c, and d

• Trappist-1e, f, and g

• Trappist-1a, b, and c

What is a potential downside of planets being tidally locked to their stars?

• They have no atmosphere

• They have no water

• They are too far from their stars

• They experience extreme temperature differences

What is the significance of the Kepler Telescope in exoplanet discovery?

• It is used to study the Sun

• It is the largest telescope ever built

• It has identified most of the known exoplanets

• It is the first telescope to orbit the Earth