Exoplanet Discovery and Analysis Quiz

What is the significance of the exoplanet GJ 9827 D in astronomical studies?

• It is the smallest exoplanet with detected water vapor.

• It has the most moons of any exoplanet.

• It is the largest exoplanet discovered.

• It is the closest exoplanet to Earth.

What are the two main hypotheses about the atmosphere of GJ 9827 D?

• It is a planet with rings or without rings.

• It is a cold planet or a hot planet.

• It is a gas giant or a rocky planet.

• It is a mini Neptune or a warmer version of Europa.

How did Hubble Space Telescope contribute to the study of GJ 9827 D?

• By sending astronauts to the planet.

• By observing the planet during transit events.

• By capturing images of the planet's surface.

• By landing on the planet.

Why is the discovery of water vapor on GJ 9827 D significant?

• It proves the planet has intelligent life.

• It shows the planet is made entirely of water.

• It opens the door for more detailed studies of small exoplanets.

• It confirms the planet is habitable.

What future telescope is expected to study GJ 9827 D in more detail?

• The James Webb Space Telescope

• The Hubble Space Telescope

• The Kepler Space Telescope

• The Spitzer Space Telescope