Exploring Exoplanets: Earth 2.0 and Beyond

What percentage of Earth's total mass is made up of water?

• 0.25%

• 2.5%

• 25%

• 0.025%

What is the primary composition of the exoplanet GJ1214b?

• Rock and metal

• Lava and ash

• Gas and dust

• Water and ice

What unique feature makes LTT 9779 B stand out among exoplanets?

• It is made entirely of gas

• It has a solid gold surface

• It has metallic clouds

• It rains diamonds

What unusual weather phenomenon occurs on WASP 121b?

• Acidic fog

• Metal rain

• Diamond hail

• Snowfall of sulfur

What is a defining characteristic of rogue planets?

• They are made of ice

• They have no star

• They orbit two stars

• They are always habitable

Which planet is known for having a potentially more comfortable climate than Earth?

• Jupiter

• KOI 15.01

• Mars

• Venus

What is the average temperature on KOI 31.1?

• 50°F

• 100°F

• 32°F

• 67°F

Which planet is referred to as Earth's cousin?

• Jupiter

• Venus

• Mars

• Kepler 186f

What is the significance of a planet's tilt in terms of habitability?

• It affects the planet's color

• It influences climate stability

• It controls the planet's gravity

• It determines the planet's size

Which planet has a similar size to Earth and promises stable seasons?

• Jupiter

• Mars

• Kepler 186f

• Venus