Exoplanets Quiz

What is 51 Pegasi b?

• A rocky planet

• A gas giant

• A star

• A moon

What makes 51 Pegasi b unique?

• First exoplanet discovered around a Sun-like star

• First planet with liquid water

• Closest planet to Earth

• Coldest exoplanet ever discovered

How long does it take 51 Pegasi b to complete one orbit around its star?

• 10 days

• 4.2 days

• 30 days

• 1 year

What is the temperature of 51 Pegasi b?

• 100-200°F

• 1,000-1,800°F

• -200°F

• 500-1,000°F

How far away is 51 Pegasi b from Earth?

• 10 light-years

• 100 light-years

• 50 light-years

• 500 light-years

What type of planet is 55 Cancri e?

• Gas giant

• Super-Earth

• Ice giant

• Dwarf planet

What is the surface temperature of 55 Cancri e?

• 100°F

• 500°F

• 3,900°F

• -100°F

What is special about 55 Cancri e's surface?

• It is covered in water

• It may be made of diamond

• It has volcanoes

• It has ice mountains

How long does one day on 55 Cancri e last?

• 12 hours

• 18 hours

• 1 Earth day

• 24 hours

Which constellation is 55 Cancri e located in?

• Orion

• Cancer

• Pegasus

• Cygnus