Proxima Centauri B Quiz

What type of star is Proxima Centauri?

• Red giant

• White dwarf

• Red dwarf

• Blue giant

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How far is Proxima Centauri from Earth?

• 4.24 light-years

• 1.29 light-years

• 5.88 light-years

• 2.5 light-years

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What is the primary method used to discover Proxima Centauri b?

• Transit photometry

• Radial velocity

• Direct imaging

• Gravitational microlensing

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In which constellation is Proxima Centauri located?

• Orion

• Centaurus

• Ursa Major

• Cassiopeia

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What is the estimated surface temperature of Proxima Centauri b?

• 1200 K

• 300 K

• 500 K

• 700 K

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How long does it take for Proxima Centauri b to orbit its star?

• 11.2 Earth days

• 365 Earth days

• 5.2 Earth years

• 1.3 Earth years

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What is the significance of Proxima Centauri b being in the habitable zone?

• It is too hot for liquid water to exist.

• It could potentially support life.

• It is made entirely of gas.

• It has a solid diamond core.

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Which telescope was instrumental in the discovery of Proxima Centauri b?

• Hubble Space Telescope

• Kepler Space Telescope

• James Webb Space Telescope

• HARPS (High Accuracy Radial velocity Planet Searcher)

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What is the estimated mass of Proxima Centauri b compared to Earth?

• About the same

• Twice as much

• Half as much

• Ten times as much

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Why is Proxima Centauri b considered an exoplanet?

• Because it orbits a star other than the Sun

• Because it is in our solar system

• Because it has an atmosphere similar to Earth

• Because it can support human life

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