Which exoplanet was the first discovered with a retrograde orbit around its star?
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- Intermediate Intermediate difficulty.
- Exoplanets
Which telescope first spotted the planetary-mass companion 2M1207b in 2004?
Answer
Very Large Telescope
- Easy Easy difficulty.
- Exoplanets
What is the term for the star-centered region where a planet could have liquid water on its surface?
Answer
Habitable zone
- Hard Hard difficulty.
- Exoplanets
Around which PDS 70 planet was the first moon-forming circumplanetary disk detected?
Answer
PDS 70c
- Hard Hard difficulty.
- Exoplanets
What official proper name is used for the exoplanet Iota Draconis b?
Answer
Hypatia
- Hard Hard difficulty.
- Exoplanets
PDS 70b was the first confirmed directly imaged example of what forming planet type?
Answer
Protoplanet
- Intermediate Intermediate difficulty.
- Exoplanets
Kepler-11 was the first discovered exoplanet system with how many transiting planets?
Answer
Six