80 Exoplanets Trivia Questions with Answers
80 public questions with answers, drawn from the well. How many can you answer?
What term describes a planet that orbits two stars?
Answer
Circumbinary planet
Which exoplanet is nicknamed Methuselah because of its great age?
Answer
PSR B1620-26 b
Which exoplanet orbits the red dwarf Ross 128?
Answer
Ross 128 b
Which exoplanet was the first super-Earth found around a main-sequence star?
Answer
Gliese 876 d
What is the name of the habitable zone around a star where liquid water could exist?
Answer
Circumstellar habitable zone
Which method detects exoplanets through a star's wobble toward and away from Earth?
Answer
Radial velocity
Which method detects exoplanets by measuring dips in a star's brightness?
Answer
Transit method
Which exoplanet was the first to have an X-ray eclipse observed?
Answer
HD 189733 b
Which exoplanet was the first discovered via the microlensing method?
Answer
OGLE-2003-BLG-235L b
What is the name of the first exoplanet discovered by the TESS mission?
Answer
Pi Mensae c
What is the name of the first exoplanet system discovered, around a pulsar?
Answer
PSR B1257+12
Which NASA space telescope discovered the majority of known exoplanets?
Answer
Kepler space telescope
Which system contains seven Earth-sized exoplanets?
Answer
TRAPPIST-1
What is the closest known exoplanet to Earth?
Answer
Proxima Centauri b
Which exoplanet was the first to have its atmosphere detected?
Answer
HD 209458 b
What is the name of the first exoplanet discovered orbiting a Sun-like star?
Answer
51 Pegasi b