Exoplanet Explorers

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Planetary transit

Exoplanet Explorers was a Zooniverse citizen science project aimed at discovering new exoplanets with Kepler data from the K2 mission.[1][2] The project was launched in April 2017 and reached 26.281 registered volunteers. Two campaigns took place, the first one containing 148.061 images and the second one 56.794 images.[3]

A total of 9 exoplanets were found through the project: K2-138 b, c, d, e, f and g (initially referred as EE-1b, EE-1c, EE-1d, and EE-1e), K2-233 b, c, and d, and K2-288Bb. K2-288Bb is considered to be potentially habitable with a radius of 1.91 Earth radii and a temperature of 206 K.[4]

Several other candidates in size groups were also found: Jupiters: 44, Neptunes: 72, super-Earths: 53, Earths: 15.[5]

See also[]


  1. ^ "Be an astrophysicist: discover new planets". Atlas of the Future. Retrieved 2020-09-30.
  2. ^ Friday, Alison Klesman | Published; April 7; 2017. "A new Zooniverse project just found four super Earths around a Sun-li". Astronomy.com. Retrieved 2020-10-28.CS1 maint: numeric names: authors list (link)
  3. ^ "Exoplanet Explorers". Zooniverse. Retrieved 2020-09-30.
  4. ^ "The Habitable Exoplanets Catalog - Planetary Habitability Laboratory @ UPR Arecibo". phl.upr.edu. Retrieved 2020-09-30.
  5. ^ "The whole story so far..." www.zooniverse.org. Retrieved 2020-09-30.
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