Global Sky Partners

Exoplanet Watch


Exoplanet Watch is a citizen science project to observe transiting exoplanets — planets outside our solar system — with small telescopes. A transiting exoplanet is one that periodically passes in front of its host star, causing the star to slightly dim (by about 1%). Observing exoplanet transits is important, as they allow us to directly measure a planet's radius and composition. Ground based follow up allows us to better constrain the planet’s period which allows for better mass measurements. Exoplanet Watch will help increase the efficiency of exoplanet studies by large telescopes to characterize exoplanet atmospheres by reducing uncertainty about the predicted timing of transit events.

Audience Region
  • Online only
  • Organizers: Robert Zellem, Rachel Zimmerman-Brachman
    Affiliation: NASA, JPL
    Partner website: For more information
    Active: Jul 2020 → present
    Contact: Get in touch with this partner
  • Online workshops/training/mentoring
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