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Top panel: A histogram showing the number of confirmed exoplanets discovered in each year since 1989. Bottom panel: The cumulative number of exoplanets discovered each year since 1989. Note that both graphs are complete only up to the 6 August 2012. Data are from the Extrasolar Planets Encyclopedia.
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Note: The histogram corresponds to a snapshot
when there were 777 confirmed exoplanets in total
(residing in 623 alien solar systems, 105 of which harbored more than
File under: How many exoplanets have been discovered? How many exoplanets are there? What is the number of exoplanets discovered by year? How many exoplanets are discovered every year? Cumulative number of exoplanets discovered by year.
© Tahir Yaqoob 2011.