Topic
Space charts
6 charts about space, each with its public source, its numbers and its date.
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Which telescopes have found the most exoplanets?
NASA's Kepler space telescope found 2,787 confirmed exoplanets, more than any other, and 549 more on K2, the second mission it flew after a breakdown in 2013...
Source: NASA Exoplanet Archive, Planetary Systems Composite Data · Data as of Sep 25, 2026
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How many near-Earth asteroids are discovered each year?
Sky surveys found 3,239 new near-Earth asteroids in 2025, about nine times the 363 found in 2000. Most new finds are small: the big ones, a kilometer or more...
Source: NASA/JPL Center for Near Earth Object Studies (CNEOS), Discovery Statistics · Data as of Dec 31, 2025
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How do astronomers find planets around other stars?
As of September 2026, 4,708 of the 6,366 confirmed exoplanets, about 74%, were found by the transit method: a telescope sees a star dim slightly as a planet ...
Source: NASA Exoplanet Archive, Planetary Systems Composite Data · Data as of Sep 25, 2026
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How many planets outside our solar system are discovered each year?
Astronomers confirmed 245 new planets around other stars in 2025. The first were found in 1992, and the count leaped in 2014 and 2016 (872 and 1,504), when N...
Source: NASA Exoplanet Archive, Planetary Systems Composite Data · Data as of Dec 31, 2025
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What are the closest asteroid flybys ever recorded?
As of September 2026, the closest known asteroid flyby came on October 30, 2025, when 2025 UC11 passed about 228 km above Earth, lower than the International...
Source: NASA/JPL Center for Near Earth Object Studies (CNEOS), SBDB Close Approach Data · Data as of Sep 25, 2026
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How many asteroids pass closer to Earth than the Moon each year?
Astronomers know of 189 asteroid flybys closer than the Moon (about 384,000 km away) in 2025, up from about 20 a year in 2007 to 2009. Asteroids aren't passi...
Source: NASA/JPL Center for Near Earth Object Studies (CNEOS), SBDB Close Approach Data · Data as of Dec 31, 2025