Tag Archives: space telescope

NASA Space Telescope finds fewer near-earth asteroids than expected

New observations by NASA’s Wide-field Infrared Survey Explorer, or WISE, show there are significantly fewer near-Earth asteroids in the mid-size range than previously thought. The findings also indicate NASA has found more than 90 percent of the largest near-Earth asteroids, meeting a goal agreed to with Congress in 1998. Astronomers now estimate there are roughly 19,500 — not 35,000 — ...

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