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Asteroid 2008 OS7's last approach to Earth on the day before Asteroid 2008 OS7 passes near Earth on February 2, 2024. This series of images was taken by the powerful 230-foot (70-meter) Goldstone Solar System Radar antenna near Barstow, California Credit: NASA/JPL-Caltech

Unexpected Discoveries: NASA Planetary Radar Images Reveal Asteroid As It Approaches Earth

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During asteroid 2008 OS7's final approach to Earth on February 2, 2024, the agency's Deep Space Radar collected the first detailed images of the stadium-sized asteroid
Hera scans the DART impact crater. Figure: ESA

Europa will protect the Earth from asteroids

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Schematic illustration of the DART mission showing the lunar impact of the asteroid (65803) Didymus. Observations after the collision from optical telescopes on Earth and a planetary radar will measure the change in the Moon's orbit around the main body. Figure: NASA

NASA will launch the DART spacecraft that will reach a double asteroid and try to divert its moon from its orbit

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