Scientists Treat Exploding Meteors as Real-World Planetary Defense Tests
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Summary
It came from outer space, exploding high above the South Atlantic off the coast of Argentina. That April 1 event — an incoming meteor, also termed a bolide — was observed by both U.S. space-based military and civil sensors. Hush-hush U.S. government satellite sensors detected the speedy fireball cutting through our atmosphere. The object's brightness peaked at an altitude of nearly 60 miles (90.5 kilometers) over the South Atlantic.
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