Tiny, far-flung Pluto is about to have a visitor — at least for a few hours.
On July 14, NASA’s New Horizons spacecraft will reach the dwarf planet and try to learn all it can about Pluto and its five known moons. Then the probe will leave Pluto behind, vanishing into the frigid darkness beyond the planets.
In its wake, New Horizons will introduce Earth to the...
On Dec. 15, 1989, KLM flight 867 from Amsterdam was approaching its destination in Anchorage, Alaska, when the plane flew into what appeared to be a thin layer of normal clouds. Suddenly, according to flight-crew reports, it got very dark outside and the air in the cockpit filled with a brownish dust and the unmistakable smell of sulfur. One minute after beginning a high-power climb to escape...
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