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Challenger disaster: McAuliffe's students go on to teach

CONCORD, N.H. — Thirty years after the Concord High School class of ‘86 watched social studies teacher Christa McAuliffe and six astronauts perish when the space shuttle Challenger exploded on live TV, a number of them have gone into teaching — and some wonder if, indirectly, the...


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Space nerds dissect satellite launch and SpaceX rocket barge landing

Reused booster breaks a support leg, a disappointment after the successful delivery of a multinational weather satellite into Earth orbit.


Science

US-European ocean-monitoring satellite sent into orbit

LOS ANGELES — The latest in a series of U.S.-European satellites designed to detect and measure ocean phenomena like El Nino has reached orbit after launching aboard a SpaceX rocket that will attempt to land its discarded first stage on a floating barge. The mission of the Jason-3 satellite...

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