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Word: spacecrafts (lookup in dictionary) (lookup stats)
Dates: during 1980-1989
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Usage:

...alien spacecraft that exploded while trying to land on earth. A hit by a stray bit of antimatter, or a speeding mini-black hole, or the head of a comet. These are some of the fanciful theories offered over the years to explain the fireball in the sky and the giant explosion that devastated a remote region of Siberia on June 30, 1908, leveling trees for miles around, knocking over huts, stampeding reindeer and creating an enormous shock wave detected around the world...

Author: /time Magazine | Title: Science: Fireball over Siberia: 1908 | 3/3/1980 | See Source »

...them scan the cosmos for signals from dense, dark and dusty pieces of galactic real estate that cannot be observed visually. State-of-the-art infrared detectors routinely fly aboard high-altitude balloons and reconnaissance aircraft, seeking evidence for heretofore unrecognized warm regions of space. Ultraviolet and x-ray spacecraft, perched in orbit far above Earth's opaque atmosphere, map distant sources of potent radiation emitted by previously unknown exotic astronomical objects; these are not merely passive probes like pioneering satellites that marked the dawn of the Space Age, but whole observatories remotely operated by teams of scientists, much like...

Author: By Eric J. Chaisson, | Title: Exploring the Invisible: Astronomy in the 70s | 1/7/1980 | See Source »

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