A new video shows Japan’s troubled Hitomi spacecraft tumbling in orbit. As the satellite crosses the screen (from right to left), it varies wildly in brightness—which means it’s shooting unstably through space. The space telescope lost consistent communication with Earth on Saturday. “If the satellite were not tumbling, it would appear to be the same brightness,” says Paul Maley, an amateur astron
The first x-ray images of a lightning strike have been captured by a, well, lightning-fast camera, scientists say. The pictures suggest a lightning bolt carries all its x-ray radiation in its tip. (Get lightning facts.) During recent thunderstorms in Camp Blanding, Florida, the camera's electronic shutter "froze" a lightning bolt—artificially triggered by rockets and wires—as it sped toward the gr
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