In 1607, a comet appeared over Europe. This was Halley’s comet, later named after the astronomer who successfully predicted its reappearance and 75-year orbit in 1759. However, in 1607, it was just ...

Haumea is one of the fastest rotating large objects in our solar system. A single day on the dwarf planet is only about 4 Earth hours long. NOVA is available to stream on pbs.org and the free PBS App, ...

XMM-Newton has caught the fading glow of a tiny celestial object, revealing its rotation rate for the first time. The new information confirms this particular object as one of an extremely rare class ...

To demonstrate the system, the researchers showed that it could reconstruct real-time high-quality still images of a model jet engine rotating at about ∼2170 rpm (top images) and a CPU cooling fan ...