Astronomers detect a laser-like signal coming from colliding galaxies 8 billion light-years away. A cosmic mystery.
Astronomers have discovered the brightest and most distant "megamaser" to date. The cosmic energy beam is shooting toward ...
NASA's Psyche has set a new benchmark for space communications. In December 2024, the spacecraft successfully beamed an infrared laser message back to Earth from a mind-boggling distance of 494 ...
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No radio astronomy needed: Ring laser measures Earth's axis wobble with unprecedented precision
As Earth moves through space, it wobbles slightly. A team of researchers from the Technical University of Munich (TUM) and the University of Bonn has now succeeded in measuring these fluctuations in ...
NASA’s Psyche mission is on its way to meet an asteroid that is thought to contain $100,000 quadrillion worth of rare metals. The agency’s Psyche spacecraft won’t reach its target, the asteroid 16 ...
The use of optical lasers between orbiting satellites are commonplace. Less common is using lasers from Earth to satellites.
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