The U.S. National Science Foundation on Thursday announced it will close down the massive space telescope at Puerto Rico's Arecibo Observatory, ending 57 years of astronomical discoveries after ...
A massive radio telescope at Puerto Rico's Arecibo Observatory - one of the world's largest - collapsed on Tuesday after sustaining severe damage since August, officials said, following 57 years of ...
Satellites beaming sunlight down to Earth sound like science fiction – and they have astronomers very worried.
In the test, a flat, square mirror roughly 2.5 metres across directs a beam of light down to solar panels and sensors. In one ...
Astronomy on MSN
Unveiling the Andromeda Galaxy's true nature
Over the course of human history, perhaps no single object in the night sky has drawn more attention than the Andromeda ...
3 天on MSN
Always the sun: this crazy US startup wants to shine light on the Earth at night for solar ...
Just as you bounce sunlight off a watch face into a light spot, Reflect Orbital’s satellites would use mirrors to beam light onto Earth.
China laser hits the Moon in daylight at 130,000 km, enabling 24/7 lunar navigation, precise tracking, and a future-ready lunar GPS network.
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