caltech
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NASA Probe Transmits Groundbreaking Laser Message From 10 Million Miles Away
A gold-capped laser transceiver attached to the asteroid probe Psyche saw its first light on Tuesday, sending and receiving data through laser beams from far beyond the Moon for the first time. NASA’s Deep Space Optical Communications (DSOC) experiment beamed data encoded within a near-infrared laser from nearly 10 million miles in deep space (16…
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Elon Musk’s Starlink Is Causing More Streaks to Appear in Space Images
Researchers at the Zwicky Transient Facility in California have analysed the degree to which SpaceX’s Starlink satellite constellation is affecting ground-based astronomical observations. The results are mixed.
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There’s A Way To Make Big Earthquakes Safer. The US Won’t Pay For It.
Everyone’s fretting about a terrifying article on the terrifying Cascadia Subduction Zone, which will almost certainly deliver the deadliest earthquake in US history. That earthquake would almost certainly be made less deadly with an early warning system that’s ready to be implemented — if only the US would decide to make it a priority.