Sunspot AR3186 erupted with an X1-class solar flare. NASA's Solar Dynamics Observatory captured the fireworks in multiple ...
One viewer said they thought it was a missile at first.
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Antarctica’s Mysterious Radio Pulses Remain Unexplained — but Better Particle Experiments Could Change That
Learn how, after one of the world’s most sensitive neutrino detectors discovered mysterious radio pulses in Antarctica, ...
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