interstellar visitor 3I/ATLAS really is a comet, not aliens
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Scientists at the University of Hawaiʻi have discovered why it rains on the Sun. Solar rain, made of cooling plasma, forms rapidly during solar flares, a mystery now solved by modeling time-varying elements like iron.
As 3I/ATLAS nears the Sun, scientists debate whether it’s a natural comet or something artificial. Follow its journey and the mystery captivating astronomers.
Space weather isn’t referring to rain clouds that float through the galaxy. Instead, it’s caused by massive explosions of particles that shoot out from the Sun.
Researchers have directly observed torsional Alfvén waves twisting through the Sun’s corona — magnetic waves first predicted over 80 years ago. Captured using the Daniel K. Inouye Solar Telescope, these motions could explain why the corona is millions of degrees hotter than the Sun’s surface.