A massive 500,000-mile-wide (800,000-kilometer) coronal hole in the sun's atmosphere is unleashing a stream of fast-moving solar wind toward Earth, potentially supercharging auroras on Jan.
Now, researchers in Switzerland and the U.K. have homed in on one particular aspect of this equation to contemplate how a crucial component of our universe ... without our sun, stars are a ...
Earth will reach its closest point to the sun, known as perihelion, on Jan. 3, 2026 at 12:15 p.m. EST (1715 GMT). Orbits of natural bodies in the universe are usually not perfectly circular ...
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