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Is the Sun a star or a planet? What we know and why
The Sun, our nearest celestial neighbor, is undeniably a star, not a planet, as centuries of astronomical observations have confirmed. However, the boundaries of celestial definitions are continually ...
NASA has drafted its Mars rover Perseverance to help monitor the sun’s activity. Every day for the next two months, the rover ...
3I/ATLAS is only the third known interstellar visitor, hence the prefix “3I.” The second known interstellar body, Comet 2I/Borisov, was discovered by the Russian astronomer Gennady Borisov in August ...
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