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Is comet C/2025 A6 (Lemmon) still visible to the naked eye this week? Here's how to spot it
Despite having made its closest flyby of Earth exactly one week ago, Comet C/2025 A6 (Lemmon) remains an accessible target for sky-watchers this week, although viewing conditions are quickly becoming ...
MANILA, Philippines—Astronomers use a magnitude scale to measure the stellar brightness of astronomical objects. The ancient Greek astronomer Hipparchus introduced the magnitude system. He categorized ...
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