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science & technology Online Quiz - 269
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Which is the brightest star visible at night?
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A
Dog Star
💡 Explanation:
Sirius (Dog Star) is the brightest star visible from Earth at night with an apparent magnitude of -1.46. The Sun is technically the brightest star but is visible during the day, not at night. The Moon is not a star but a satellite reflecting sunlight. Dhruva (Polaris/North Star) is important for navigation but not the brightest.