Science, asked by Yazhiniselvin, 5 months ago

During transit, Why do the brightness of star drops?

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Answered by Anonymous

0

The brightness change due to a transit is proportional to the the ratio of the planet's area to that of the star. When observing stars the size of the Sun, the decrease in brightness for giant planets, such as Jupiter, Saturn or the planet orbiting HD209458, etc., is approximately 1%.

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