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The discovery of a super-Earth. The plot shows the observed brightness of a star dip during six different passes of the planet between the star and Earth (a "transit"). Analysis and follow-up observations disclose that the planet has a diameter only about 2.7 times Earth's.
Credit: Nature, and Charbonneau et al.
Low Resolution Image (jpg)
Credit: Nature, and Charbonneau et al.
Low Resolution Image (jpg)
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