Hubble measures the size of the nearest transiting Earth-sized planet

Artist’s concept of exoplanet LTT 1445ac

The NASA/ESA Hubble Space Telescope has measured the size of the nearest Earth-sized exoplanet that passes across the face of a neighbouring star. This alignment, called a transit, opens the door to follow-on studies to see what kind of atmosphere, if any, the rocky world might have.




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Source: ESA Space News