Science

Hubble uses Earth as proxy for identifying oxygen on potentially habitable exoplanets

Hubble uses Earth as proxy for identifying oxygen on potentially habitable exoplanets

Taking advantage of a total lunar eclipse, Hubble used the Moon as a mirror to study sunlight that had passed through Earth’s atmosphere. As a result, Hubble detected Earth’s own brand of sunscreen – ozone – in our atmosphere. The technique simulates how scientists will search for evidence of life on planets around other stars.

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Source: ScienceDaily