RARE EARTH RESEARCH

Does life exist beyond Earth? Not surprisingly, searches of the solar system yield no evidence because the only planet (or moon) located in the right place is Earth. However, the discovery of exoplanets (planets outside our solar system) boosted researchers’ enthusiasm for finding life beyond Earth. Thus far, our technology lacks the sensitivity to detect any signatures of life outside of our solar system, but scientists continue to make progress. While these advances reveal additional indicators that Earth may be rare (or unique) in its capacity to support life, they also provide a way to genuinely test the rare-earth hypothesis.

Using current telescope technology, scientists can measure only orbits, masses, and sizes of exoplanets. Over the next decade, advances will permit the detection of life signatures from stars in the neighbourhood of the solar system, which will allow powerful tests of the rare-earth hypothesis. An article published in the journal Astrobiology highlights one of those tests.

Read the article at http://www.reasons.org/articles/search-for-earth-analogues-reveals-design

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