New Planetary Systems
‘An infinite number of Suns exist, an infinite number of Earths orbit around these suns as the seven planets orbit our Sun. Living beings inhabit these worlds.’ Four centuries ago, this was Giordano Bruno’s brilliant intuition. Nowadays, we know that the Sun is a star, and that an extremely large number of stars in the Galaxy are accompanied by planets. Our knowledge is, however, still too fragmentary to know whether conditions for the appearance of life exist, or have existed, on extrasolar planets.
KeywordsSolar System Radio Emission Globular Cluster Planetary System Giant Planet
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