Astronomy and Astrophysics – Astronomy
Scientific paper
Aug 2001
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001acasn..42..225w&link_type=abstract
Acta Astronomica Sinica, Vol.42, no.3, p.225-239
Astronomy and Astrophysics
Astronomy
Extraterrestrial Life, Extrasolar Planets
Scientific paper
In this paper, the significance, instrumentality, and the status in searching for extra-terrestrial intelligence, in addition, the SETI program and its development, are introduced. Especially, the discovery of extrasolar planets, with its purpose, ways and means, achievement, and the future, are emphasized. Finding extrasolar planets is one of the most vogue question for discussion now. It will be one of the most plenty research field in astronomy in the 21st century. Since the first affirmance of an extrasolar planetary system in pulsar PSR1257+12, and first discovery of a planet in a main-sequence star, 51 Peg, in 1995, about half hundred of extrasolar planets have been discovered. The discovery can not detach from the searching for extra-terrestrial intelligence, but it brings forward new open problems. During the past 10 years the research has been developing rapidly. Not only in astronomy, but also in other sciences, like spaceflight, astrochemistry, astrobiology, even in philosophy, it plays an advance function.
Chen Dao-Han
Wu Jian-Guo
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