A space telescope for infrared spectroscopy of earth-like planets

Details A space telescope for infrared spectroscopy of earth-like planets A space telescope for infrared spectroscopy of earth-like planets

Jul 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986natur.322..341a&link_type=abstract

Nature (ISSN 0028-0836), vol. 322, July 24, 1986, p. 341-343.

Astronomy and Astrophysics

Astronomy

78

Astronomical Spectroscopy, Extrasolar Planets, Infrared Astronomy, Spaceborne Telescopes, Apertures, Diffraction Patterns, Light (Visible Radiation), Planetology, Radial Distribution

Scientific paper

Owen has reviewed the potential for detecting life on Earth-like planets of nearby stars, from atmospheric spectra. The presence of oxygen, as revealed, for example, by the 7,600 Å absorption band, would be of particular significance. The authors show that a space telescope of 16 m diameter, apodized in a new way, could image and measure oxygen in the thermal infrared spectra of earthlike planets up to 4 pc away. Several interesting candidate stars lie within this distance.

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