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Searching for life on other planets

Article Abstract:

A 16 meter space-based telescope to detect life on other planets is proposed. Unlike the Hubble Space Telescope which takes pictures of Earth and other solar systems, this telescope detects signs of life on distant planets by searching directly for the infrared radiation reflected by the planets around other stars.

Author: Angel, J. Roger P., Woolf, Neville J.
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1996
Innovations, Infrared telescope, Infrared telescopes

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A new look at quasars

Article Abstract:

Quasars, believed to be the brightest stellar objects present in the universe, may be the offshoot of a massive intergalactic explosion which yields considerable amount of energy. European astronomers have attempted to reveal the mystery of quasars through the Hubble Space Telescope.

Author: Disney, Michael
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1998
Research, Usage, Black holes (Astronomy), Quasars, Hubble Space Telescope (Artificial satellite)

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The Kuiper belt

Article Abstract:

The Kuiper belt is group of small asteroids orbiting the outer regions of the solar system. Scientists have identified nearly 36 of these objects since 1992, and believe it is a source of comets that travel into the solar system. Pluto's characteristics are similar to these objects.

Author: Jewitt, David C., Luu, Jane X.
Publisher: Scientific American, Inc.
Publication Name: Scientific American
Subject: Science and technology
ISSN: 0036-8733
Year: 1996
Asteroids, Origin, Comets

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Subjects list: Discovery and exploration, Outer space, Space exploration
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