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Planetary gap fillers?

Article Abstract:

Determination of gaps in the infrared spectrum of stellar accretion discs provides a viable method in identifying planetary bodies orbiting young stars. The technique has enabled astronomers to identify planet-like objects orbiting eight T-Tauri stars in the Taurus-Ariga region.

Author: David, Leonard

Publisher: National Space Society
Publication Name: Ad Astra
Subject: Astronomy
ISSN: 1041-102X
Year: 1992

Methods, Observations, Infrared astronomy, T Tauri stars

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Hubble Vision Test

Article Abstract:

US space program officials have announced plans for repairing the Hubble Space Telescope (HST). The said plan would involve the launch of the space shuttle Endeavor whose crew would then be tasked with repairing the defective primary telescope mirror of the HST.

Author: David, Leonard

Publisher: National Space Society
Publication Name: Ad Astra
Subject: Astronomy
ISSN: 1041-102X
Year: 1993

Column, Maintenance and repair, Hubble Space Telescope (Artificial satellite)

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