Astronomy and Astrophysics – Astronomy
Scientific paper
Sep 1991
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1991s%26t....82..242f&link_type=abstract
Sky and Telescope (ISSN 0037-6604), vol. 82, Sept. 1991, p. 242-246.
Astronomy and Astrophysics
Astronomy
Active Galactic Nuclei, Hubble Space Telescope, Hydrogen Atoms, Lyman Alpha Radiation, Milky Way Galaxy, Ultraviolet Spectra, Astronomical Observatories, Astronomical Spectroscopy, Nebulae, Stellar Envelopes, Stellar Mass Ejection
Scientific paper
Recent data obtained from the Hubble Space Telescope (HST) are presented that indicate that the mission of the beleagered telescope has reached a turning point. Among these observations is a spectrogram revealing the complex dynamic structure of the Beta Pictoris's gas disk, the Lyman-alpha lines from clouds of cool hydrogen atoms in the Milky Way, the UV spectrum of Chi Lupi, the images of Eta Carinae and the Homunculus nebula ejected by the star during the 1843 outburst, and the structure of energetic jets from active galactic nuclei. The paper discusses corrective measures planned by the NASA and Hubble project astronomers to restore the observatory to near-perfect health.
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