Astronomy and Astrophysics – Astronomy
Scientific paper
Mar 1983
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983iraj...16....1m&link_type=abstract
Irish Astronomical Journal (ISSN 0021-1052), vol. 16, March 1983, p. 1-13.
Astronomy and Astrophysics
Astronomy
Astronomy, Histories, Density Distribution, Galactic Rotation, Hubble Constant, Mass To Light Ratios, Spatial Distribution, Stellar Parallax
Scientific paper
The process by which scientists arrive at, come to accept, and later revise solutions to major problems is discussed using examples from the field of astronomy. The 300-year history of the discovery of annual stellar parallax is reviewed, and it is pointed out that Bessel's first measurements in the 1830's gained quick acceptance, without independent confirmation, from other astronomers. Hubble's discovery of the expansion of the universe, his estimate of the Hubble constant, (H0) and consequent revisions are considered; and the unresolved problem of the correct H0 value is shown to be of great significance for astronomy in general and for studies of the distribution of astronomical systems in the universe and the density of the universe in the present cosmic epoch - areas with their own major open questions. It is recommended that fundamental problems be investigated by more than one working group and that periodic review conferences be held to resolve differences and/or define goals for further study.
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