Dark matter in our Galaxy. II - A massive halo

Details Dark matter in our Galaxy. II - A massive halo Dark matter in our Galaxy. II - A massive halo

Apr 1989

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989mercu..18...51t&link_type=abstract

Mercury (ISSN 0047-6773), vol. 18, Mar.-Apr. 1989, p. 51-54, 61.

Astronomy and Astrophysics

Astrophysics

Dark Matter, Halos, Interstellar Matter, Milky Way Galaxy, Missing Mass (Astrophysics), Doppler Effect, Galactic Mass, Galactic Rotation, Gravitational Effects, Hydrogen Clouds, Radio Astronomy

Scientific paper

Methods for determining the percentage of dark matter in the Galaxy are described. The measuring of the speed of hydrogen gas in clouds using the Doppler effect is discussed. Consideration is given to the examination of the envelope of dark matter around the Galaxy from observations of high-velocity stars and the measurement of groups of stars that orbit the Galaxy at very large distances in order to estimate the percentage of dark matter in the Galaxy.

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