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Astron. Astrophys. 329, L17-L19 (1998)

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Letter to the Editor

The case for a cosmological constant

M. Roos and S.M. Harun-or-Rashid

Department of Physics, Division of High Energy Physics, P.O.Box. 9, FIN-00014 University of Helsinki, Finland

Received 31 July 1997 / Accepted 7 October 1997


Taking the Hubble constant to be in the range 60 - 75 km/s Mpc we show that three independent conditions strongly rule out the standard model of flat space with vanishing cosmological constant.

Key words: cosmology: observations – cosmology: theory

Send offprint requests to: M. Roos, e-mail: mroos@phcu.helsinki.fi

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© European Southern Observatory (ESO) 1998

Online publication: November 24, 1997