AAS Meeting #194 - Chicago, Illinois, May/June 1999
Session 39. Results from the HST Key Project on the Extragalactic Distance Scale
Topical, Oral, Tuesday, June 1, 1999, 8:30-10:00am, 10:45am-12:30pm, 2:30-4:00pm, International Ballroom South

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[39.11] Cosmological Implications

J.R. Mould (Australian National Univ.)

If the inverse Hubble time is 70 ± 7 km/sec/Mpc, then H0-1 is 14.0 ± 1.4 Gyrs, very similar to the age of the globular clusters. There is little room for deceleration in such a Universe, a far cry from the elegant asymptotically stationary situation envisaged in the Einstein de Sitter model. If the age of the globular clusters is 13 ± 2.5 Gyrs with 95% confidence, then that model is ruled out by the expansion rate constraint at a similar confidence level. This is an independent indication that the geometry of the Universe suggested in the last few years by fainter than expected high redshift supernovae may be correct.

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