Science News Online (5/29/99): References for "Hubble Telescope Dates the Universe"

The Weekly Newsmagazine of Science

Volume 155, Number 22 (May 29, 1999)

References & Sources

After measuring the distances to galaxies with the Hubble Space Telescope for 8 years, astronomers reported their most precise value for the Hubble constant, a measure of the expansion of the universe, which indicates its age.

References:

1999. Hubble completes eight-year effort to measure expanding universe. NASA Press Release (May 25).

Burles, S., et al. 1999. Sharpening the predictions of Big-Bang nucleosynthesis. Physical Review Letters 82(May 24):4176.

Further Readings:

Cowen, R. 1998. The greatest story ever told. Science News 154(Dec. 19&26):392.

Sources:

Scott Burles
University of Chicago
Department of Astronomy and Astrophysics
Enrico Fermi Institute
Chicago, IL 60637-1433

Wendy L. Freedman
Carnegie Observatories
813 Santa Barbara Street
Pasadena, CA 91101