From: Amara Graps (amara@amara.com)
Date: Thu Jul 11 2002 - 09:24:09 MDT
('Nerd Abstract' and 'Popular Abstract' is something new ... :-) )
http://xxx.lanl.gov/abs/astro-ph/0207199
Astrophysics, abstract
astro-ph/0207199
From: Max Tegmark <max@hep.upenn.edu>
Date: Wed, 10 Jul 2002 15:30:08 GMT (401kb)
Measuring spacetime: from big bang to black holes
Authors: Max Tegmark
Comments: Invited review for Science, 4 figs. Slightly abbreviated published
version available at this http URL
Journal-ref: Science, 296, 1427-1433 (2002)
Nerd abstract: Observational constraints on spacetime are
reviewed, focusing on how the underlying physics (dark matter,
dark energy, gravity) can be tested rather than assumed.
Popular abstract: Space is not a boring static stage on which
events unfold over time, but a dynamic entity with curvature,
fluctuations and a rich life of its own which is a booming area of
study. Spectacular new measurements of the cosmic microwave
background, gravitational lensing, type Ia supernovae, large-scale
structure, spectra of the Lyman alpha forest, stellar dynamics and
x-ray binaries are probing the properties of spacetime over 22
orders of magnitude in scale. Current measurements are consistent
with an infinite flat everlasting Universe containing about 30%
cold dark matter, 65% dark energy and at least two distinct
populations of black holes.
Paper: PostScript, PDF, or Other formats
-- *********************************************************************** Amara Graps, PhD email: amara@amara.com Computational Physics vita: ftp://ftp.amara.com/pub/resume.txt Multiplex Answers URL: http://www.amara.com/ *********************************************************************** "The man who doesn't know what the universe is doesn't know where he lives." -- Marcus Aurelius
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