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If I had to guess about whether these guys got their sign wrong
*or* the universe is decelerating under gravity, I might get
romantic and get excited, too. If I had to bet more than two
bits on it, however, I'd go the other way. More data are needed
before the conventional picture, an expanding decelerating
universe, is abandoned. Determining the deceleration parameter
was a principle mission for Hubble; there will be more data in
a relatively short time.
Leigh