Article: `UP,' `DOWN' IN UNIVERSE IS SUGGESTED RESEARCHERS ANALYZE RADIO WAVES, SAY AXIS OF ORIENTATION POSSIBLE.(News/National/International)

Byline: John Noble Wilford The New York Times

Measurements by scientists have suggested, for the first time, that the universe has an ``up'' and a ``down.''

The observation, if correct, would be one of the most surprising and fundamental new insights about the universe to emerge in recent years.

The notion that space is uniform - that it is the same in all directions, with no north and south or up and down, is a major tenet of modern cosmology - backed by Einstein's theory of relativity.

The findings could force scientists to reconsider aspects of Einstein's theory, rethink some ideas about the birth of the universe and the possible ...

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