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Puzzle of Empty Galaxies

Kettle
in Politics

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From BBC:

 

The Universe may be teeming with starless galaxies inhabiting its most isolated regions, says an Australian scientist.

 

Graduate researcher Brad Warren, of the Australian National University, has identified galaxies in our local region of space that are mostly gas with very few stars.

 

"If you look for gas with a radio telescope you see an enormous blob of gas. If you look for stars through an optical telescope you only see a small smudge of stars on the sky," he told BBC News Online.

 

For some reason these galaxies have failed to form stars out of their hydrogen gas. The search is on to find out why.

 

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