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Showing posts with label dark galaxy. Show all posts
Showing posts with label dark galaxy. Show all posts

Friday, May 11, 2012

'Dark Galaxy' continues to astronomers


The Hubble Space Telescope has failed to reveal the expected number of stars in the mysterious cloud of hydrogen on the size of a galaxy known as VIRGOHI21.

The research reinforces the idea that the gas cloud is the only known example of a "dark galaxy" that never initiates the birth of a star.

It is thought that a galaxy is formed of normal matter, or which has collected in clouds of hypothetical dark matter. But scans have shown fewer galaxies than expected, suggesting that, for unknown reasons,