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Spin speed determines size of spiral galaxies

Last Updated: Saturday, March 01, 2014, 13:23

Australian astronomers have discovered what makes some spiral galaxies fat and bulging while others flat discs - it`s all about how fast they spin.

Why some spiral galaxies are fat and bulging while others are flat discs

Last Updated: Friday, February 28, 2014, 10:13

Astronomers have found the reason behind some spiral galaxies being fat and bulging while others being just are flat discs, claiming that it`s all about how fast they spin.

Astronomers discover river of hydrogen flowing through space

Last Updated: Tuesday, January 28, 2014, 11:24

Astronomers have discovered a river of hydrogen flowing through space and into a nearby galaxy.

Bar-shaped features in spiral galaxies accelerate ageing process

Last Updated: Friday, January 17, 2014, 14:53

Astronomers from the University of Portsmouth have discovered that bar-shaped features in spiral galaxies accelerate the galaxy ageing process.

Mature-looking galaxies existed 11.5 bn years ago

Last Updated: Friday, August 16, 2013, 10:23

Astronomers have claimed that mature looking galaxies existed much earlier than previously known, when the universe was just about 2.5 billion years old.

Feeding galaxy explains how gases are absorbed in star formation

Last Updated: Friday, July 05, 2013, 12:41

An international group of astronomers has spotted a distant galaxy hungrily snacking on nearby gas.

Spiral galaxies like Milky Way much bigger than earlier thought

Last Updated: Friday, June 28, 2013, 12:05

A new study has revealed that spiral galaxies like our own Milky Way appear to be much larger and more massive than previously believed.

How spiral galaxies get their arms

Last Updated: Wednesday, April 03, 2013, 10:24

How spiral galaxies like our Milky Way get and maintain their characteristic arms has proved to be an enduring puzzle in astrophysics .

Beautiful spiral galaxies were ‘ugly ducklings’ 6 bln yrs ago

Last Updated: Friday, February 05, 2010, 14:35

The Hubble Space Telescope has shown that the beautiful spirals galaxies of the modern Universe were the ugly ducklings of six billion years ago.