Spiral galaxies

Milky Way edges might be crowded with black holes

Milky Way edges might be crowded with black holes

Conditions favourable for black-hole mergers exist in the outer gas disks of big spiral galaxies

Oct 31, 2017, 19:42 PM IST
27 years of Hubble: NASA celebrates with two stunning spiral galaxies! - See pic

27 years of Hubble: NASA celebrates with two stunning spiral galaxies! - See pic

This starry pair offers a glimpse of what our Milky Way galaxy would look like to an outside observer.

Apr 21, 2017, 11:37 AM IST

Spin speed determines size of spiral galaxies

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

Mar 01, 2014, 13:23 PM IST

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

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.

Feb 28, 2014, 10:13 AM IST

Astronomers discover river of hydrogen flowing through space

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

Jan 28, 2014, 11:24 AM IST

Bar-shaped features in spiral galaxies accelerate ageing process

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

Jan 17, 2014, 14:53 PM IST

Mature-looking galaxies existed 11.5 bn years ago

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

Aug 16, 2013, 10:23 AM IST

Feeding galaxy explains how gases are absorbed in star formation

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

Jul 05, 2013, 12:41 PM IST

Spiral galaxies like Milky Way much bigger than earlier thought

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

Jun 28, 2013, 12:05 PM IST

How spiral galaxies get their arms

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

Apr 03, 2013, 10:24 AM IST