Invisible Galaxy Of Dark Matter Discovered

In 2001, a group of astronomers led by Neil Trentham of the University of Cambridge predicted the existence of dark galaxies - vast collections of dark matter. Dark galaxies are thought to form when the density of matter in a galaxy is too low to create the conditions for star formation.

Since that time, an international team from the UK, France, Italy and Australia have been searching for dark galaxies with radio telescopes.

Objects thought to be dark galaxies have since turned out to contain stars when studied with high-powered optical telescopes. Others have been found to be the remnants of two galaxies colliding. However, when the scientists studied the area in question using the Isaac Newton Telescope in La Palma, they found no visible trace of any stars, and no nearby galaxies that would suggest a collision.

The astronomers first took observations of the dark object back in 2000 and it has taken almost five years to rule out all the other possible explanations. VIRGOHI21 appears to be the first dark galaxy ever detected.


(The ellipse shows were the dark galaxy was found)

Dr Robert Minchin from Cardiff University is one of the UK astronomers who discovered the mysterious galaxy. He explains:

"From the speed it is spinning, we realised that VIRGOHI21 was a thousand times more massive than could be accounted for by the observed hydrogen atoms alone. If it were an ordinary galaxy, then it should be quite bright and would be visible with a good amateur telescope."

In 1929, science fiction author Edmond Hamilton wrote Outside the Universe. In this tale, a equally diverse interstellar team from Earth (leader Dur Nal), Antares (represented by metal-bodied Korus Kan) and Spica (in the person of lobster-man Jhul Din) are on patrol duty at the edge of our galaxy when they see a swarm of hostile spaceships entering from intergalactic space. *Spoiler Alert!* It turns out that the ships are piloted by serpent-men from a dying, invisible galaxy. They had first tried to take over the Andromeda galaxy, but were defeated and forced to move on.

Read more about the discovery at First Invisible Galaxy Discovered in Cosmology Breakthrough and Seeing the invisible - first dark galaxy discovered. Special thanks to Winchell Chung for the tip on this story.

Scroll down for more stories in the same category. (Story submitted 2/26/2005)

Follow this kind of news @Technovelgy.

| Email | RSS | Blog It | Stumble | del.icio.us | Digg | Reddit |

Would you like to contribute a story tip? It's easy:
Get the URL of the story, and the related sf author, and add it here.

Comment/Join discussion ( 2 )

Related News Stories - (" Space Tech ")

Johns Hopkins Says Asteroid Deflection Will Be Difficult
'This obelisk is one huge deflector mechanism...' - Gene Roddenberry, 1968.

Hayabusa 2 To Begin Asteroid Mining
'We must dig down, and then doubtless we shall find the metal.' - Garrett P. Serviss, 1898.

Can Musk Starship Astronauts Use Magnetic Boots?
'Walking awkwardly in the magnetic boots that held him to the black mass of meteoric iron...'

Giant Dolphin Spotted On Jupiter!
'Now at last he could appreciate its real size and complexity...'

 

Google
  Web TechNovelgy.com   

Technovelgy (that's tech-novel-gee!) is devoted to the creative science inventions and ideas of sf authors. Look for the Invention Category that interests you, the Glossary, the Invention Timeline, or see what's New.

 

 

 

 

 

Current News

Unfurl The Future! Huawei Mate X versus Galaxy Fold
'A paper thin polycarbon screen unfurled silently from the top of the unit and immediately grew rigid.'

Amazon Echo And Google Home Should Have Morality Software
'The Dwoskin Morality Rating-Computer could 'spot the slightest tendency to deviation' from the social norm...'

China Building Robot Wives
'Want a life-companion, a pleasant one?'

China Social Credit System Like State-Run Whuffie
'At least there was no mandatory Whuffie check on the monorail platform...'

Project Soli Radar Gesture Chip Now FCC Approved
'He waved his hand and the circuit switched abruptly.'

Stan, Robot Valet, Will Drag Your Car Away
'He activated the grapple tracks. '

Jibo Home Robot Says Goodbye, Is Killswitched
'It resembles an oyster....'

Johns Hopkins Says Asteroid Deflection Will Be Difficult
'This obelisk is one huge deflector mechanism...'

Fabric Automatically Cools Or Insulates Based On Environment
'...a high-efficiency filter and heat-exchange system.'

Deepfakes From OpenAI GPT-2 Algorithm
'How can you compete with an IBM heavy-duty logomatic analogue?'

John Deere Self-Driving Tractor
'The huge plow... seemed to shake itself - and began to move back southward.'

North Focals Smart Glasses Provide Augmented Reality In Style
'The world ... is drenched in unfamiliar information all the way to the horizon.'

Tesla Driver Caught Napping Behind The Wheel
'Mary Risling settled back for a little nap...'

Hayabusa 2 To Begin Asteroid Mining
'We must dig down, and then doubtless we shall find the metal.'

Ionocraft Drone Powered By Electrohydrodynamic Thrust
'He saw one hiss by him as he rounded the corner, trailing a short whip antenna...'

Purdue Pharma Ready To Profit From OxyContin Use Or Addiction Recovery
'It may be organic damage. It may be permanent. Time'll tell, and only after you are off Substance D for a long while.'

More SF in the News Stories

More Beyond Technovelgy science news stories

Home | Glossary | Invention Timeline | Category | New | Contact Us | FAQ | Advertise |
Technovelgy.com - where science meets fiction™

Copyright© Technovelgy LLC; all rights reserved.