Ummid Assistant

Direct link to CBSE Class 12 results. The results online now:

http://cbseresults.nic.in

Welcome Guest! You are here: Home » Science & Technology

Scientists uncover vast hydrogen reserves in nearby galaxies

Sunday June 03, 2012 10:30:00 AM, IANS

Sydney: More atomic hydrogen gas, which fuels the creation of universe - is lurking in space than previous estimates, according to the first accurate measurement of the gas in galaxies close to our own.

Just after the Big Bang the universe's matter was almost entirely hydrogen atoms. Over time this mass of atoms came together and generated galaxies, stars and planets - and the process is still going on.

By taking a new look at some archival data, Robert Braun, chief scientist at the CSIRO Astronomy and Space Science, Sydney, has discovered that galaxies around us are hiding about a third more atomic hydrogen gas than previously calculated.

The study also shows that the gas is distributed very differently from how it was in the past, with much less in the galaxies' outer suburbs than billions of years ago, The Astrophysical Journal reported.

"This means that it's much harder for galaxies to pull the gas in and form new stars," Braun said. "It's why stars are forming 20 times more slowly now than in the past."

"Even though there's more atomic hydrogen than we thought, it's not a big enough percentage to solve the Dark Matter problem," said Braun, according to a university statement.

"If what we are missing had the weight of a large kangaroo, what we have found would have the weight of a small echidna," Braun said.


 





 

 

 

 

 

 

Home | Top of the Page

Comments

Note: By posting your comments here you agree to the terms and conditions of www.ummid.com

Comments powered by DISQUS

i

i

 

 

 

Top Stories

CBI judge in Hyderabad suspended on Rs.5 crore bribe charge

Andhra Pradesh High Court Chief Justice Madan B. Lokur has suspended a Central Bureau of Investigation (CBI) special judge on corruption  »

Throw out corrupt subordinate court judges: Apex court

Judges appointed without transparency: Delhi high court ex-chief justice

 

  Most Read

Ex-Egyptian president Hosni Mubarak gets jail for life

A court in Cairo sentenced Egypt's former president Hosni Mubarak to life imprisonment Saturday for his involvement  »

End of an era: Hosni Mubarak forced out after 30-year rule

Two dead, curfew in riot-hit Mathura district

The Hindu-Muslim clash in Mathura, although localized, left two people dead and several injured. It has cornered the government and its officials like never before. Police confirmed the death  »

Communal riot add to Mulayam-Akhilesh's headache

 

  News Pick

One year of Ramdev's arrest: Day-long fast in Delhi today

The stage was set Sunday for the day-long joint fast by Yoga Guru Ramdev and anti-corruption crusader Anna Hazare to protest against black money and corruption in the national capital. The fast at Delhi's Jantar Mantar has been  »

Israeli embassy car blast needs probe abroad, court told

Delhi Police Saturday moved an application in a court here saying that the probe in the Feb 13 Israeli embassy car bomb attack has gone international and they needed three months to conclude the investigation,  »

Petrol price cut by Rs.2 a litre

Given that the rate of sales tax or value added tax (VAT) varies from 15 percent to 33 percent in states, additional sales tax of Rs.0.94 to Rs.2.07 per litre is expected to be added  »

 

Picture of the Day

Prime Minister Dr. Manmohan Singh signing the visitor’s book during his visit to the Mausoleum of Bahadur Shah Zafar, in Yangon, Myanmar on May 29, 2012.

 

 
 
 
 
 
 
 

RSS  |  Contact us

 

| Quick links

News

 

Subscribe to

Ummid Assistant

 

National

Science & Technology

RSS

Scholarships

About us

International

Health

Twitter

Government Schemes

Feedback

Regional

History

Facebook

Education

Register

Politics

Opinion

Newsletter

Contact us

Business

Career

Education

     

 

 

Ummid.com: Disclaimer | Terms of Use | Advertise with us | Link Exchange

Ummid.com is part of the Awaz Multimedia & Publications providing World News, News Analysis and Feature Articles on Education, Health. Politics, Technology, Sports, Entertainment, Industry etc. The articles or the views displayed on this website are for public information and in no way describe the editorial views. The users are entitled to use this site subject to the terms and conditions mentioned.

© 2012 Awaz Multimedia & Publications. All rights reserved.