HOME BZU Mail Box Online Games Radio and TV Live Cricket Score All Albums
Go Back   BZU PAGES: Find Presentations, Reports, Student's Assignments and Daily Discussion; Bahauddin Zakariya University Multan Welcome to all the Students Articles Science & Technology


Reply
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 18-09-2010, 04:02 AM   #1
Habitable exoplanet could be identified next year
.BZU. .BZU. is offline 18-09-2010, 04:02 AM


The odds are that a habitable exoplanet will be found by the middle of next year if the rate of discovery continues at its current pace, two scientists say.

Name:  XtraSolarImagPlanet.jpg
Views: 136
Size:  24.7 KB

Using data on the exoplanets discovered so far, Samuel Arbesman, a computational biologist at Harvard Medical School and astronomer Gregory Laughlin of the University of California say there's a 50:50 chance that an Earth-sized planet capable of holding liquid water will be found during the first half of 2011.

They created a scale for the habitability of a planet based on its surface temperature at the poles and equator, and its mass, which determines gravity, and applied this to 370 previously discovered planets.

They then plotted each planet's habitability against its date of discovery. Extrapolating this data, they concluded that there's a 50 percent chance that a habitable planet will be discovered by May, and that the likeliest date of discovery is early May.

They say there's a two-thirds chance that a habitable planet will be doscovered by the end of 2013, and a 75 percent chance of finding one by 2020.

"In the past decades, the number of known extrasolar planets has ballooned into the hundreds, and with it the expectation that the discovery of the first Earth-like extrasolar planet is not far off," say the authors.

"Using a bootstrap analysis of currently discovered exoplanets, we predict the discovery of the first Earth-like planet to be announced in the first half of 2011."

More than 450 exoplanets have been discovered so far, but most are gas giants like Jupiter with no solid surface. In June, a team using the Kepler telescope said they'd found another 750 possible exoplanets, some of which may be Earth-like.


Title: A Scientometric Prediction of the Discovery of the First Potentially Habitable Planet with a Mass Similar to Earth

Abstract: The search for a habitable extrasolar planet has long interested scientists, but only recently have the tools become available to search for such planets. In the past decades, the number of known extrasolar planets has ballooned into the hundreds, and with it the expectation that the discovery of the first Earth-like extrasolar planet is not far off. Here we develop a novel metric of habitability for discovered planets, and use this to arrive at a prediction for when the first habitable planet will be discovered. Using a bootstrap analysis of currently discovered exoplanets, we predict the discovery of the first Earth-like planet to be announced in the first half of 2011, with the likeliest date being early May 2011. Our predictions, using only the properties of previously discovered exoplanets, accord well with external estimates for the discovery of the first potentially habitable extrasolar planet, and highlights the the usefulness of predictive scientometric techniques to understand the pace of scientific discovery in many fields.

__________________
(`v)
`*..*`

.*.*) .*)
(.* (.
Bzu Forum

Don't cry because it's over, smile because it happened

 
.BZU.'s Avatar
.BZU.


Join Date: Sep 2007
Location: near Govt College of Science Multan Pakistan
Posts: 9,688
Contact Number: Removed
Program / Discipline: BSIT
Class Roll Number: 07-15
Views: 1041
Reply With Quote
Reply

Tags
exoplanet, habitable, identified, year


Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On


Similar Threads
Thread Thread Starter Forum Replies Last Post
Aleem Dar wins the David Shepherd Trophy for ICC Umpire of the Year 2011 (3rd consecutive year) .BZU. Sports/Games 0 13-09-2011 03:26 AM
Best Couple of the Year! Raheel Funniest Pictures 2 16-09-2010 03:42 PM
Cartoon of the Year.. Raheel Funniest Pictures 2 15-02-2010 04:08 PM
Result Announced LLB 3-Year and 5-Year Nadeem Iqbal University News and Events 0 11-01-2010 05:04 PM
Husband of the Year.. Raheel Funniest Pictures 3 23-12-2009 08:51 PM

Best view in Firefox
Almuslimeen.info | Cloud Computing | Dedicated server hosting
Note: All trademarks and copyrights held by respective owners. We will take action against any copyright violation if it is proved to us.

All times are GMT +5. The time now is 10:18 PM.

Powered by vBulletin® Version 3.8.2
Copyright ©2000 - 2018, Jelsoft Enterprises Ltd.
This website uses cookies to improve your experience. We'll assume you're ok with this, but you can opt-out if you wish.