360° Coverage : Dying stars may clue us into extra-terrestrial life

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Dying stars may clue us into extra-terrestrial life
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Dying stars may clue us into extra-terrestrial life

Feb 26 2013, 6:03am CST | by

Washington, Feb 26 (IANS) Dying stars could also host planets with life -- if they do, they might be able to clue our scientists into it within the next decade.

Washington, Feb 26 — Dying stars could also host planets with life -- if they do, they might be able to clue our scientists into it within the next decade. "In the quest for extra-terrestrial...

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1 year ago

Dying stars may clue us into extra-terrestrial life

Feb 26 2013, 6:03am CST | by

Washington, Feb 26 (IANS) Dying stars could also host planets with life -- if they do, they might be able to clue our scientists into it within the next decade.

Washington, Feb 26 — Dying stars could also host planets with life -- if they do, they might be able to clue our scientists into it within the next decade.

"In the quest for extra-terrestrial biological signatures, the first stars we study should be white dwarfs," said Avi Loeb, theorist at the Harvard-Smithsonian Centre for Astrophysics (CfA).

Loeb and his colleague Dan Maoz (Tel Aviv University) estimate that a survey of the 500 closest white dwarfs could spot one or more habitable Earths, the journal Monthly Notices of the Royal Astronomical Society reports.

This encouraging result comes from a new theoretical study of Earth-like planets orbiting white dwarf stars. For instance, oxygen could be detected in the atmosphere of a white dwarf's planet, much more easily than for an Earth-like planet orbiting a Sun-like star, according to a Harvard-Smithsonian statement.

When a star like the Sun dies, it puffs off its outer layers, leaving behind a hot core called a white dwarf.

A typical white dwarf is about the size of Earth. It slowly cools and fades over time, but it can retain heat long enough to warm a nearby world for billions of years.

Since a white dwarf is much smaller and fainter than the Sun, a planet would have to be much closer in to be habitable with liquid water on its surface.

A habitable planet would circle the white dwarf once every 10 hours at a distance of about a million miles.

IANS

Source: IANS

 
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2 days ago

Solar Problems Are Myriad, But Not Always Too Relevant

Aug 20 2014 8:30am CDT | Source: Forbes Real Time

(Someone once said that a reporter describes a battle, while a pundit shoots the survivors, and the next two pieces will reflect that, as I challenge the extreme views pro and con for solar power.) Scientific American, not usually opposed to new power technologies ...
Source: Forbes Real Time   Full article at: Forbes Real Time
 

 
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3 days ago

Hundred-Year Period Of Increased Solar Activity Coming To An End

Aug 19 2014 8:54am CDT | Source: Canada Free Press

At the moment, the space climate is undergoing an extremely interesting phase. Now a 100-year period of heightened solar activity is coming to an end. The reason behind the fluctuation in solar activity is not yet known. One hypothesis is that these long solar cycles are caused by the gravity forces of the planets in the solar system. However, the current knowledge does not support this hypothesis.—Juha Merimaa, H ...
Source: Canada Free Press   Full article at: Canada Free Press
 

 
Update
9

3 days ago

Hundred-Year Period Of Increased Solar Activity Coming To An End

Aug 19 2014 8:54am CDT | Source: Canada Free Press

At the moment, the space climate is undergoing an extremely interesting phase. Now a 100-year period of heightened solar activity is coming to an end. The reason behind the fluctuation in solar activity is not yet known. One hypothesis is that these long solar cycles are caused by the gravity forces of the planets in the solar system. However, the current knowledge does not support this hypothesis.—Juha Merimaa, Helsinki Times, 18 Aug ...
Source: Canada Free Press   Full article at: Canada Free Press
 

 
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1 week ago

Gilbarco, VeriFone partnering on new digital gas pump network

Aug 15 2014 3:00am CDT | Source: Business Journal of the Greater Triad Area

Greensboro gasoline station technology company Gilbarco Veeder-Root will team up with electronic payment company VeriFone on a new payment system and interactive digital media network, the companies have announced. Gilbarco, which makes fuel pumps, media and payment systems and a variety of related technologies, will collaborate with VeriFone on VeriFone’s future gas station payment systems, with Gilbarco acting as the software integration lead as well as sales and service p ...
Source: Business Journal of the Greater Triad Area   Full article at: Business Journal of the Greater Triad Area
 

 
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7

1 week ago

The Solar Industry: Reality Check 2.0

Aug 13 2014 2:00pm CDT | Source: SeekingAlpha

By Jonathan Fishman:A few weeks ago, I published a reality check that consisted of connecting the dots around the fast-moving solar industry.Once again, I offer you my take on the recent news and happenings on the solar industry, which should allow us to connect the dots anew and have a solid view into the rest of 2014. To read my past Reality Check, click here. Fact #1: Japan Is Booming Over the past few months, the notion that the Japanese solar market ...
Source: SeekingAlpha   Full article at: SeekingAlpha
 

 
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5

2 weeks ago

Britain Is Solar-Energy Hot Spot

Aug 3 2014 3:59pm CDT | Source: WSJ.com: Asia Home

Britain, a land of cloudy skies and reliable rain, is fast becoming the hottest spot in Europe for many investors in s ...
Source: WSJ.com: Asia Home   Full article at: WSJ.com: Asia Home
 

 
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3 weeks ago

China Slams U.S. Move on Solar Products

Jul 28 2014 3:09am CDT | Source: WSJ.com: Asia Home

China on Monday hit back at the U.S. for taking another step to close a loophole that allowed some Chinese solar-equipment makers to avoid ...
Source: WSJ.com: Asia Home   Full article at: WSJ.com: Asia Home
 

 
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3 weeks ago

DealBook: Equinox Fitness Is Buying Rest of Millennium’s Gyms

Jul 27 2014 9:19pm CDT | Source: NewYorkTimes-Business Day

The $110 million deal is for the remaining gyms owned by Millennium Partners, and it expands Equinox’s empire to 73 locations worldwide. ...
Source: NewYorkTimes-Business Day   Full article at: NewYorkTimes-Business Day
 

 
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2

3 weeks ago

What $1.25 buys around the globe

Jul 27 2014 5:59pm CDT | Source: CNBC

1 in 5 people in developing regions continue to live on less than $1.25 a day, according to the UN. What can that amount buy? Here's a look ...
Source: CNBC   Full article at: CNBC
 

 
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4 weeks ago

Keep Calm: The Truth About The Huge Solar Flare That Just Missed Earth

Jul 25 2014 10:42am CDT | Source: Forbes Real Time

The news this week that a solar flare nearly destroyed our planet is not only overblown, it's a ...
Source: Forbes Real Time   Full article at: Forbes Real Time
 

 

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<a href="/latest_stories/all/all/8" rel="author">Luigi Lugmayr</a>
Luigi is the founding Chief Editor of I4U News and brings over 15 years experience in the technology field to the ever evolving and exciting world of gadgets. He started I4U News back in 2000 and evolved it into vibrant technology magazine.
Luigi can be contacted directly at ml@i4u.com. Luigi posts regularly on LuigiMe.com about his experience running I4U.

 

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