Science/Revelations
12/29/2011 -- International dateline has now moved --- this year was strange indeed Tags: Dutchsinse

Uploaded by dutchsinse on 29 Dec 2011

samoa changes the international dateline: (or was it done at scientists request?!): http://www.abc.net.au/am/content/2011/s3399768.htm

I raise the question because of the OTHER events that happened this year...

greenland sun rises two days early: https://www.google.com/#hl=en&cp=4&gs_id=p&xhr=t&q=greenland+...


Compasses thrown off: first the google search: https://www.google.com/#sclient=psy-ab&hl=en&source=hp&q=compasse...

then watch the videos: http://www.youtube.com/results?search_query=compass+wrong+pole+shift&oq=c...


mass animal deaths: http://www.youtube.com/results?search_query=mass+animal+deaths+2011&oq=ma...


new sign in the zodiac due to change in earths orientation: https://www.google.com/#sclient=psy-ab&hl=en&source=hp&q=new+zodi...


Changing runways to meet the new north is rare: http://www.physorg.com/news/2011-01-tampa-airport-runways-renumbered-due.html


several new comets and meteor showers: http://www.physorg.com/news/2011-01-tampa-airport-runways-renumbered-due.html


earthquake uptick and weather changes: http://www.dutchsinse.com

 

Habitable Exoplanets Catalogue ranks alien worlds on suitability for life Tags: Habitable Exoplanets Catalogue ranks alien worlds life Nasa

 

 

Habitable Exoplanets Catalogue ranks alien worlds on suitability for life

 

Out of hundreds of alien worlds, the catalogue lists only around 15 planets and 30 moons as potentially habitable

 

 

A cosmic directory that lists the planets and moons most likely to harbouralien life was launched by astronomers on Monday.

Scientists created the online catalogue to make sense of the ever-rising number of distant worlds that researchers have spotted with modern telescopes.

They believe the database will help astronomers, and others with an interest, to compare faraway worlds and keep tabs on the most habitable ones as researchers discover them.

More than 700 "exoplanets" have been spotted and verified outside our own solar system in recent decades, while thousands more await confirmation by missions such as Nasa's Kepler space telescope.

The Habitable Exoplanets Catalogue in essence ranks the habitability of planets and moons according to three criteria: their surface temperature, similarity to Earth, and capacity to sustain organisms at the bottom of the food chain.

"One important outcome of these rankings is the ability to compare exoplanets from best to worst candidates for life," said Abel Méndez, director of the planetary habitability laboratory at the University of Puerto Rico in Arecibo.

Only a small proportion of alien worlds appear ripe for life as we know it. The catalogue suggests that among hundreds of candidates, 15 or more planets and 30 moons are potentially habitable.

The catalogue gives high scores for habitability to two confirmed planets. The first, Gliese 581d, is among several that circle one of Earth's nearest stars, a cool red dwarf around 20 light years away in the constellation Libra. The planet is about six times as massive as Earth.

The second planet, HD85512b, orbits a star 36 light years away in the constellation Vela. It is more than three times as heavy as our own planet. Most of the planets astronomers have found are gas giants like Jupiter that are in close orbits around their stars.

Astronomers rank the planets by scoring them on three different scales. The first is called the habitable zone distance, which reflects the planet's position in the Goldilocks region of space around a star, where the conditions are neither too hot nor too cold for liquid water to form. Many astrobiologists consider liquid water essential for life to flourish.

The second scale is called the Earth similarity index, which ranks planets according to how closely their mass, radius, temperature and probability of having an atmosphere matches our own planet.

The third scale ranks planets according to their "global primary habitability", which reflects whether the estimated surface temperatures are suitable for life like plants and phytoplankton to grow. Earth scores quite low on this scale, because some basic organisms would fare better at warmer temperatures.

The database holds information on where the planets are, their probable mass, and the type and age of the star they orbit.

Future space telescopes, such as Nasa's proposed Terrestrial Planet Finder, have been designed to confirm whether alien worlds are suitable for life.

Details of the catalogue were due to be described at the Kepler science conference at Nasa's Ames facility in California on Monday.

"I hope this database will help increase interest in building a big space-based telescope to observe exoplanets directly and look for possible signatures of life," said Jim Kasting, who studies planetary habitability at Penn State University.

Source: http://www.guardian.co.uk/science/2011/dec/05/habitable-exoplanets-catalogue-alien-life

Exoplanet Kepler 22-b offers best hope yet for a new Earth Tags: Exoplanet Kepler 22-b Nasa

 

 

Exoplanet Kepler 22-b offers best hope yet for a new Earth

Nasa discovers planet which is about 2.4 times the size of our own and lies in the 'Goldilocks zone' of its solar system

 

 

 

A new planet outside of Earth's solar system has been identified with many similarities to our own – making it the latest best potential target for life.

Kepler 22-b, which is about 2.4 times the size of Earth and lies in the so-called "Goldilocks zone", has a relatively comfortable surface temperature of about 22C (72F) and orbits a star not unlike Earth's sun.

But while astronomers believe that it "probably" also possesses water and land, earthlings secretly harbouring hopes that such a planet could potentially host new colonies from our own increasingly overpopulated home may be in for a disappointment.

About 600 light-years from Earth, Kepler 22-b is a considerable trek away while experts are not yet sure if it is made mostly of rock, gas or liquid

The discovery was made by Nasa's Kepler planet-hunting telescope. It is the first time Kepler confirmed a planet outside Earth's solar system in the not-too-hot, not-too-cold habitable zone.

Twice before, astronomers have announced planets found in that zone, but neither was as promising. One was disputed; the other is on the hot edge of the zone.

More than 1,000 new planet candidates have been discovered by the Kepler telescope, nearly doubling the previously known count. Ten of the candidates are close to Earth's size while Kepler-22b is the smallest yet found to orbit in the middle of the habitable zone of a star similar to our sun.

"This is a major milestone on the road to finding Earth's twin," said Douglas Hudgins, Kepler program scientist at Nasa headquarters in Washington.

"Kepler's results continue to demonstrate the importance of Nasa's science missions, which aim to answer some of the biggest questions about our place in the universe."

"Fortune smiled upon us with the detection of this planet," said William Borucki, Kepler principal investigator at Nasa's Ames Research Center at Moffett Field, California, who led the team that discovered Kepler 22-b. "The first transit was captured just three days after we declared the spacecraft operationally ready. We witnessed the defining third transit over the 2010 holiday season." Separately, a cosmic directory that lists the planets and moons most likely to harbour alien life was also launched by astronomers.

The online catalogue was created to make sense of the ever-rising number of distant worlds that researchers have spotted with modern telescopes.

More than 700 "exoplanets" have been spotted and verified outside our own solar system in recent decades, while thousands more await confirmation by missions such as Nasa's Kepler space telescope.

The Habitable Exoplanets Catalogue in essence ranks the habitability of planets and moons according to three criteria: their surface temperature, similarity to Earth, and capacity to sustain organisms at the bottom of the food chain.

Source: http://www.guardian.co.uk/science/2011/dec/05/exoplanet-kepler-22-b-nasa-earth

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