April 24, 2014
Mohenjo
Science
alien planet, Alien Planets, Alien World, amazon, Astronomy, Berkeley, business, Business News, Earth Like Planet, Geoff Marcy, Goldilocks Zone, habitable planet, Hotels, huffingtonpost, human-rights, Kepler 186f, Kepler Earthlike Planet, Kepler Space Telescope, Kepler Telescope, Life on Other Planets, Los Angeles, medicine, mental-health, NASA Kepler, research, Science, Science News, Search for E.T., Slideshow, Space, technology, Technology News, travel, university-of-california, vacation, Video
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Astronomers have discovered what they say is the most Earth-like planet yet detected — a distant, rocky world that’s similar in size to our own and exists in the Goldilocks zone where it’s not too hot and not too cold for life.
The find, announced Thursday, excited planet hunters who have been scouring the Milky Way galaxy for years for potentially habitable places outside our solar system.
“This is the best case for a habitable planet yet found. The results are absolutely rock solid,” University of California, Berkeley astronomer Geoff Marcy, who had no role in the discovery, said in an email.
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January 2, 2014
Mohenjo
Science
alien planet, Alien Planets, Alien Planets 2013, Alien Worlds, amazon, Astronomers, Astronomy, business, Business News, Earth's moon, Exoplanet, Exoplanets, Habitable Exoplanets, Hotels, huffingtonpost, human-rights, Kepler, Kepler Mission, Kepler Planets, Kepler-37b, medicine, mental-health, NASA, Planets, research, Science, Science News, Search for E.T., Slideshow, Space, technology, Technology News, travel, vacation
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While astronomers didn’t bag that elusive first “alien Earth” in 2013, they made plenty of exciting exoplanet discoveries during the past year.
Here’s a list of the top exoplanet finds of 2013, from a tiny world about the size of Earth’s moon to a blue gas giant on which it rains molten glass:
The smallest exoplanet
In February, astronomers announced the discovery of Kepler-37b, the smallest alien world ever found around a sun-like star. The planet is about 2,400 miles (3,900 kilometers) wide, making it just slightly larger than Earth’s moon.
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Data from NASA’s Kepler mission finds evidence for at least 100 billion planets in our galaxy. Image released January 3, 2013. | NASA
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November 10, 2013
Mohenjo
Science
Alien Planets, amazon, Astronomy, business, Business News, Earth, Earth Sized Planets, Earth Sized Planets Common, Earthlike Planets, Erik Petigura, Exoplanets, habitable planet, Habitable Planets, Habitable Planets Common, Health, Hotels, huffingtonpost, human-rights, Kepler, Kepler Space Telescope, Kepler spacecraft, Kepler Telescope, medicine, mental-health, NASA, planet, Planets, Planets Like Earth, research, Science, Science News, Slideshow, Space, Space Program, technology, Technology News, travel, vacation, Video
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Habitable alien planets similar to Earth may not be that rare in the universe, a new study suggests.
About one in five sunlike stars observed by NASA’s planet-hunting Kepler spacecraft has an Earth-size planet in the so-called habitable zone, where liquid water — and, potentially life — could exist, according to the new study. If these results apply elsewhere in the galaxy, the nearest such planet could be just 12 light-years away.
“Human beings have been looking at the stars for thousands of years,” said study researcher Erik Petigura, a graduate student at the University of California, Berkeley (UC Berkeley). “How many of those stars have planets that are in some way like Earth? We’re very excited today to start to answer that question,” Petigura told SPACE.com. [9 Exoplanets That Could Host Alien Life]
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June 30, 2013
Mohenjo
Science
3 Super Earths, Alien Life, Alien Planets, amazon, Astronomy, business, Environment, european southern observatory, Exoplanets, Gliese 667Cd, Habitable Planets, Habitable Zone, huffingtonpost, life scientists, Paranormal, Planets, research, rocky planets, Science, Science News, Search for E.T., Slideshow, Space, star gliese, Super Earths, technology, Technology News, three suns, Three Super Earths, travel, vacation, Video
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The habitable zone of a nearby star is filled to the brim with planets that could support alien life, scientists announced today (June 25).
An international team of scientists found a record-breaking three potentially habitable planets around the star Gliese 667C, a star 22 light-years from Earth that is orbited by at least six planets, and possibly as many as seven, researchers said. The three planet contenders for alien life are in the star’s “habitable zone” — the temperature region around the star where liquid water could exist. Gliese 667C is part of a three-star system, so the planets could see three suns in their daytime skies.
The three potentially rocky planets in Gliese 667C’s habitable zone are known as super-Earths — exoplanets that are less massive than Neptune but more massive than Earth. Their orbits make them possible candidates for hosting life, officials from the European Southern Observatory said in a statement.
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http://www.huffingtonpost.com/2013/06/25/three-super-earths-star-gliese-667c-_n_3497371.html?ref=topbar
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January 31, 2013
Mohenjo
Science
alien planet, Alien Planets, Astronomy, business, climate, Environment, Exoplanet Habitable Zone, Exoplanets, far distances, goldilocks, Goldilocks Zone, Habitable Zone, Habitable Zone Planets, huffingtonpost, Paranormal, parent star, penn state university, research, Science, Science News, technology, travel, vacation, Video
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One of the most important characteristics of an alien planet is whether or not it falls into what’s called the habitable zone — a Goldilocks-like range of not-too-close, not-too-far distances from the parent star that might allow the planet to host life.
Now scientists have redefined the boundaries of the habitable zone for alien planets, potentially kicking out some exoplanaets that were thought to fall within it, and maybe allowing a few that had been excluded to squeeze in.
“This will have a significant impact on the number of exoplanets that are within habitable zone,” said research team leader Ravi Kumar Kopparapu of Penn State University.
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A new definition of the habitable zone around planets, denoting where liquid water
could exist, shifts Earth toward the very edge of the solar system’s own habitable zone.
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http://www.huffingtonpost.com/2013/01/30/habitable-zone-alien-planet-exoplanet-goldilocks_n_2580640.html?utm_hp_ref=science
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January 1, 2013
Mohenjo
Science
2013 Planet Discoveries, Alien Earth, Alien Earth 2013, alien planet, Alien Planet Discovery, Alien Planets, Alien Worlds, business, catalog image, climate, Earth Twin, Earth-Like Exoplanets, Earth-Like Planets, Environment, epic discovery, Exoplanets, Extraterrestrial Planets, First Alien Earth, huffingtonpost, research, Science, Science News, surface temperature, technology, travel, university of puerto rico, vacation, Video
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The first truly Earth-like alien planet is likely to be spotted next year, an epic discovery that would cause humanity to reassess its place in the universe.
While astronomers have found a number of exoplanets over the last few years that share one or two key traits with our own world — such as size or inferred surface temperature — they have yet to bag a bona fide “alien Earth.” But that should change in 2013, scientists say.
“I’m very positive that the first Earth twin will be discovered next year,” said Abel Mendez, who runs the Planetary Habitability Laboratory at the University of Puerto Rico at Arecibo.
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More exoplanets than expected in the first year of the Habitable Exoplanets Catalog. Image released Dec. 6, 2012.
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http://www.huffingtonpost.com/2012/12/27/first-alien-earth-exoplanet-2013_n_2371919.html?ref=topbar
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December 22, 2012
Mohenjo
Science
Alien Planets, Astronomy, business, climate, cosmic scheme, Exoplanets, Extrasolar Planets, Future, habitable planet, Habitable Planets, Habitable Zone, huffingtonpost, maing, mass just 4.3 times that of Earth, minimum mass, myaol, Planetary Science, Planets, research, Science, Science News, Space, star Tau Ceti, Tau Ceti, technology, travel, vacation, Video
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A sun-like star in our solar system’s backyard may host five planets, including one perhaps capable of supporting life as we know it, a new study reports.
Astronomers have detected five possible alien planets circling the star Tau Ceti, which is less than 12 light-years from Earth — a mere stone’s throw in the cosmic scheme of things. One of the newfound worlds appears to orbit in Tau Ceti’s habitable zone, a range of distances from a star where liquid water can exist on a planet’s surface.
With a minimum mass just 4.3 times that of Earth, this potential planet would be the smallest yet found in the habitable zone of a sun-like star if it’s confirmed, researchers said.
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James' World 2 