Super-Earth 55 Cancri e (artist's impression). It shows a hot partially-molten surface of the planet before and after possible volcanic activity on the day side. Using NASAs Spitzer Space Telescope, the researchers observed thermal emissions coming from the planet, and for the first time found rapidly changing conditions, with temperatures on the hot day side of the planet swinging between 1000 and 2700 degrees Celsius.
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Volcanic Activity on Super Earth 55 Cancri e - NASA Spitzer Space Telescope
Astronomers May Have Found Volcanoes 40 Light-Years From Earth — #Science #Astronomy #Geology via @natgeo
Astronomers Find First Evidence of Possible Volcanic Activity On a Super-Earth Exoplanet Discovering new exoplanets has become rather routine in the last few years, but determining just what conditions exist on any of them is naturally more difficult, since they are so far away. But astronomers are making advances in this area as well, and now they have found the first evidence of changing
Gravitational microlensing. The graphic illustrates how a star can magnify and brighten the light of a background star when it passes in front of the distant star. If the foreground star has planets, then the planets may also magnify the light of the background star, but for a much shorter period of time than their host star. Astronomers use this method, to identify planets. (Credit: NASA, ESA, and A. Feild (STScI)
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Scientists using data from NASA's Kepler mission have confirmed the first near-Earth-size planet orbiting in the habitable zone of a sun-like star. The habitable zone is the region around a star where temperatures are just right for water to exist in its liquid form. The artistic concept compares Earth (left) to the new planet, called Kepler-452b, which is about 60 percent larger. The illustration represents one possible appearance for Kepler-452b...
Kepler-452b & Earth. 2015-07-24. Kepler-452b is the first known near-Earth-size planet orbiting in the habitable zone of a sun-like star. The artistic concept compares Earth (left) to the new planet, which is about 60% larger. BTW we don't know if the planet has oceans and continents. Both planets orbit a G2-type star, but the Kepler star is 6 billion years old, 1.5 billion years older than our Sun. As stars age, they become larger, hotter and brighter. (Image: NASA/Ames/JPL-Caltech/T. Pyle)
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Kepler-452b is older, bigger Earth cousin Kepler 452b #Kepler452b
NASA announced Earth 2.0, a new planet called Kepler 452B with conditions similar to earth
npr: NASAs planet-hunting Kepler Telescope has spotted the first roughly Earth-sized world orbiting in the Goldilocks zone of another star offering perhaps the best bet so far for life elsewhere in the universe. A year on Kepler 452b which is about 1400 light years from us in the constellation Cygnus is 385 days meaning its orbit is just a bit farther away from its star than the Earth is from the sun. That places it squarely within what planetary scientists call the habitable zone or Goldilocks zone not too cold and not too hot. In my mind this is the closest planet indeed to Earth Jon Jenkins Kepler data analysis lead at NASAs Ames Research Center in Moffett Field Calif said at a media briefing. The star is a little bit older and a little bit bigger and brighter so its good that its a bit farther from its star. Kepler Telescope Introduces Earth To A Very Distant Cousin Image: Artists concept compares Earth (left) to the new planet called Kepler-452b which is about 60 percent larger in diameter. Courtesy of NASA/JPL-Caltech/T. Pyle Have a look at 5 Crazy Things Ever Found in Space Why not book a holiday to Mind-Blowing Outer space Attractions?
NASA discovers Earth-like planet in ‘habitable zone’ - Yahoo News
Planet Smaller than Earth Located Over 200 Light Years Away |Photo credit: Artist's rendition of the Kepler-138 system. Credit: Danielle Futselaar/SETI Institute) Mona Evans, "Searching for Extrasolar Planets" www.bellaonline.c...
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The exoplanet Kepler-138 b, shown here in an artist's view, is the first alien planet smaller than the Earth with both its mass and size measured. The planet, found with NASA's Kepler space telescope, orbits a red dwarf star 200 light-years from Earth.
Astronomers have measured the mass and size of a Mars-sized planet named Kepler-138b, orbiting a red dwarf star about 200 light years away. It's the first exoplanet smaller than the Earth to have both its mass and its size measured.
Artist's impression of Kepler 138b by Danielle Futselaar
An artist's impression of schoolboy Tom Wagg's planet, WASP-142b, orbiting its star, WASP-142. The planet is depicted as seen from a hypothetical moon. A second, dimmer star is seen in the background. Being 1000 light-years away, the planet is too distant to obtain a direct image. (Picture credit: David A. Hardy) Mona Evans, "Searching for Extrasolar Planets" www.bellaonline.c...
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An artist's impression of Tom's planet, WASP-142b, orbiting its star, WASP-142. The planet is depicted as seen from a hypothetical moon. A second, dimmer star is seen in the background. Being 1000 light-years away, the planet is too distant to obtain a direct image. Picture credit: David A. Hardy.
Kepler's Six Years In Science (and Counting): By The Numbers. (Image credit: NASA Ames/W Stenzel) The graphic tells NASA's Kepler spacecraft's story by the numbers from the moment it began hunting for planets outside our solar system on May 12, 2009. From the trove of data collected, we have learned that planets are common, that most sun-like stars have at least one planet and that nature makes planets with unimaginable diversity.
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NASA's Kepler Mission Discovered 1,000 Planets In Its Quest to Find Life
NASA's Kepler Discovers First Earth-Size Planet In The 'Habitable Zone' of Another Star. This artist's concept depicts Kepler-186f. (Image Credit: NASA Ames/SETI Institute /JPL-Caltech) Mona Evans, "Searching for Extrasolar Planets" www.bellaonline.c...
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January 2015. New worlds in the habitable zone from Kepler. An artist's conception of one of the newly released exo-worlds, a planet orbiting an ancient planetary nebula. (Credit: David A. Aguilar/CfA) Mona Evans, "Searching for Extrasolar Planets" www.bellaonline.c...
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This artist’s conception depicts an Earthlike planet orbiting an evolved star that has formed a stunning "planetary nebula." Earlier in its life, this planet may have been like one of the eight newly discovered worlds orbiting in the habitable zones of their stars.
The Dumbbell Nebula is a 'planetary nebula' - the sort of stellar remnant that our Sun will leave behind when the fusion reaction at its core burns out
Like Luke Skywalker's planet "Tatooine" in Star Wars, Kepler-16b orbits a pair of stars. Depicted here as a terrestrial planet, Kepler-16b might also be a gas giant like Saturn. Prospects for life on this unusual world aren't good, as it has a temperature similar to that of dry ice. But the discovery indicates that the movie's iconic double-sunset is anything but science fiction. (Credit: NASA/JPL-Caltech)
Vintage Space, Travel Poster
Love these vintage space travel photos from NASA!
Retro travel posters from NASA JPL's "Exoplanet Travel Bureau," based on real exoplanets discovered by Kepler. "Relax on Kepler-16b, where your shadow always has company!"
"Twice as big in volume as the Earth, HD 40307g straddles the line between "Super-Earth" and 'mini-Neptune'. At eight time the Earth's mass, its gravitational pull is much, much stronger." (Credit: NASA/JPL-Caltech) I can't see what the attraction would be of weighing 8 times as much, wouldn't be able to move! And is that someone skydiving? Bad idea.
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"HD 40307g: Experience the Gravity of a Super Earth!" Part of a fun series of retro exoplanet travel posters produced by NASA.
Nasa produces vintage travel posters for newly discovered planets. The planet HD 40307g boasts a far stronger gravitational pull than the earth, but may be popular with skydivers
HD 40307g, Experience the gravity of a super earth (NASA Exoplanet Travel Bureau)
NASA travel poster for HD40307g - free download
NASA's Exoplanet Travel Posters Have Us Planning Our Space Vacation
Nasa Travel Poster - HD 40307g "Experience the Gravity of a Super Earth"
Kepler-186f is the first Earth-size planet discovered in the potentially 'habitable zone' around another star, where liquid water could exist on the planet's surface. Its star is much cooler and redder than our Sun. If plant life exists on such a planet its photosynthesis could have been influenced by the star's red-wavelength photons, giving a color palette very different to the Earthly greens. The discovery was made by Kepler, NASA's planet hunting telescope. (Credit: NASA/JPL-Caltech)
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NASA's throwback travel posters for new planets
Where the Grass is Always Redder on the Other Side (Kepler-186f exoplanet concept art poster by NASA)
The Kepler space telescope has been back in use since 2014. After an ingenious fix, it's now planet-hunting again, reborn as K2. The proposed target regions for the Kepler K2 mission. (Credit: NASA/Kepler)
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NASA’s crippled planet-hunting spacecraft has been repurposed for at least two more years of observation with the K2 mission.
January 2015. NASA's Kepler Space Telescope has, to date, offered scientists more than 4,000 candidate planets -- the 1,000th of which was recently verified. Eight are less than twice Earth-size and in their stars' habitable zone. All eight orbit stars cooler and smaller than our sun. The search continues for Earth-size habitable zone worlds around sun-like stars. (Credit: NASA Ames/W Stenzel)
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How many stars like our sun host planets like our Earth? NASA’s Kepler Space Telescope continuously monitored more than 150,000 stars beyond our solar system, and to date has offered scientists an assortment of more than 4,000 candidate planets for further study -- the 1,000th of which was recently verified.
NASA Kepler's Hall of Fame: Of the more than 1,000 verified planets found by NASA's Kepler Space Telescope, eight are less than twice Earth-size and in their stars' habitable zone. All eight orbit stars cooler and smaller than our sun. The search continues for Earth-size habitable zone worlds around sun-like stars. January 6, 2015 RELEASE 15-004 NASA’s Kepler Marks 1,000th Exoplanet Discovery, Uncovers More Small Worlds in Habitable Zones
February 2, 2011, NASA released Kepler data. This shows Keplers 1200 Planet candidates by size and location on the Photometer array of 42 CCD elements. As the number of Pale Blue Dots increase, so do the chances for finding life on a Second Earth. (Credit: NASA/Wendy Stenzel)
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Visualization of the habitable zone. The red region is too warm, the blue region too cool, and the green region is just right for liquid water. Because it can be described in this way, sometimes it is referred to as the "Goldilocks Zone," too. (Credit: NASA Kepler Mission)
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Researchers have figured out how probable it is for stars in the Milky Way to have planets in the habitable zone, where liquid water could be present, and the result is pretty astounding.
Astronomers have discovered thousands of exoplanets in our galaxy, the Milky Way, using the Kepler satellite and many of them have multiple planets orbiting the host star. By analysing these planetary systems, researchers from the Australian National University and the Niels Bohr Institute in Copenhagen ....
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Habitable zone relative to size of star, comparing the Sun with Gliese 581. You can see that the habitable zone of lower mass stars is closer to the star than the Sun's habitable zone is. Seeing Mars is in the habitable zone also shows that there are factors other than distance involved in habitability. (Credit: ESO)
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By refining the orbit of the planet Gliese 581 d, first discovered in 2007, a team of astronomers has shown that it lies well within the habitable zone, where liquid water oceans could exist. This diagram shows the distances of the planets in the Solar System (upper row) and in the Gliese 581 system (lower row), from their respective stars (left). The habitable zone is indicated as the blue area, showing that Gliese 581 d is located inside the habitable zone around its low-mass red star.
Gliese 581 in 2008 and will reach the star system in 2029
A recent paper submitted by Associate Professor of Astronomy at Columbia University Kristen Menou to the Astrophysical Journal suggests that tidally-locked planets in close orbits to M-class red dwarf stars may host a very unique hydrological cycle. And in some extreme cases, that cycle may cause a curious dichotomy, with ice collecting on the farside hemisphere of the world, leaving a parched sunward side.
HD 40307 system in the constellation Pictor. A Trio of Super-Earths (artist's impression). Credit: ESO
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Chances de vida extraterrestre em outros planetas. A nova equação para estimativa de vida extraterrestre:
Artistic impression of planet Kapteyn b, a potentially habitable planet, with Omega Centauri in the background. (Image: Abel Mendez, Planetary Habitability Laboratory, 2014-07-08)
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Kapteyn's Star is a red dwarf 13 light years from the Sun Read more at http://www.iflscience.com/space/ancient-exoplanet-could-support-life#wV9RBIx1ffUEpYj2.99
This artistic representation shows the potentially habitable exoplanet Kapteyn b and the globular cluster Omega Centauri in the background. It is believed that this cluster is the remaining core of a dwarf galaxy that merged with our own Milky Way Galaxy billions of years ago bringing Kapteyn's star along. Image credit: PHL / UPR Arecibo / Aladin Sky Atlas.
Astronomers Find Oldest (Known) Planet Capable of Supporting Life
The newfound exoplanet candidate Kapteyn b, which lies just 13 light-years away, is about 11.5 billion years old, scientists say. That makes it 2.5 times older than Earth, and just 2 billion years or so younger than the universe itself.
Ancient Planet May Be Able To Support Alien Life, And It's In Our Backyard
Found! Oldest Known Alien Planet That Might Support Life Artistic representation of the potentially habitable world Kapteyn b with the globular cluster Omega Centauri in the background. It is believed that the Omega Centauri is the remaining core of a dwarf galaxy that merged with our own galaxy billions of years ago bringing Kapteyn's star along.
Potentially habitable planets. (Image: Planetary Habitability Laboratory, 2014-07-08)
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The Habitable Exoplanets Catalog - Planetary Habitability Laboratory @ UPR Arecibo
The Habitable Exoplanets Catalog currently records 23 objects of interest. Image credit: PHL / UPR Arecibo
Solar System compared to Kepler-47, a double-star system containing two planets, one orbiting in the habitable zone - where liquid water might exist on the surface of a planet. One star is similar to the sun in size, but not as bright. The second one is tiny and less than 1% as bright as the Sun. This means the system's habitable zone is closer in. One year on Kepler-47c is 303 days, but it's not a world hospitable for life. It seems to be similar to Neptune. (Credit: NASA/JPL-Caltech/T. Pyle)
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The kepler 47 solar system
Orbiting in the Habitable Zone of Two Suns--- This diagram compares our own solar system to Kepler-47, a double-star system containing two planets, one orbiting in the so-called "habitable zone." This is the sweet spot in a planetary system where liquid water might exist on the surface of a planet. Unlike our own solar system, Kepler-47 is home to two stars. One star is similar to the sun in size, but only 84 percent as bright. The second star is diminutive, measuring only one-third the size of the sun and less than one percent as bright. As the stars are smaller than our sun, the systems habitable zone is closer in. The habitable zone of the system is ring-shaped, centered on the larger star. As the primary star orbits the center of mass of the two stars every 7.5 days, the ring of the habitable zone moves around. This artist's rendering shows the planet comfortably orbiting within the habitable zone, similar to where Earth circles the sun. One year, or orbit, on Kepler-47c is 303 days. While not a world hospitable for life, Kepler-47c is thought to be a gaseous giant, slightly larger than Neptune, where an atmosphere of thick bright water-vapor clouds might exist. Credit: NASA/JPL-Caltech/T. Pyle Mission: kepler
Using infrared data from the Subaru Telescope in Hawaii, an international team of astronomers has imaged a giant planet around the bright star GJ 504. Several times the mass of Jupiter and similar in size, the new world, dubbed GJ 504b, is the lowest-mass planet ever detected around a star like the sun using direct imaging techniques.
Exoplanet GJ 504b (artist's depiction). In the constellation Virgo, the planet glows a dark magenta. It's about four times the mass of Jupiter and when discovered in August 2013, was the lowest-mass planet ever directly imaged around a star like the sun. (Image Credit: NASA's Goddard Space Flight Center/S. Wiessinger) Mona Evans, "Virgo the Maiden" www.bellaonline.c...
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Astronomers Discover Lowest Mass Exoplanet yet Orbiting a Sun like Star - Astronomers have announced that they had discovered the lowest mass exoplanet ever to be found orbiting a sun-like Star. The planet has the cryptic name GJ 504b. The planet orbits the star GJ504 at approximately 9 times the distance between the sun and Jupiter. | Geeky Gadgets/Aug 2013
Hot Pink Exoplanet
Astronomers image lowest-mass exoplanet around a sun-like star. Glowing a dark magenta, the newly discovered exoplanet GJ 504b weighs in with about four times Jupiter's mass, making it the lowest-mass planet ever directly imaged around a star like the sun. Image Credit: NASA's Goddard Space Flight Center/S. Wiessinger
Kepler-186f (artist's concept). The planet resides in the Kepler-186 system about 500 light-years from Earth in the constellation Cygnus. The system includes four inner planets, seen lined up in orbit around a host star that is half the size and mass of the sun. (Image Credit: NASA Ames/SETI Institute/JPL-Caltech) Mona Evans, "Searching for Extrasolar Planets" www.bellaonline.c...
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▶ Kepler's New Universe. "Kepler has opened up a new universe. Only about 20 years ago, we didn't know if there were any other planets around any other stars besides our own, now we know we live in a galaxy that contains more planets than stars. Every star in our galaxy has on average 1.6 planets in orbit around it." This video explains how the Kepler mission works.
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Kepler's New Universe. Kepler’s Universe: More Planets in Our Galaxy Than Stars Read more: http://www.universetoday.com/109551/keplers-universe-more-planets-in-our-galaxy-than-stars/#ixzz2tptyvtlH
Kepler mission discovered 715 new planets. 2014-02-26. The artist concept depicts multiple-transiting planet systems, which are stars with more than one planet. The planets eclipse or transit their host star from the vantage point of the observer. This angle is called edge-on. (Image Credit: NASA)