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Distant planets

Scientists for the first time have detected water in the atmosphere of an Earth-like planet orbiting a distant star, evidence that a key ingredient for life exists beyond our solar system. Water vapor was found in the atmosphere of K2-18b (pictured in artist\u0027s impression), one of hundreds of \
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Scientists for the first time have detected water in the atmosphere of an Earth-like planet orbiting a distant star, evidence that a key ingredient for life exists beyond our solar system. Water vapor was found in the atmosphere of K2-18b (pictured in artist's impression), one of hundreds of "super-Earths" - worlds ranging in size between Earth and Neptune - documented in a growing new field of astronomy devoted to the exploration of so-called exoplanets elsewhere in the Milky Way galaxy. ESA/Hubble/M. Kornmesser/NASA

Sep 12, 2019 2:00 PM BST
The possible surface of TRAPPIST-1f, one of seven discovered planets in the TRAPPIST-1 system that scientists using the Spitzer Space Telescope and ground based telescopes discovered.  



NASA/JPL-Caltech
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The possible surface of TRAPPIST-1f, one of seven discovered planets in the TRAPPIST-1 system that scientists using the Spitzer Space Telescope and ground based telescopes discovered. NASA/JPL-Caltech

Sep 12, 2019 2:00 PM BST
An imagined view of the three planets orbiting an ultracool dwarf star just 40 light-years from Earth discovered using a specialist telescope at ESO\u0027s La Silla Observatoryin Chile. 


ESO/M. Kornmesser/N. Risinger
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An imagined view of the three planets orbiting an ultracool dwarf star just 40 light-years from Earth discovered using a specialist telescope at ESO's La Silla Observatoryin Chile. ESO/M. Kornmesser/N. Risinger

Sep 12, 2019 2:00 PM BST
A artist\u0027s impression of the surface of the planet Proxima orbiting the red dwarf star Proxima Centauri, the closest star to our Solar System. 

ESO/M. Kornmesser/via Reuters
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A artist's impression of the surface of the planet Proxima orbiting the red dwarf star Proxima Centauri, the closest star to our Solar System. ESO/M. Kornmesser/via Reuters

Sep 12, 2019 2:00 PM BST
An illustration compares Earth to a planet beyond the solar system that is a close match to Earth, called Kepler-452b. The planet, which is about 60 percent bigger than Earth, is located about 1,400 light years away in the constellation Cygnus. REUTERS/NASA/Ames/JPL-Caltech/T. Pyle
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An illustration compares Earth to a planet beyond the solar system that is a close match to Earth, called Kepler-452b. The planet, which is about 60 percent bigger than Earth, is located about 1,400 light years away in the constellation Cygnus. REUTERS/NASA/Ames/JPL-Caltech/T. Pyle

Sep 12, 2019 2:00 PM BST
An artist\u0027s concept depicts select planetary discoveries made so far by NASA\u0027s Kepler space telescope. 


Courtesy W. Stenzel/NASA
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An artist's concept depicts select planetary discoveries made so far by NASA's Kepler space telescope. Courtesy W. Stenzel/NASA

Sep 12, 2019 2:00 PM BST
The planet Kepler-186f, the first validated Earth-size planet to orbit a distant star in the habitable zone,  which is a range of distance from a star where liquid water might pool on the planet\u0027s surface. The discovery is the closest scientists have come so far to finding a true Earth twin. The star, known as Kepler-186 and located about 500 light years away in the constellation Cygnus, is smaller and redder than the sun.  REUTERS/NASA/JPL-Caltech
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The planet Kepler-186f, the first validated Earth-size planet to orbit a distant star in the habitable zone, which is a range of distance from a star where liquid water might pool on the planet's surface. The discovery is the closest scientists have come so far to finding a true Earth twin. The star, known as Kepler-186 and located about 500 light years away in the constellation Cygnus, is smaller and redder than the sun. REUTERS/NASA/JPL-Caltech

Sep 12, 2019 2:00 PM BST
A planet-like object dubbed Sedna,  a small icy body far beyond Pluto and the Kuiper Belt, a discovery that calls into question exactly what was going on during the early days of the solar system.  


 REUTERS/NASA/JPL-Caltech
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A planet-like object dubbed Sedna, a small icy body far beyond Pluto and the Kuiper Belt, a discovery that calls into question exactly what was going on during the early days of the solar system. REUTERS/NASA/JPL-Caltech

Sep 12, 2019 2:00 PM BST
The Jupiter-size extrasolar planet, HD 189733b, being eclipsed by its parent star. The planet is a \u0027hot Jupiter\u0027, so close to its parent star that it completes an orbit in only 2.2 days.


REUTERS/ESA/NASA/M. Kornmesser (ESA/Hubble)/STScI.
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The Jupiter-size extrasolar planet, HD 189733b, being eclipsed by its parent star. The planet is a 'hot Jupiter', so close to its parent star that it completes an orbit in only 2.2 days. REUTERS/ESA/NASA/M. Kornmesser (ESA/Hubble)/STScI.

Sep 12, 2019 2:00 PM BST
Dwarf planet Ceres is seen in the main asteroid belt between the orbits of Mars and Jupiter. Ceres, one of the most intriguing objects in the solar system, is gushing water vapor from its frigid surface into space, in a finding that raises questions about whether it might be hospitable to life. REUTERS/NASA/ESA
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Dwarf planet Ceres is seen in the main asteroid belt between the orbits of Mars and Jupiter. Ceres, one of the most intriguing objects in the solar system, is gushing water vapor from its frigid surface into space, in a finding that raises questions about whether it might be hospitable to life. REUTERS/NASA/ESA

Sep 12, 2019 2:00 PM BST
An artist\u0027s impression shows a sunset seen from the super-Earth Gliese 667 Cc. Astronomers have estimated  there are tens of billions of such rocky worlds orbiting faint red dwarf stars in the Milky Way alone. REUTERS/ESO/L. Calcada
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An artist's impression shows a sunset seen from the super-Earth Gliese 667 Cc. Astronomers have estimated there are tens of billions of such rocky worlds orbiting faint red dwarf stars in the Milky Way alone. REUTERS/ESO/L. Calcada

Sep 12, 2019 2:00 PM BST
A view of a Saturn-sized planet orbiting 79 Ceti. 

REUTERS/Stringer
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A view of a Saturn-sized planet orbiting 79 Ceti. REUTERS/Stringer

Sep 12, 2019 2:00 PM BST
An artist\u0027s depiction of Kepler-62e. The super Earth-size planet is in the habitable zone of a star smaller and cooler than the sun, located about 1,200 light-years from Earth in the constellation Lyra. 


REUTERS/NASA Ames/JPL-Caltech
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An artist's depiction of Kepler-62e. The super Earth-size planet is in the habitable zone of a star smaller and cooler than the sun, located about 1,200 light-years from Earth in the constellation Lyra. REUTERS/NASA Ames/JPL-Caltech

Sep 12, 2019 2:00 PM BST
Kepler-22b, the most Earth-like planet ever discovered, is circling a star 600 light years away. It is the smallest and the best positioned to have liquid water on its surface - among the ingredients necessary for life on Earth. 


REUTERS/NASA/Ames/JPL-Caltech
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Kepler-22b, the most Earth-like planet ever discovered, is circling a star 600 light years away. It is the smallest and the best positioned to have liquid water on its surface - among the ingredients necessary for life on Earth. REUTERS/NASA/Ames/JPL-Caltech

Sep 12, 2019 2:00 PM BST
A newly discovered planet, designated by the unglamorous identifier of OGLE-2005-BLG-390Lb, orbits a red star five times less massive than the Sun and located at a distance of about 20,000 light years. 


REUTERS/ESO
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A newly discovered planet, designated by the unglamorous identifier of OGLE-2005-BLG-390Lb, orbits a red star five times less massive than the Sun and located at a distance of about 20,000 light years. REUTERS/ESO

Sep 12, 2019 2:00 PM BST
An artist\u0027s impression shows the planet orbiting the star Alpha Centauri B, a member of the triple star system that is the closest to Earth. Our own Sun is visible to the upper right. 

REUTERS/ESO
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An artist's impression shows the planet orbiting the star Alpha Centauri B, a member of the triple star system that is the closest to Earth. Our own Sun is visible to the upper right. REUTERS/ESO

Sep 12, 2019 2:00 PM BST
An artist\u0027s conception of the tiny new planet Kepler-37b, which is slightly larger than Earth\u0027s moon and orbits its host star every 13 days. It likely has a surface temperature of in excess of 400C (700F). Astronomers don\u0027t think the tiny planet has an atmosphere or could support life as we know it, but the moon-size world is almost certainly rocky in composition. REUTERS/NASA/Ames/JPL-Caltech
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An artist's conception of the tiny new planet Kepler-37b, which is slightly larger than Earth's moon and orbits its host star every 13 days. It likely has a surface temperature of in excess of 400C (700F). Astronomers don't think the tiny planet has an atmosphere or could support life as we know it, but the moon-size world is almost certainly rocky in composition. REUTERS/NASA/Ames/JPL-Caltech

Sep 12, 2019 2:00 PM BST
Kepler-11, a sun-like star around which six planets orbit. At times, two or more planets pass in front of the star at once, as shown in a simultaneous transit of three planets. 

REUTERS/Tim Pyle/NASA
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Kepler-11, a sun-like star around which six planets orbit. At times, two or more planets pass in front of the star at once, as shown in a simultaneous transit of three planets. REUTERS/Tim Pyle/NASA

Sep 12, 2019 2:00 PM BST
The first visible-light snapshot of a planet circling another star. Estimated to be no more than three times Jupiter\u0027s mass, the planet, called Fomalhaut b, orbits the bright southern star Fomalhaut, located 25 light-years away in the constellation Piscis Australis, or the \
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The first visible-light snapshot of a planet circling another star. Estimated to be no more than three times Jupiter's mass, the planet, called Fomalhaut b, orbits the bright southern star Fomalhaut, located 25 light-years away in the constellation Piscis Australis, or the "Southern Fish." REUTERS/NASA, ESA, P. Kalas, J. Graham, E. Chiang, E. Kite (University of California, Berkeley), M. Clampin (NASA Goddard Space Flight Center), M. Fitzgerald (Lawrence Livermore National Laboratory), and K. Stapelfeldt and J. Krist (NASA Jet Propulsion Laboratory

Sep 12, 2019 2:00 PM BST
A baffling planet, known as HAT-P-1, that is much larger than theory predicts. The planet has a radius about 1.38 times Jupiter\u0027s but contains only half Jupiter\u0027s mass. 

REUTERS/David A. Aguilar
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A baffling planet, known as HAT-P-1, that is much larger than theory predicts. The planet has a radius about 1.38 times Jupiter's but contains only half Jupiter's mass. REUTERS/David A. Aguilar

Sep 12, 2019 2:00 PM BST
A rich starry sky fills the view from an ancient gas-giant planet in the core of the globular star cluster M4. The 13-billion-year-old planet orbits a helium white-dwarf star and the millisecond pulsar B1620-26, seen at lower left. The globular cluster is deficient in heavier elements for making planets, so the existence of such a world implies that planet formation may have been quite efficient in the early universe. 

REUTERS/NASA
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A rich starry sky fills the view from an ancient gas-giant planet in the core of the globular star cluster M4. The 13-billion-year-old planet orbits a helium white-dwarf star and the millisecond pulsar B1620-26, seen at lower left. The globular cluster is deficient in heavier elements for making planets, so the existence of such a world implies that planet formation may have been quite efficient in the early universe. REUTERS/NASA

Sep 12, 2019 2:00 PM BST
The circumbinary planet Kepler-16b - the first planet known to definitively orbit two stars. The cold planet, with its gaseous surface, is not thought to be habitable. The largest of the two stars, a K dwarf, is about 69 percent the mass of our sun, and the smallest, a red dwarf, is about 20 percent the sun\u0027s mass. These star pairs are called eclipsing binaries. REUTERS/NASA/JPL-Caltech/T. Pyle/Handout
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The circumbinary planet Kepler-16b - the first planet known to definitively orbit two stars. The cold planet, with its gaseous surface, is not thought to be habitable. The largest of the two stars, a K dwarf, is about 69 percent the mass of our sun, and the smallest, a red dwarf, is about 20 percent the sun's mass. These star pairs are called eclipsing binaries. REUTERS/NASA/JPL-Caltech/T. Pyle/Handout

Sep 12, 2019 2:00 PM BST
Planet 2003UB313, the most distant object ever detected orbiting the sun, at the lonely outer fringes of our solar system. Our sun can be seen in the distance. The planet is at least as big as Pluto and about three times farther away from the Sun than Pluto. 


REUTERS/NASA/JPL-Caltech
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Planet 2003UB313, the most distant object ever detected orbiting the sun, at the lonely outer fringes of our solar system. Our sun can be seen in the distance. The planet is at least as big as Pluto and about three times farther away from the Sun than Pluto. REUTERS/NASA/JPL-Caltech

Sep 12, 2019 2:00 PM BST
A Jupiter-sized planet passing in front of its parent star. Such events are called transits. When the planet transits the star, the star\u0027s apparent brightness drops by a few percent for a short period. 


REUTERS/NASA/ESA/G. Bacon
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A Jupiter-sized planet passing in front of its parent star. Such events are called transits. When the planet transits the star, the star's apparent brightness drops by a few percent for a short period. REUTERS/NASA/ESA/G. Bacon

Sep 12, 2019 2:00 PM BST
The planet Kepler-16b with its two stars. The cold planet, with its gaseous surface, is not thought to be habitable. The largest of the two stars, a K dwarf, is about 69 percent the mass of our sun, and the smallest, a red dwarf, is about 20 percent the sun\u0027s mass. 


REUTERS/NASA/JPL-Caltech/R. Hurt
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The planet Kepler-16b with its two stars. The cold planet, with its gaseous surface, is not thought to be habitable. The largest of the two stars, a K dwarf, is about 69 percent the mass of our sun, and the smallest, a red dwarf, is about 20 percent the sun's mass. REUTERS/NASA/JPL-Caltech/R. Hurt

Sep 12, 2019 2:00 PM BST
A unique type of exoplanet discovered with the Hubble Space Telescope. The planet is so close it to its star that it completes an orbit in 10.5 hours. The planet is only 750,000 miles from the star, or 1/130th the distance between Earth and the Sun. 


REUTERS/NASA/ESA/A. Schaller
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A unique type of exoplanet discovered with the Hubble Space Telescope. The planet is so close it to its star that it completes an orbit in 10.5 hours. The planet is only 750,000 miles from the star, or 1/130th the distance between Earth and the Sun. REUTERS/NASA/ESA/A. Schaller

Sep 12, 2019 2:00 PM BST
A fledgling solar system containing deep within it enough water vapor to fill all the oceans on Earth five times, located in our Milky Way galaxy about 1,000 light years from Earth in the constellation Perseus. 


REUTERS/NASA/JPL-Caltech
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A fledgling solar system containing deep within it enough water vapor to fill all the oceans on Earth five times, located in our Milky Way galaxy about 1,000 light years from Earth in the constellation Perseus. REUTERS/NASA/JPL-Caltech

Sep 12, 2019 2:00 PM BST
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