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Distant planets

An illustration compares Earth (L) 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.
Kepler-186f is seen in a NASA artist's concept released April 17, 2014. The planet is 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.
A newly discovered planet-like object, dubbed "Sedna" is seen in this artist's concept released by NASA March 26, 2014. Astronomers have found 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.
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. 
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. 
A view of a Saturn-sized planet orbiting 79 Ceti.
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.
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.
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.
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. 
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. 
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.
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. 

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