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English: This artist's concept compares Earth (left) to the new planet, called Kepler-452b, which is about 60 percent larger in diameter.
中文：克卜勒452b的假想图与地球大小的比较，前者直径约为地球大小的1.6倍。

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FILE DESCRIPTION (updated 3 December 2015):

July 23, 2015

Earth's Bigger, Older Cousin -- Artistic Concept - Kepler-452b and Earth

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 50 percent larger. The illustration represents one possible appearance for Kepler-452b -- scientists do not know whether the planet has oceans and continents like Earth.

Both planets orbit a G2-type star of about the same temperature; however, the star hosting Kepler-452b is 6 billion years old, 1.5 billion years older than our sun. As stars age, they become larger, hotter and brighter, as represented in the illustration. Kepler-452b's star appears a bit larger and brighter.

Image credit: NASA/Ames/JPL-Caltech/T. Pyle

Last Updated: Dec. 3, 2015

Editor: Michele Johnson

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NASA PIA19825

Author NASA/Ames/JPL-Caltech
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Public domain This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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current21:44, 23 July 2015Thumbnail for version as of 21:44, 23 July 20154,534 × 2,550 (2.58 MB)DreamLiner{{Information |Description ={{en|1=This artist's concept compares Earth (left) to the new planet, called Kepler-452b, which is about 60 percent larger in diameter.}} {{zh|1=克卜勒452b的假想图与地球大小的比较，前者约为地球大小...

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