Photo of HD 113766, Binary Star System With Dust Ring in Outer Space
Image number: 0003-0710-2308-3368
Description: Royalty-free astronomy stock photo of HD 113766, a binary-star/two-star system where astronomers suspect a rocky Earth-like planet is forming around one of the stars. At approximately 10 to 16 million years old, astronomers suspect this star is at just the right age for forming rocky planets. The system is located approximately 424 light-years away from Earth. The two yellow spots in the image represent the system’s two stars. The brown ring of material circling closest to the central star depicts a huge belt of dusty material, more than 100 times as much as in our asteroid belt, or enough to build a Mars-size planet or larger. The rocky material in the belt represents the early stages of planet formation, when dust grains clump together to form rocks, and rocks collide to form even more massive rocky bodies called planetesimals. The belt is located in the middle of the system’s terrestrial habitable zone, or the region around a star where liquid water could exist on any rocky planets that might form. Earth is located in the middle of our sun’s terrestrial habitable zone. Using NASA’s Spitzer Space Telescope, astronomers learned that the belt material in HD 113866 is more processed than the snowball-like stuff that makes up infant solar systems and comets, which contain pristine ingredients from the early solar system. However, it is not as processed as the stuff found in mature planets and asteroids. This means that the dust belt is made out of just the right mix of materials to be forming an Earth-like planet. It is composed mainly of rocky silicates and metal sulfides (like fool’s gold), similar to the material found in lava flows. The white outer ring shows a concentration of icy dust also detected in the system. This material is at the equivalent position of the asteroid belt in our solar system, but only contains about one-sixth as much material as the inner ring. Photo Credit: NASA/JPL-Caltech
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Keywords: royalty-free, stock photography, stock photos, pictures, images, graphics, posters, fine art prints, astronomy, binary star system, binary star systems, birth of a planet, birth of an earth-like planet, dust, dust ring, in space, nasa, national aeronautics and space administration, outer space, planet, planetesimals, planets, space, star, stars, universe
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