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Royalty-free NASA illustrated stock photo of a hypothetical moon in orbit around the first known planet to reside in a tight-knit triple-star system. HD 188553 Ab is a gas giant planet, about 1.14 times the mass of Jupiter, with an orbital period of 3.3 days discovered using the Keck I telescope atop Mauna Kea in Hawaii, and zips around a single star that is orbited by a nearby pair of pirouetting stars. Because the stars in this triple system are bunched together, sunsets on the planet, or on any moons that might exist around the planet, would be spectacular. This rambunctious stellar family is called HD188753 and is located 149 light-years away in the constellation Cygnus. Here you see a mountainous landscape with two bright suns above the peaks. Photo Credit: NASA/JPL-Caltech [0003-0710-2021-3357] by 0003
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Keywords
astronomy, cygnus, dusty disk, gas giant, gas giant planet, in space, moon, moons, nasa, national aeronautics and space administration, outer space, planet, planets, space, space exploration, star, stars, sun, suns, triple star system
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