THE FINAL FRONTIER — New research from NASA may have solved one of the most prevalent astronomy puzzles in recent years. <br /> <br />Dyson spheres are theoretical cosmic megastructures. They envelop a planet with energy-absorbing technology which directs power to a central location. <br /> <br />Some astronomers previously theorized the dimming of Tabby's Star was caused by this. This star is located 1,280 light years from Earth. <br /> <br />New research using data from NASA's Spitzer and Swift space telescopes suggests the dimming is actually due to an dust cloud orbiting the star. <br /> <br />Known as circumstellar dust, NASA says these particles are not small enough to fly into space, but also not big enough to block light all the time on all wavelengths.
