AssetID: 55720729
Headline: Astronomers reveal spectacular 'crystal ball' floating 1,500 light-years from Earth
Caption: A dazzling “Crystal Ball” floating deep in space has been captured in breathtaking detail by astronomers using one of the world’s most powerful telescopes. The stunning image shows NGC 1514 - better known as the Crystal Ball Nebula - glowing with swirling clouds of gas some 1,500 light-years from Earth. Astronomers say the strange object offers a rare glimpse into the dramatic final chapter of a dying star’s life. The image was taken by the 8.1-metre Gemini North telescope, perched on the summit of Maunakea in Hawai‘i. The observatory’s powerful instruments revealed the nebula’s uneven, bubble-like shell in remarkable clarity. At the centre of the glowing cloud are not one, but two stars locked in orbit around each other. Scientists believe their cosmic dance is shaping the nebula into the unusual form seen today. The Crystal Ball Nebula was first discovered in 1790 by astronomer William Herschel, who was stunned by what he saw through his telescope. At the time, Herschel believed nebulae were simply clusters of distant stars too faint to make out individually. But the bright object at the centre of this glowing shell changed his thinking. Writing in 1791, he said the haze around the star was “not of a starry nature” - helping scientists begin to understand that nebulae were something entirely different. Despite its name, a planetary nebula has nothing to do with planets. The term was coined because early astronomers thought the round shapes looked similar to planets through old telescopes. In reality, planetary nebulae are created when stars similar in size to our Sun reach the end of their lives. As they run out of fuel, they cast off huge amounts of gas into space, leaving behind an intensely hot core. That leftover core pumps out radiation which heats the surrounding gas, causing it to glow in vivid colours. The Crystal Ball Nebula is thought to reach temperatures of around 15,000 degrees Kelvin - more than twice as hot as the surface of the Sun. Most planetary nebulae appear fairly smooth and symmetrical, but the Crystal Ball Nebula is far more chaotic. Scientists think one of the two central stars was once several times more massive than our Sun and expelled its outer layers as it died. As the two stars orbit each other every nine years, powerful stellar winds twist and sculpt the expanding gas cloud into its lumpy appearance. Researchers say the image offers a striking snapshot of how stars can dramatically transform the cosmos long after their deaths.
Keywords: feature,photo feature,photo story,Crystal Ball Nebula, NGC 1514, Gemini North telescope, Maunakea, Hawai‘i, planetary nebula, dying star, binary stars, deep space, astronomy, William Herschel, Taurus constellation, space image, stellar death, NSF NOIRLab
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