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NASA spots real 'Death Star' vaporizing a mini planet

Maybe "Star Wars" isn't so fictional after all. NASA's Kepler space telescope discovers a dead star chowing down on a small rocky object.

An artist's idea of what the mini-planet vaporization would look like. CfA/Mark A. Garlick

The Death Star in "Star Wars" is something to be feared. It's a superweapon in space, capable of blasting away a planet on a whim. Darth Vader's deadly ride now has a real-life doppelganger. NASA announced Wednesday it found evidence of a white dwarf star destroying a nearby small rocky object.

NASA's Kepler telescope spotted evidence of the dramatic scene playing out in space. "This discovery validates a long-held theory that white dwarfs are capable of cannibalizing possible remnant planets that have survived within its solar system," NASA noted in a press release.

White dwarfs are dense dead stars that have already been through the supersized red-giant phase of their lifespans and then shrunk in on themselves.

"We are for the first time witnessing a miniature 'planet' ripped apart by intense gravity, being vaporized by starlight and raining rocky material onto its star," said Andrew Vanderburg, lead author of a paper on the findings that was published in the journal Nature on Wednesday.

The "mini planet" described by NASA is more accurately called a planetesimal, which is a small object made up of dust, rock and other space debris. It orbits the white dwarf every 4.5 hours, which means it's dangerously up close and personal with the dying star.

Kepler was able to pick up a regular dimming of the light coming from the white dwarf, indicating the presence of the planetesimal, which showed signs of breaking up in its orbit. "For the last decade we've suspected that white dwarf stars were feeding on the remains of rocky objects, and this result may be the smoking gun we're looking for," NASA staff scientist Fergal Mullally said.

Kepler is currently engaged in its K2 mission of monitoring distant stars and looking for signs of planets around them. The mission started last year.