Oh No! there really is a death star...
And it's not in a galaxy far far away, it's in our own backyard so to speak.
It's Saturn’s moon Mimas, from our own solar system, the large crater is named Herschel Crater after the guy who discovered Mimas, William Herschel
Once again due to its orbit of a large gas giant it has also been pummeled and sandblasted over billions of years.
By NASA / JPL-Caltech / Space Science Institute - This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA12570., Public Domain, Link
You know, when they say, "This is a work of fiction, any .... is coincidental"?
Don't believe them.
When they say, "Only the names were changed to protect the innocent"
Get very suspicious.
My moronic bucketheads have been looking for this thing since I somehow forgot where I parked it on NYE of 2016,
Strangely its not the only one. Have a look at Tethys and Iapetus... Iapetus has even got a Death Star 'trench', although its inverted..
This impact probably must of nearly destroyed the moon. I had always wondered if a giant impact had turned Miranda, a moon of Uranus, almost inside out judging by the appearance of it's surface (although there may be other explanations).