Death Star
The Death Star is a type of fictional mobile space station and galactic superweapon featured in the "Star Wars" space opera franchise. The first Death Star is stated to be more than 100 km to 160 km in diameter, depending on source. It is crewed by an estimated 1.7 million military personnel and 400,000 droids. The second Death Star is significantly larger, between 160 km to 900 km in diameter depending on source, and technologically more powerful than its predecessor. Both versions of these moon-sized fortresses are designed for massive power-projection capabilities, capable of destroying multiple naval fleets or entire planets with one blast from their superlasers.
Shark Reef at Mandalay Bay
Shark Reef Aquarium was the first closed-system aquarium in North America to exhibit a great hammerhead shark. The female juvenile was less than four feet long when she was accidentally caught off the coast of Florida. The shark was successfully flown into Mandalay Bay in August 2001 on a record 16-hour flight in a special transportation tank designed specifically for it. It remained in a private quarantine tank for 2.5 years until the in-house aquarium husbandry team decided it had grown large enough where it would not fall prey to the other sharks in the exhibit tank. It measured six feet long when it was finally introduced among big public fanfare into the tank on November 3, 2003 for public exhibition. After more than a year on exhibit, the specimen died suddenly and unexpectedly on December 16, 2004. A necropsy later attributed an intestinal infection as the cause of death. The specimen had grown to and weighed in at at time of death.