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The universe is commonly defined as the totality of existence, including planets, stars, galaxies, the contents of intergalactic space, and all matter and energy. Definitions and usage vary and similar terms include the cosmos, the world and nature. Scientific observation of earlier stages in the development of the universe, which can be seen at great distances, suggests that the universe has been governed by the same physical laws and constants throughout most of its extent and history...

A POTD is an acronym for "Photo of the Day", "Picture of the Day", "Post of the Day" or "Poll of the Day". It is a term most commonly used by online digital photography communities as an honor to outstanding photos that are selected daily from among that community's membership. They can either be tagged as POTD or displayed in a special page on that site...

"Taste of Diamonds, Goût de Diamants is a luxury champagne brand. The bottle was designed by luxury designer Alexander Amosu. Champagne is known to be an item of luxury, set to enjoy in upscale settings and special events. Goût de Diamants is a brand that exudes luxury and prestige, as the name translate to “taste of diamonds”. Signature of Superman badge logo, which is made of Swarovski crystal, and have upgraded it to an 18 carat white gold...

Knife could be described as the Mother of all Swiss Army knives. If you count the miniatures inside the tortoise shell handle covers, it has 100 “blades.” They include pocket knife blades of every style imaginable, a serrated blade, two dagger blades, several different types of shears and scissors, an auger, a corkscrew, two saws, a lancet, button hook, cigar cutter, tuning fork, pens and mechanical pencils, mirror, straight razor, and a functional .22-caliber five-shot pinfire revolver...

Outer space (often simply called space) is the void that exists beyond any celestial body including the Earth. It is not completely empty (i.e. a perfect vacuum), but contains a low density of particles, predominantly hydrogen plasma, as well as electromagnetic radiation, magnetic fields, and neutrinos. Theoretically, it also contains dark matter and dark energy...

Mars Reconnaissance Orbiter (MRO) is a multipurpose spacecraft designed to conduct reconnaissance and Exploration of Mars from orbit. The US$720 million spacecraft was built by Lockheed Martin under the supervision of the Jet Propulsion Laboratory. The mission is managed by the JPL, at California Institute of Technology, La Canada Flintridge, California, for the NASA Science Mission Directorate, Washington, D.C. It was launched August 12, 2005, and attained Martian orbit on March 10, 2006...

The Boeing KC-135 Stratotanker is a military aerial refueling aircraft. It and the Boeing 707 airliner were developed from the Boeing 367-80 prototype. The KC-135 was the US Air Force's first jet-powered refueling tanker and replaced the KC-97 Stratotanker. The Stratotanker was initially tasked to refuel strategic bombers, but was used extensively in the Vietnam War and later conflicts such as Operation Desert Storm to extend the range and endurance of US tactical fighters and bombers...