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S-type asteroids carry little water but are more attractive because they contain numerous metals, including nickel, cobalt, and more valuable metals, such as gold, platinum, and rhodium. A small 10-meter S-type asteroid contains about 650,000 kg (1,433,000 lb) of metal with 50 kg (110 lb) in the form of rare metals like platinum and gold.
As a stunt to publicise the 99.999% pure one-ounce Canadian Gold Maple Leaf series, in 2007 the Royal Canadian Mint made a 100 kg 99.999% gold coin, with a face value of $1 million, and now manufactures them to order, but at a substantial premium over the market value of the gold. [3] [4]
Lighthouse is an open-source, automated tool for measuring the quality of web pages developed by Google. It can be run against any web page, public or, requiring authentication. It can be run against any web page, public or, requiring authentication.
Dungeons & Dragons is a structured yet open-ended role-playing game. It is normally played indoors with the participants seated around a tabletop. Typically, one player takes on the role of Dungeon Master (DM) while the others each control a single character, representing an individual in a fictional setting. [24]
Tapestry showing Arthur as one of the Nine Worthies, wearing a coat of arms often attributed to him, [1] c. 1385. King Arthur (Welsh: Brenin Arthur, Cornish: Arthur Gernow, Breton: Roue Arzhur, French: Roi Arthur), according to legends, was a king of Britain.
There was a time when deviations from the truly beautiful page proportions : , : , and the Golden Section were rare. Many books produced between 1550 and 1770 show these proportions exactly, to within half a millimeter. [82]
The 35-foot lighthouse was dedicated on March 25, 1988. Built of bricks covered with stucco, the lighthouse stands sentry over the Port of Mount Dora. Its 750-watt photocell powers a blue pulsator, sending out a guiding light to all boaters navigating Lake Dora after dusk. The Mount Dora Light is the only inland freshwater lighthouse in Florida.
The price information service ISE - Institute of Rare Earths Elements and Strategic Metals - gives for various lithium substances in the average of March to August 2022 the following kilo prices stable in the course: Lithium carbonate, purity 99.5% min, from various producers between 63 and 72 EUR/kg.