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The far side of the Moon is the hemisphere of the Moon that always faces away from Earth. The far side's terrain is rugged with a multitude of impact craters and relatively few flat lunar maria compared to the near side. Both sides of the Moon experience two weeks of sunlight followed by two weeks of night; even so, the far side is sometimes called the " dark side of the Moon ", where "dark" is used to mean unseen rather than lacking sunlight. About 18 percent of the far side is occasionally visible from Earth due to libration. The remaining 82 percent remained unobserved until , when it was photographed by the Soviet Luna 3 space probe.

Laravel includes a variety of global "helper" PHP functions. Many of these functions are used by the framework itself; however, you are free to use them in your own applications if you find them convenient. The Arr::divide method returns two arrays, one containing the keys, and the other containing the values of the given array:. The Arr::dot method flattens a multi-dimensional array into a single level array that uses "dot" notation to indicate depth:.

Michael J. Republish our articles for free, online or in print, under Creative Commons licence. Our senses are stuck in the past. We hear the past. While sound travels about a kilometre every three seconds, light travels , kilometres every second.

T o take Britain out of the European Union without a deal would be the most wilfully dangerous policy action that any government of this country has taken in modern times. Though ministers continue to mouth the mantra that they would prefer to leave with a deal, no serious effort is being made to achieve one. The prime minister and his team were reported at the weekend to be confident that parliament cannot stop them from crashing out. Conservative MPs, it was said, have been told it is now too late to stop no deal before the 31 October deadline, nearly three months away.