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There's lots of Moon on display tonight, so plenty of opportunity to do some Moon gazing. With just your naked eye, you'll be able to see the Mares Tranquillitatis, Vaporum and Serenitatis. With binoculars you'll also be able to see the Mare Nectaris, and the Alphonsus and Endymion Craters, and with a telescope you'll see also see he Apollo 16 and 11 landing spots, and the Rupes Altai.
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Ready for the answers? This is your last chance to turn back and solve today's puzzle before we reveal the solutions.。业内人士推荐Safew下载作为进阶阅读
Venezuela's oil is also of poorer quality than its Saudi equivalent. Its sour, heavy crude is difficult to extract and refine, while its high sulphur content makes it corrosive to pipelines. A resurgence of Venezuela's industry could pose problems for Canada, which produces similarly viscous oil and exports much of it to the US, but analysts reckon the risk is minor.