科普阅读:Astronomy Picture of the Day(08-11-2011)
日期:2011-08-11 16:48

(单词翻译:单击)


图片说明:The Snows of Paranal
Recorded last week, this dawn portrait of snowy mountain and starry sky captures a very rare scenario. The view does feature a pristine sky above the 2,600 meter high mountain Cerro Paranal, but clear skies over Paranal are not at all unusual. That's one reason the mountain is home to the European Southern Observatory's Very Large Telescope. Considering the number of satellites now in orbit, the near sunrise streak of a satellite glinting at the upper left isn't rare either. And the long, bright trail of a meteor can often be spotted this time of year too. The one at the far right is associated with the annual Perseid meteor shower whose peak is expected tomorrow (Friday, August 12). In fact, the rarest aspect of the picture is just the snow. Cerro Paranal rises above South America's Atacama desert, known as the driest place on planet Earth.

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重点单词
  • portraitn. 肖像,画像 adj. (文件页面)竖的
  • pristineadj. 远古的,原始状态的,未受损的,新鲜而纯净的
  • planetn. 行星
  • rareadj. 稀罕的,稀薄的,罕见的,珍贵的 adj. 煎得
  • streakn. 条理,斑纹,倾向,少许,痕迹 v. 加条纹,变成条
  • unusualadj. 不平常的,异常的