乡下人产国偷v产偷v自拍,国产午夜片在线观看,婷婷成人亚洲综合国产麻豆,久久综合给合久久狠狠狠9

  • <output id="e9wm2"></output>
    <s id="e9wm2"><nobr id="e9wm2"><ins id="e9wm2"></ins></nobr></s>

    • 分享

      Astronomy Picture of the Day—20190125

       NASA航天愛好者 2021-04-12

      Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

      2019 January 25

      Orionover the Austrian Alps

      ImageCredit & Copyright: Luká? Vesely

      Explanation:Do you recognize this constellation? Through the icicles and past the mountainsis Orion, one of the most identifiable star groupings on the sky and an iconfamiliar to humanity for over 30,000 years. Orion has looked pretty much thesame during the past 50,000 years and should continue to look the same for manythousands of years into the future. Orion is quite prominent in the sky thistime of year, a recurring sign of (modern) winter in Earth's northernhemisphere and summer in the south. Pictured, Orion was captured recently abovethe Austrian Alps in a composite of seven images taken by the same camera inthe same location during the same night. Below and slightly to the right ofOrion's three-star belt is the Orion Nebula, while the four bright starssurrounding the belt are, clockwise from the upper left, Betelgeuse, Bellatrix,Rigel, and Saiph.

        轉(zhuǎn)藏 分享 獻(xiàn)花(0

        0條評(píng)論

        發(fā)表

        請(qǐng)遵守用戶 評(píng)論公約

        類似文章 更多