20201014 位于索尔恩霍芬的约1.5亿年前的蜻蜓化石 必应壁纸
蜻蜓化石 位于索尔恩霍芬的约1.5亿年前的蜻蜓化石 有什么比用这只神奇的蜻蜓化石更好的方式来纪念国家化石日呢！很少有人发现这样保存完好的化石，但这个化石是在德国的索伦霍芬发现的，那里的石灰岩沉积揭示了一些最为详细的化石，包括被称为始祖鸟的类鸟恐龙。这只蜻蜓化石被保存在大约1.5亿年前的侏罗纪时期的索伦霍芬石灰岩中。它的尺寸约为5.5英寸对面，后面在美国，我们正在纪念第11个一年一度的国家化石日，由国家公园管理局主办。这是释放你内心深处的古生物学家的最佳时机。化石通常在国家公园等公共土地上被发现，因此公园管理员、科学家和教育工作者通常利用这一天来分享化石如何帮助我们了解古代地球上的生命。如果不能在网上看到最新的化石，就连最新的化石图片都看不到。
英语原文:
What better way to honor National Fossil Day than with this amazing dragonfly! It's rare to find one so well preserved, but this one was discovered in Solnhofen, Germany, where limestone deposits have revealed some of the most detailed fossils ever found—including the bird-like dinosaur called Archaeopteryx. This dragonfly was preserved in the Solnhofen limestone about 150 million years ago in the Jurassic Period. It measures about 5.5 inches across.Back here in the United States we're marking the 11th annual National Fossil Day, hosted by the National Park Service. It's the perfect time to unleash your inner paleontologist. Fossils are often discovered on public lands like national parks, so park rangers, scientists, and educators typically use this day to share how fossils can help us understand what life looked like on an ancient Earth. Even if some events this year can't be held in person, take a moment to look at amazing fossil images online, or read up on the latest fossil news.
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