古希腊学者知道阳历年和阴历年之间的区别。地球围绕太阳一圈需花费一年的时间，这等同于月球围绕地球转了大约12圈。 作者：ZDF/Terra X/Tobias Schultes/WENDEVARGA 翻译与配音 : alugha 点击这里查看更多视频：https://alugha.com/TerraX
The new governmental "Green Button" seal of approval was introduced at the end of 2019. Companies must prove that they act responsibly in terms of human rights, social and environmental issues. In addition, 26 criteria are assessed on the product side. Authors: 3sat/nano/medicine/Dunja Keuper/Johan
In 1977, NASA's Voyager 2 space probe began its journey to the planets of our solar system.. But the probe also provides clues about the solar system beyond the planets. Author: ZDF/Terra X/C. Haak/A.M. Wendlandt, Nikolai Holzach Translation and redub: alugha Click here to see more videos: https
The global distribution of human skin tones matches the intensity of UV radiation. At the equator, where radiation is highest, dark skin protects against radiation damage. In the north, on the other hand, lighter skin is beneficial. Author: ZDF/Terra X/Tobias Schultes/Albrecht M. Wendlandt Transla
