由第三段中的 Pressure (压力) from the sunlight would keep the little spaceships in position around the earth… 可知,来自太阳光的压力可使这个小空间站定位在地球的一定距离内,故排除A项;由第三段中的 …mini-umbrellas together could reflect 1.8 percent of sunlight back. 可知,这种微型伞总共只能反射...
根据第二段最后一行句子that means light can pass it directly to reach the earth,with lands and oceans clearly in view.这意味着光可以直接通过它到达地球,陆地和海洋清晰可见.和第三段第二行句子this allows sunlight to be reflected(反射) back to space easily,causing the temperature of the earth's ...
Earth: Mars: Jupiter: Saturn: Uranus: Neptune:
Earth’shorizon, that theconceptionof Earth as a roughly spherical planet rather than as a flat entity was verified by directhumanobservation. Humans first witnessed Earth as a complete orb floating in the inky blackness of space in December 1968 whenApollo8 carried astronauts around theMoon. ...
Siachen Glacier,piedmont glacierlocated in theKarakoram Range. It lies in the heavily glaciated Himalayan region known as the “Third Pole,” because mountain glaciers in this region contain morefresh waterthan is found anywhere else on Earth except for the polar ice caps. The Siachen Glacier li...
NASA graphic showing the average temperatures of planets in the solar system.(Image credit: NASA/Lunar and Planetary Institute) Mars's atmosphereis about 100 times thinner than Earth's. Without a "thermal blanket," Mars can't retain any heat energy. On average, the temperature on Mars is ab...
In the past 200 years, the earth's temperature has increased greatly. It's reported that an increase in the temperature of about 0.7 ℃ appeared at the end of last century. 5. A Some scientists think mini-umbrellas(微型伞) might reduce the earth's temperature.6. G Roger Angel, a scien...
The average surface temperature of Earth keeps around 15℃. A. Y B. N C. NG 相关知识点: 试题来源: 解析 A 正确答案:A解析:参见文章第2段第1句:The average surface temperature of Earth is about 15℃,由此可判断,地球表面的平均气温一般保持在15℃,所以本题的答案为Y。反馈 收藏 ...
Absolute zero is negative infinity in this scale, freezing is 0.0 daltons, water boils at 100, lead melts at around 253, and so forth. Every hundred daltons multiplies the thermodynamic energy by the ratio 373.15/273.15 or approximately 1.37. The converter below will translate between any pair ...
Addis Ababa city as inset map in the Horn of Africa. (Map created by author using QGIS 3.22 software: https://qgis.org/). Full size image Data source Landsat data downloaded from the NASA Earth Data portal (https://lpdaac.usgs.gov/) has been used to extract land surface temperature (...