the second-largest natural satellite of Saturn. However, the Cassini spacecraftcould not find any evidence of a subsatellite around Rheaduring its mission. It is also hypothesized that Iapetus, Saturn’s third-largest moon, may have had a subsatellite in the past. ...
Travel是不及物动词。40000miles可以整体看做是副词，表示程度。例如：I wait a long time. 表示等这个动作持续了很长时间，a long time不是 wait的宾语。
Pictures from the Elektro-L No.1 Russian weather satellite of Earth are the highest-detail images yet, and come in at 121 megapixels. The color scheme comes from the image capture method, which combines data from three visible and one infrared wavelengths of light when it takes full-sized i...
Thousands of years ago,people didn’t know why sometimes the moon is full and sometimes it is crescent(弯曲)shaped,and even sometimes it can’t be seen at all.The moon was a great mystery(谜)to them.They made up stories about the great light in the night sky.They thought there was ...
Stunning before-and-after satellite photos show how one of the most active volcanoes in Central America scorched the Earth near GuatemalaRosie Perper
guidance system operators can easily loose around $1000/day for each idle machine. On top of that, valuable time is lost and workers in the field get demotivated. Having a high quality GNSS (Global Navigation Satellite System) receiver with the right technology inside allows machine contro...
See the winning Landsat satellite pictures of our planet in the "Earth as Art" contest, decided by public voting.
awhy do you have think 为什么您有认为 [translate] aA 'Blue Marble' image of the Earth taken from the VIIRS instrument aboard NASA's most recently launched Earth-observing satellite 从VIIRS仪器采取的地球的‘蓝色大理石’图象美国航空航天局最近被发射地球观察卫星 [translate] ...
In a world where cars, electric cables, satellite dishes and buildings, have changed our landscapes, come to recharge your batteries in sustainable tourism destinations in a preserved nature. Discover the most beautiful sustainable landscapes in Europe. EDEN, the acronym for "European Destinations o...
And the biggest of all is the International Space Station (ISS). From May to July is the best season to watch the ISS flying over the earth. And people can see it with their eyes. The ISS is the biggest satellite(人造卫星) and scientists want to live on it. They think that the ...