2. 从文章的句子：If you step out of the mountains shadows, it will mean moving from terrible cold into great heat.可知月球上的温度很不一样。选C。3. 从文章的句子;The moon is also a very silent(安静的) world, for sound waves (声波)can only travel through air.可知是...
aAt four first meeting we are going to learn about the moon and planets .We have learnt something about them in our science lessons,but at the Space Culb we are going to find out a lot more,We know at scientists have recently made new discover about several of the planets. 在四首次会议...
Concerns about the initial neodymium isotopic ratio of the ferroan anorthosites have been allayed by evidence that the whole Moon (and Mars and Earth) may have a depleted Nd/Sm ratio. However, age results still show no clear distinction between the ferroan anorthosites and the oldest Mg-...
Introduces the phases and other characteristics of the moon through a series of experiments, most of which can be used to start a science fair project.
A new study has revealed that about 21 percent of reptile species worldwide are threatened with extinction. A first-of-its-kind project, which started in 2005, assessed more than 10,000 of reptile species. The findings show that some reptiles, including many species of croc...
Each new tool added to the field of astronomy helped man reach out into space. Until there were telescopes(望远镜), man did not know much about the moon. He did not know that the planet called Saturn(土星) had rings around it. His sight was so limited that he could not see all the...
“A lovely book about the moon by science writer Rebecca Boyle:Our Moon: A Human History. She looks at the moon from all sorts of interesting angles: how it affected the outcome of battles, what it was like for the Apollo astronauts, etc.”Read more... ...
One of Jupiter’s biggest moons has the potential to harbour life in a subsurface sea. The nature of its core will provide information about that ocean. News|15 January 2025 Two companies launch Moon missions together: will they make history?
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America's new documentary "Wonders of the Moon," premiering Friday, July 19 at 10 p.m. EDT/9 p.m. CDT. As the world begins its commemoration of the awe-inspiring first walk on the lunar surface, let's review five of the most recent and fascinating scientific findings about the moon....