A necessary condition for such a dynamo is the existence of an electrically conducting liquid region within the planet. It is investigated whether or not Mercury could contain a molten metallic coredoi:10.1038/262765a0PEALES. J.NatureDoes Mercury have a molten core? Nature 262 - Peale - 1976...
正确答案:A 解析:组织结构题。线索词为教授所说:Well,we know that the Moon is cold and it was also thought that the Moon was too small to have had a molten core…教授提及月球大小是为了解释为什么月球不可能有一个液态内核。B选项错误,地球拥有液态内核,而根据月球大小判定月球没有类似的内核。C和D...
When the Earth and moon were still finding their way around the solar system, the moon still had a molten core that made the moon have its own... Learn more about this topic: Earth's Magnetic Field | Definition, Causes & Importance ...
A.The Moon has no water.B.The Moon contains almost no iron.C.Thy Moon is the largest moon in the solar system.D.The Moon does not have a molten core. 点击查看答案手机看题 单项选择题 According to the report, how many casualties by {ar are directly due to the radiation A.about 4,...
Well, for one thing, the moon is cold and it’s also thought that the moon is too small to have a molten core.So it came as a big surprise when astronauts returned with rock samples that had been magnetized.Well, ever since those early missions, scientists have been debating the answer...
Where does the sediment that makes up the continental rise come from? a. Continents via Rivers b. From the Ocean Floor c. Volcanoes d. Hawaii Continental Rise: Continental rise is a type of gently inclined slope. It generally ...
Only a little heating will soften the ice and get the process started, allowing the rock and metal to sink to the center and the slushy ice to float to the surface. Yet Callisto seems to have frozen solid before the process of differentiation was complete. [#paragraph3]Like our Moon’s ...
Q: How big does an object have to be to gravitationally attract a Human or have a molten core? The original question was: I was reading up on Hyperion, Saturn’s moon, and one of the least dense objects in the solar system, and it hit me – what is ...
Traditionally I hate RTS (real time strategy) as I like to ponder and choose and not feel like The game is a click-frenzy; howeverNorthgardis so darn good I have to share. It is friendly to new players, has good gameplay which scales well, both single player campaign and multiplayer, ...
prograde orbits – i.e. they orbit in the same direction as the rotation of their planet. These orbits are also nearly circular and have a low inclination, meaning they orbit close to Jupiter’s equator. Of these, theGalilean Moons(aka. the Main Group) are the largest and the most well...