是月球地质证据,一旦与地球相撞?- 江南体育网页版- - - - -地球科学堆江南电子竞技平台栈交换 最近30从www.hoelymoley.com 2023 - 08 - 04 - t03:06:44z //www.hoelymoley.com/feeds/question/2226 https://creativecommons.org/licenses/by-sa/4.0/rdf //www.hoelymoley.com/q/2226 22 是月球地质证据,一旦与地球相撞? f.thorpe //www.hoelymoley.com/users/543 2014 - 07 - 06 - t02:11:20z 2023 - 07 - 26 - t02:53:26z < p >我见过月系统模型在天文学中,展示了碰撞后必须在一起。然而,我没有听到地球上是否有任何实际的实物证据指向之前的碰撞。有在地球上地质(或其他物质)的证据,证实了月球起源于地球上的碰撞吗?如果是这样的话那是什么证据? < / p > //www.hoelymoley.com/questions/2226/-/2244 # 2244 21 decvalts回答的是月球地质证据,一旦与地球相撞? decvalts //www.hoelymoley.com/users/662 2014 - 07 - 09 - t21:25:06z 2014 - 11 - 20 - t05:00:29z < blockquote > < p >有地质(或其他物质)在地球上的证据,证实了月球一旦与地球相撞?< / p > < /引用> < p >不,没有。这是,然而,大量的证据表明,月球形成由于碰撞三分之一的身体(有时称为忒伊亚)与地球和月球形成的环碎片的撞击造成的。< / p > < p >这一理论通常被称为< em > < a href = " http://en.wikipedia.org/wiki/Giant_impact_hypothesis " >大碰撞假说< / > < / em >和搜索这个词可能会帮助你找到其他的链接和引用。< / p > < blockquote > < p >如果证据是什么?< / p > < /引用> < p >总结地质证据,其中大部分是间接<强> < / >强证据,因为它比较月球地质学与地球上类似的地质或特性,并将结论解释的相似性(或差异)。< / p > < p >因为规模的影响,它可能会重新配置的表面的身体完全,所以找到直接物证在地球上是非常不可能的。隐藏(如一个巨大的陨石坑将不再存在)< / p > < h2 >地质证据< / h2 > < ul > <李>从阿波罗任务收集的月球岩石,几乎相同的氧同位素比率类似岩石地球上发现相同的年龄。李李< / > < >月球地壳的很大一部分是由斜长岩,这是表明大量融化事件。(从影响的能源供应)< /李> <李> < p >锌。月球岩石含有较少锌,但重< em > < / em >的锌同位素比在地球上,而相比之下较轻的同位素在更大的丰富。这是符合锌被蒸发从月球耗尽,如在活动产生了巨大的影响。李李< / p > < / > < > < p >密度和挥发物。月球是地球的密度比未压缩密度低25%。挥发物是严重匮乏,几乎没有水和钾丰富,地球的一半。 The combination of low density and lack of volatiles implies that the Moon was not a simple accretion of early solar system material, but resembles the Earth's mantle in bulk composition. Volatile material would have been vapourised by the impact.

  • The bulk composition of the Moon's crust. (This one does not actually involve the Earth, but I feel it is still important to mention.) The Moon's mantle and crust chemical composition could be explained if the Moon had a large iron core, but its core is actually quite small.

  • Other Physical Evidence

    • The ratio of the Earth and Moon's mass far exceeds any other planet in the solar system, and this begs the question of how did so much material become in orbit of the Earth. (Not evidence as such, but raises the question in the first place)

    • Getting more indirect...there are bands of warm silica-rich dust orbiting nearby stars which is interpreted as planet-sized bodies having collided with each other, so there is precedent for similar events happening elsewhere in the galaxy. (Again, I realise this is one is not strictly answering the question, but Earth Scientists often have to look well outside the Earth to answer their questions!)

    Hope this gets you started!

    Update: I recently came across this short article, which provides a summary of some of the latest thinking on the Moon's formation, including the Giant Impact Hypothesis.

    Sources: de Pater and Lissauer (2010): Planetary Sciences; Canup and Asphaug (2001), Nature

    //www.hoelymoley.com/questions/2226/-/25444 # 25444 4 回答大卫·拉撒路是月球地质证据,一旦与地球相撞? 大卫·拉撒路 //www.hoelymoley.com/users/29348 2023 - 07 - 26 - t02:53:26z 2023 - 07 - 26 - t02:53:26z < p >行星和卫星的理论形成吸积在我看来是荒谬的。虽然我从未使用它专业,我有一个物理学位。除非一个火星大小的物体之间的碰撞和一个地球大小的对象发生两个仍然熔融时,所谓的正面碰撞事件可能会完全淹没了小星球,留下一个高度畸形的地球。都仍然被熔化,流体动力学会更起作用。然而,它仍然是非常不可能的火星大小的对象将一直在环绕地球的轨道。< / p > < p >想要更多的证据吗?看看火星。与火星的影响巨大,但它可能是小于地球的卫星。证据是巨大的2公里深盆在北半球以及巨石散落在地球周围的景观。对我来说,很明显,有一个事件导致Valles Marineris大规模的影响。这个事件引起足够的冲击粉碎地球地壳的对面。 The debris likely orbited Mars for a very long time before the overwhelming majority rained back down on the planet. Phobos and Deimos being the only two pieces of debris currently still in orbit. Nevertheless, they will crash back down on the planet many years into future.

    Following what I stated above, it's easy to see where something similar would have happened had Earth been struck by a Mars sized object; only the damage would have been much more severe as I stated above.

    Is it possible that the moon grazed Earth in the distant past prior to settling into a stable orbit? That's a more likely scenario than a head-on collision in my opinion. There still would have been a lot of interaction between the two bodies; including highly electrical interaction. Thus, that could easily explain our geological findings as well as possibly the tidally locked situation.

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