搜索结果: 1-15 共查到“理学 mystery”相关记录47条 . 查询时间(0.046 秒)
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Lunar samples solve mystery of the moon's supposed magnetic shield
lunar magnetic field magnetization lunar soil
2021/8/9
Tests of glass samples gathered on Apollo missions show magnetization may result from impacts of objects like meteors, not as a result of magnetization from the presence of a magnetic shield.
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Scientists have resolved a key climate change mystery, showing that the annual global temperature today is the warmest of the past 10,000 years, according to a Rutgers University-led study publis...
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A team led by University of Oregon geologist Rebecca Dorsey has published two papers that provide new insights into the origins of the Colorado River, using data from ancient sedimentary dep...
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Almost 100 years ago, there was a strange, slow-motion takeover of the Great Plains.During the Dust Bowl of the 1930s, as a heatwave and drought swept the middle of the United States, there was a dram...
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Geochemists solve mystery of Earth's vanishing crust(图)
Geochemists solve mystery Earth vanishing crust
2020/7/10
Earth's crust is the solid, outermost layer of our planet. Much of what happens below that layer remains a mystery, including the fate of sections of crust that vanish back into the Earth.Now, a team ...
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LIGO-Virgo finds mystery object in gap between neutron stars and black holes(图)
LIGO-Virgo mystery object gap between neutro holes
2020/7/3
When the most massive stars die, they collapse under their own gravity and leave behind black holes. When stars that are a bit less massive die, they explode in supernovas and leave behind dense, dead...
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Identity of mystery Florida invader corrected after 20 years(图)
Identity mystery Florida invader corrected 20 years
2020/1/19
Sometimes scientists make mistakes. A case in point is the chanchita, a South American non-native freshwater fish that has been swimming in Florida's waters for at least two decades, all the while mis...
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Images from solar observatory peel away layers of a stellar mystery(图)
Images solar observatory peel away layers stellar mystery
2019/11/22
NSF-funded scientists at the New Jersey Institute of Technology have shed new light on one of the central mysteries of solar physics: how energy from the sun is transferred to the star's upper atmosph...
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Scientists solve long-standing mystery:Why atmospheric carbon dioxide was lower during ice ages(图)
Scientists long-standing mystery atmospheric carbon dioxide lower during ice ages
2019/10/28
Since scientists first determined that atmospheric carbon dioxide was lower during ice ages than during warm phases, they have looked at why, theorizing that it may be a function of ocean circulation,...
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Counting Chromosomes:Plant Scientists Solve A Century-Old Mystery About Reproduction(图)
Counting Chromosomes Plant Scientists Century-Old Mystery Reproduction
2018/2/1
Counting is vital in nature. Counting chromosomes is something that most animals, plants and even single-celled organisms need to know how to do to assure viability and to reproduce. Today, a team of ...
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Six-Decade-Old Space Mystery Solved With Shoebox-Sized Satellite Called A CubeSat(图)
Six Decade Old Space Mystery Shoebox-Sized Satellite CubeSat
2017/12/19
A 60-year-old mystery about the source of energetic, potentially damaging particles in Earth's radiation belts has been solved using data from a shoebox-sized satellite built and operated by students....
Johns Hopkins Biologist Leads Team That Unlocks Mystery of Protein Function
Johns Hopkins Biologist Leads Team Unlocks Mystery Protein Function
2017/12/18
What makes the body of a person or any other organism work can for the most part be summed up in a word: proteins.These big molecules carry out almost all processes in living organisms, including movi...
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Where did those electrons go? Decades-old mystery solved(图)
those electrons Decades-old mystery solved
2017/11/23
The concept of “valence” – the ability of a particular atom to combine with other atoms by exchanging electrons – is one of the cornerstones of modern chemistry and solid-state physics.Valence control...