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15 小时
Earth May Have Had Rings Like Saturn, Scientists Say
Evidence suggests Earth had a ring system 466 million years ago, causing a surge in meteorite impacts and possibly ...
earth
18 小时
Earth probably had a Saturn-like ring system in the distant past
Researchers have found evidence suggesting that our planet may have once had a ring system around 466 million years ago.
12 小时
on MSN
Earth used to have Saturn-like rings, new study suggests
Earth and Saturn might be a lot more similar than previously thought. In a new study, a team of researchers suggests that 466 ...
ExplorersWeb on MSN
1 天
New Research Suggests Ancient Earth Had Rings
The Earth: a ringed planet, much like Saturn, surrounded by a hula hoop of asteroids. The summit of Mount Everest: a tropical ...
13 小时
on MSN
Earth May Have Had a Ring Like Saturn Once
I f astronomers had been walking the Earth 466 million years ago, they may have had something special to see. The moon and ...
2 天
'466-million-years ago': Earth once had ring system like Saturn, but it eventually fell to ...
Researchers have proposed that Earth may have had a ring system 466 million years ago, during a period of intense meteorite ...
19 小时
Recent study reveals that earth had Saturn-like rings for ten million years
The ring could have blocked sunlight on earth by casting a shadow on the surface of the planet, contributing to a significant ...
2 天
on MSN
Earth May Have Had Rings Like Saturn 466 Million Years Ago
"Over millions of years, material from this ring gradually fell to Earth, creating the spike in meteorite impacts," said ...
techexplorist
2 天
Earth may have had a ring system around 466 million years ago
A new study from Monash University scientists suggests that Earth may have had a ring system that formed around 466 million ...
15 小时
Earth may have once had a Saturn-like ring system, new evidence suggests
To reach that surprisingly conclusion, scientists studied the positions of 21 asteroid impact craters during the Ordovician period – the second of six periods in the ...
studyfinds
1 天
Earth had a ring just like Saturn, groundbreaking theory suggests
Did Earth once look a lot more like Saturn? Scientists believe the answer is yes! In a groundbreaking study, researchers in ...
16 天
我国三地入选!全球第二批100个地质遗产地名录发布
于8月27日在韩国釜山举行的第37届国际地质大会上,我国入选的三处地质遗产地分别是位于内蒙古的“植物庞贝城——乌达二叠纪植被化石产地”、位于四川的“自贡大山铺恐龙化石群遗址”和位于广西的“桂林喀斯特”。
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