A ring could explain a mysterious arrangement of impact craters near the equator and might even have caused an ice age, ...
The rings of Saturn are among the most famous and spectacular features in the solar system. Earth may once have had something ...
The ring could be responsible for a prolonged drop in temperatures millions of years ago. Earth may have had a giant ring of ...
莫尔丁海滩 (Moher Cliffs),位于爱尔兰西部,是世界上最壮观的悬崖之一。悬崖的海拔达到214米,俯瞰 大西洋 ,其陡峭的岩壁和辽阔的视野使其成为 自然奇观 。这里的风景不仅吸引了无数的游客,也成为了 摄影师 和 自然爱好者 的天堂。
This used to be sand and other sediment - that's why it is called sandstone - which is a type of sedimentary rock. Sedimentary rocks are formed when pieces of rock are eroded, or worn away ...
More than 700 million years ago, the Earth was plunged into a state that geologists call "snowball Earth", when our planet ...
A huge 75-foot-tall square boulder deep in Wyoming’s Bighorn Mountains has been baffling people since it was discovered.
The name Devil’s Backbone likely conjures up intimidating images for those who aren’t familiar with the site. However, the ...
There is carbon isotope evidence for life in the world’s oldest known volcanic-sedimentary rocks (3.7–3.9 Bya) in the Isua terrane of West Greenland (Rosing 1999). Sedimentary rocks deposited ...
Payne, DS Nelson, CS and Hood, SD 2010. Mixed glauconitic-carbonate-siliciclastic surficial sediments on the north Kaipara continental margin, northwestern North Island, New Zealand. New Zealand ...
The first sample is down. Nine more tubes will be dropped at Three Forks The Perseverance rover has begun gathering the evidence that may answer the question of whether there is life on Mars.