资讯

BBC3 年
The rock cycle
They have been slowly recycled over millions of years.This is called the rock cycle.Sedimentary rocks form when tiny particles of rock that have been weathered and eroded settle out of slow moving ...
Rover finds hints of an ancient Martian carbon cycle
Tutolo led a new study of rock samples collected by the Curiosity rover that might have answered this question. The mystery ...
The Debrief2 天
Curiosity Uncovers Evidence of Ancient Martian Carbon Cycle That May Have Sustained Life
NASA’s Curiosity rover has detected signs of significant amounts of carbon dioxide locked within the Martian crust, ...
NASA rover finds fresh evidence of the warm and wet past of Mars
A mineral called siderite found abundantly in rock drilled by a NASA rover on the surface of Mars is providing fresh evidence ...
来自MSN1 个月
Fossil findings reveal the surprising impact of volcanic activity on Earth's early life
New research into fossilized rock formations in Zimbabwe is shedding light on Earth's nitrogen cycle before the rise ... nitrogen isotope values found in sedimentary rocks dating back 2.75 billion ...