K-U ratio (Volcanology 🌋)
The K/U Ratio is the ratio of a slightly volatile element, potassium, to a highly refractory element, uranium. It is a useful way to measure the presence of volatile elements on planetary surfaces. The K/U ratio helps explain the evolution of the planetary system and the origin of Earth's Moon.
https://en.wikipedia.org/wiki/K-U_ratio
#KURatio #Origins #Petrology #Volcanology #Astrobiology #PlanetaryGeology
Hello everyone, I’m Professor Krys, a real-life Earth Science and Astronomy teacher! I am specialized in planetary geology and the formation of our Moon. If you have any questions about our planet or solar system please feel free to send me an Ask or @ me!
Refractory (planetary science) (Volcanology 🌋)
In planetary science, any material that has a relatively high equilibrium condensation temperature is called refractory. The opposite of refractory is volatile. The refractory group includes elements and compounds like metals and silicates which make up the bulk of the mass of the terrestrial planets and ast...
https://en.wikipedia.org/wiki/Refractory_(planetary_science)
#Refractory #Origins #Petrology #Volcanology #Astrobiology #PlanetaryGeology
Martian craters are more than scars — they're windows into buried glaciers and subsurface secrets. And we don’t even need to land to see it. #MarsScience #PlanetaryGeology #Craters
https://geekoo.news/craters-that-reveal-what-mars-is-hiding/
Magma ocean (Planetary science 🪐)
Magma oceans are vast fields of surface magma that exist during periods of a planet's or some natural satellite's accretion when the celestial body is completely or partly molten. In the early Solar System, magma oceans were formed by the melting of planetesimals and planetary impacts. Small planetesimals are melted by ...
https://en.wikipedia.org/wiki/Magma_ocean
#MagmaOcean #Geochemistry #HadeanVolcanism #GeologyOfTheMoon #PlanetaryGeology #PlanetaryScience
In a discovery that challenges our understanding of Earth's ancient history, researchers have found evidence suggesting that Earth may have had a ring system that formed around 466 million years ago, at the beginning of a period of unusually intense meteorite bombardment known as the Ordovician impact spike.
A really cool and interesting thing just happened in space. NASA’s Mars Rover drove over a rock that cracked open, revealing pure sulfur.
This is a first on Mars. It’s also unexpected given the characteristics of its surroundings.
Accidentally exposed yellowish-green crystals reveal ‘mind-blowing’ finding on #Mars, scientists say
‘The #CuriosityRover has made its most unusual find to date on Mars: rocks made of pure sulfur. And it all began when the 1-ton rover happened to drive over a rock and crack it open, revealing yellowish-green crystals never spotted before on the red planet.’
https://edition.cnn.com/2024/07/20/science/nasa-curiosity-rover-mars-sulfur-rocks/index.html
About 4.5 billion years ago, a small planet smashed into the young Earth, flinging molten rock into space. Slowly, the debris coalesced, cooled and solidified, forming our moon. This scenario of how the Earth's moon came to be is the one largely agreed upon by most scientists. But the details of how exactly that happened are "more of a choose-your-own-adventure novel," according to researchers in the University of Arizona Lunar and Planetary Laboratory who published a paper in Nature Geoscience.
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