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Earth's building blocks formed during the solar system's first million years, study finds

Tracing path of carbon, scientists rewrite picture of early planet formation
When people think about the most important ingredient for life on other planets, they usually talk about water. But there’s another element that makes our existence possible.
“We’re carbon-based life forms,” said University of Chicago geophysical scientist Fred Ciesla, “and carbon is an important part of keeping a mild climate.”
It can also be used as forensic tool to piece together how the earth and solar system must have formed. In twopapers, Ciesla and colleagues at California Institute of Technology, the University of Michigan and the University of Minnesota laid out a history of carbon in the formation of the solar system. ....

United States , Marc Hirschmann , Geoffrey Blake , Edwin Bergin , Uchicago Department Of Geophysical Sciences , University Of Minnesota , University Of Michigan , ஒன்றுபட்டது மாநிலங்களில் , ஜெஃப்ரி பிளேக் , எட்வின் பெர்கின் , உசிக்கோ துறை ஆஃப் புவி இயற்பியல் அறிவியல் , பல்கலைக்கழகம் ஆஃப் மினசோட்டா , பல்கலைக்கழகம் ஆஃப் மிச்சிகன் ,

Most of Earth likely formed during the solar system's first million years, study finds

Tracing path of carbon, scientists rewrite picture of early planet formation
When people think about the most important ingredient for life on other planets, they usually talk about water. But there’s another element that makes our existence possible.
“We’re carbon-based life forms,” said University of Chicago geophysical scientist Fred Ciesla, “and carbon is an important part of keeping a mild climate.”
It can also be used as forensic tool to piece together how the earth and solar system must have formed. In twopapers, Ciesla and colleagues at California Institute of Technology, the University of Michigan and the University of Minnesota laid out a history of carbon in the formation of the solar system. ....

United States , Marc Hirschmann , Geoffrey Blake , Edwin Bergin , Uchicago Department Of Geophysical Sciences , University Of Minnesota , University Of Michigan , ஒன்றுபட்டது மாநிலங்களில் , ஜெஃப்ரி பிளேக் , எட்வின் பெர்கின் , உசிக்கோ துறை ஆஃப் புவி இயற்பியல் அறிவியல் , பல்கலைக்கழகம் ஆஃப் மினசோட்டா , பல்கலைக்கழகம் ஆஃப் மிச்சிகன் ,

Ceramic chips inside meteorites hint at wild days of the early solar system

Analysis by UChicago scientists reverses earlier findings, suggests large temperature swings
A new analysis of ceramic chips embedded in meteorites suggests the formation of our solar system was not as quiet and orderly as we once thought.
A new study from University of Chicago scientists builds evidence that the baby solar system likely witnessed wild temperature swings and changing conditions contradicting the decades-old theory that the solar system had gradually and steadily cooled following the formation of the Sun.
Published Jan. 6 in
Science Advances, the study finds its answers in gifts from outer space. Because rocks on Earth are constantly pulled under tectonic plates, melted and reformed, they don’t offer much evidence for what our solar system looked like four and half billion years ago. Instead, scientists look to meteorites. ....

New Zealand , Nicolas Dauphas , Andrewm Davis , Fred Ciesla , James Zhang , Lawrence Grossman , Francois Tissot , Mathieu Roskosz , Jiyong Zhao , Bruce Charlier , Research Associate Professor Reika Yokochi , Geophysical Sciences , Uchicago Department Of Geophysical Sciences , Victoria University Of Wellington , Boston University , Daupha Origins Lab , Field Museum , Marie Curie University , Roberta Pritzker Center , Argonne National Laboratory , University Of Chicago , Science Advances , Thomas Ireland , Emeritus Lawrence , Victoria University , Polar Studies ,