
"Scientists have long suspected that the formation of the solar system's first solids was a relatively peaceful process, with primordial solids slowly raining out from the cooling disk over millions of years. However, a new study suggests that these solids actually stormed into being much faster due to sudden temperature shifts in the disk's turbulent environment."
"The notion of a placid start for the solar system's solids has prevailed for the past half-century, but recent findings indicate that the first solids, such as calcium-aluminum-rich inclusions, formed rapidly as the disk cooled, challenging previous assumptions about the timeline of their formation."
Approximately 4.6 billion years ago, the solar system began forming from a collapsing cloud of gas. Initially, no solid materials existed, but as the disk cooled, mineral grains condensed into the building blocks of planets. A new study suggests that these first solids emerged much more rapidly than previously thought, driven by sudden temperature changes in a turbulent environment. This challenges the long-standing belief that the formation process was gradual and peaceful, indicating a more dynamic and chaotic early solar system.
#solar-system-formation #temperature-shifts #calcium-aluminum-rich-inclusions #planetary-science #new-research
Read at www.scientificamerican.com
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