Scientists discover in the ocean “plutonium” and iron that does not form in the earth

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They saw it as the result of volatiles from star fusion

Scientists discovering in the ocean

Researchers have found that a torrent of volatiles from supernova explosions or merging neutron stars reaches Earth’s surface periodically.

The magazine “Science” reported that scientists have found, in samples from the ocean crust, isotopes of plutonium and iron do not form in terrestrial conditions.

The nuclei of chemical elements heavier than iron are thought to form in the stellar environment as a result of the nuclear process of sequentially capturing neutrons and creating increasingly heavy nuclei.

About half of the heavy nuclides form slowly as a by-product of continuous stellar fusion; The other half – especially all actinides – arises during the rapid capture of neutrons.

The scientists reproduced the rapid capture of neutrons under laboratory conditions. But they haven’t specified how it occurs in space.

At the present time, there are two hypotheses about this result, which is that it appears either as a result of explosions of certain types of supernovae or when merging neutron stars.

The study authors argue that this discovery provides an opportunity to take a fresh look at the astrophysical origin of the heavy chemical elements.

May 14, 2021 – 2 Shawwal 1442 01:15 PM

They saw it as the result of volatiles from star fusion

Scientists discover in the ocean “plutonium” and iron that does not form in the earth

Researchers have found that a torrent of volatiles from supernova explosions or merging neutron stars reaches Earth’s surface periodically.

The magazine “Science” reported that scientists have found, in samples from the ocean crust, isotopes of plutonium and iron do not form in terrestrial conditions.

The nuclei of chemical elements heavier than iron are thought to form in the stellar environment as a result of the nuclear process of sequentially capturing neutrons and creating increasingly heavy nuclei.

About half of the heavy nuclides form slowly as a by-product of continuous stellar fusion; The other half – especially all actinides – arises during the rapid capture of neutrons.

The scientists reproduced the rapid capture of neutrons under laboratory conditions. But they haven’t specified how it occurs in space.

At the present time, there are two hypotheses about this result, which is that it appears either as a result of explosions of certain types of supernovae or when merging neutron stars.

The study authors argue that this discovery provides an opportunity to take a fresh look at the astrophysical origin of the heavy chemical elements.

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