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Eldorado

The 'safest place' to live in the Milky Way found

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Eldorado

Astronomers have searched the entire Milky Way to identify the safest places to live. It turns out, we're in a pretty good spot.

But if the past year has made you feel ready to relocate to another planet, you might want to look toward the center of the galaxy, according to the new research.

The new findings were made by a group of Italian astronomers, who studied locations where powerful cosmic explosions may have killed off life. These explosions, such as supernovas and gamma-ray bursts, spew high-energy particles and radiation that can shred DNA and kill life. By this logic, regions that are more hospitable to life will be the ones without frequent explosions, the astronomers reasoned.

Full monty from Live Science at MSN: Link

The best place and time to live in the Milky Way

Astronomy and Astrophysics

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zenron

where is link? or picture?? is there more information???

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bison

Galactic habitability has long been understood as a balancing act, of sorts. More stars, more planets, so more terrestrial planets in the denser areas, toward the center.This is countered by the higher incidence of radiation events from such phenomena as supernovas, gamma ray bursts, and flare stars, in the same area of the galaxy.  

Fewer, but safer planets, farther out, but  go too far out and the number of terrestrial planets dwindles sharply. The 'galactic habitable zone' is a compromise between these two considerations.

The novel inclusion of time-based considerations is interesting, here. It appears that our galaxy, as a whole, is becoming more hospitable, over the aeons. 

 Earth is about 8 kiloparsecs from the center of our galaxy. This is on the border between the calculated safest area up until 6 billion years ago, and the safest, over the past 4 billion years. Life on Earth appears to have started around  3 and a half billion years ago. We seem to have been fortunate time-wise, if slightly marginal, based on our location.   

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Desertrat56
On 3/31/2021 at 3:46 AM, zenron said:

where is link? or picture?? is there more information???

Two links in the OP.

Check it again.

 

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