Just 0.09 AU away from 61 Virgo, Nguyen Lin observed the planet 61b Virgo in its entirety.

With a mass of 5.7 times that of Earth, Virgo 61b is a typical super-Earth, and its close proximity makes it tidally locked, but it also has a large amount of water ice in its eternal night and dusk circles, which can be used as fuel for an entire fleet.

Wider observation shows that the mass of the star 61 Virgo is equal to 95% of the mass of the Sun, its radius is equal to 98% of the radius of the Sun, and its elemental abundance is similar to that of the Sun, and its elemental abundance in addition to hydrogen and helium is 95% that of the Sun.

This star can be called the "solar twin", and because of its high element abundance, the nearby constellation Virgo 61b is also rich in various mineral resources.

Ruan Lin found an interesting research point: "This star should be in the Monte minima, it has only 2 sidereal sunspots, and if it is compared to the usual same time period, it should be able to observe more than 40,000 stellar sunspots, which is like the sun."

The Mondstadt minimum, which lasted from about 1645 to 1715, was observed by astronomers at the time, which was extremely anomalous: for example, over a period of 30 years during the Mondstadt minimum, astronomers observed only a total of 50 sunspots, compared to 40,000 to 50,000 sunspots at the same time.

Until 2091, humans did not determine "whether there was a correlation between the decrease in stellar sunspot activity and the Xiaoice period".

Ruan Lin consulted the memories of all mankind, when the Mondstadt minim coincided with the coldest period in the middle of the Xiaoice Age, which made Europe and North America, as well as parts of the Middle East and Asia, in a severe winter.

It's a butterfly effect.

Falling temperatures lead to cooler soils, shorter growing seasons, lower grain yields, and higher cereal prices.

This was followed by famines and plagues around the world, which in turn led to crimes, riots, and peasant wars, and global population growth slowed down during this time, but with limited effect.

At this time, mankind has not yet jumped out of the Malthusian trap, and war, famine and plague will still cause the population to decline to a path that is compatible with the level of production of the means of subsistence, and the population is to some extent proportional to the development of agriculture.

In a sense, war is the best way to get out of the Malthusian trap.

Ruan Lin further began to check the information, compared to the solution on the European continent, his home country paid a terrible price to get out of the Malthusian trap, and this price is simply unbearable.

In the decades after Mondstadt's minimum, humanity began to fear natural and man-made disasters caused by uncontrollable weather factors, and humanity needed to find some way out to save itself.

In Britain, they found a way out, and the first industrial revolution broke out.

But soon after, humanity was at the most frantic of the workers' movement and the anarchist movement in history.

In 1848, the revolutionary storm on the European continent reached its climax.

Historical factors aside, from a general macro perspective, humanity has once again slipped into the Malthusian trap.

It's like a loop, after humans have slipped into the trap, and with the experience of the last time, they have once again escaped from the Malthusian trap.

In 1860, the Second Industrial Revolution broke out, and the economy continued to prosper again, saving mankind.

But not long after he escaped from the trap, the fate of mankind was completely rewritten.

This is the bloodiest and most cruel era of human society.

This period saw the First World War, the Second World War, the October Revolution, the largest economic crisis, and the Great Depression.

Mankind has fallen into the extreme game of history, the most primitive law of the jungle.

After World War II, the third technological revolution and the wave of globalization brought unprecedented peace, prosperity and happiness to mankind.

However, the dividends of this technological revolution were completely ended by the 2008 financial crisis.

Mankind has entered the third "Malthusian trap" since modern society.

This time Malthus did not start World War III, and humanity was looking for a way out of the trap in a peaceful way.

The "escape" of the trap this time is in 2078, when humanity entered the period of coalition government, expanding its perspective from a small Earth to the surrounding star system.

Humanity is preparing to leave its home planet in search of a "new home".

Once the "new home" is reached, humanity can escape the third Malthusian trap.

The above is to put aside all micro-historical factors and judge only from the macro perspective of "the development of human civilization".

Returning to the perspective of "climate factors", this is actually inseparable from humanity's escape from the Malthusian trap.

In 2020, sunspots anomalously decreased, and the temperature in many places around the world broke historical records, and the average temperature in 2020 is currently in the top three in the history of human meteorological records, and the average temperature in September 2020 is currently the first in the history of human meteorological records.

But at that time, human beings didn't feel much, but in the exchange of greetings, they added: "Why is it so cold this year?"

Their daily lives have not been affected by the "sunspot reduction".

Humans, in fact, have been prepared for a long time, but most humans are not aware of it.

The Industrial Revolution is actually the preparation of mankind.

And this preparation has been excessively sufficient.

In 2091, the average global temperature rose by 1.5 degrees Celsius to 2.0 degrees Celsius above pre-industrial levels.

This series of derivations caused Ruan Lin to think infinitely:

Looking at the whole universe, not only the human beings of the Earth era, but also the people who have now entered the interstellar civilization.

All civilizations have fallen into the "inescapable Malthusian trap", which is an inescapable reincarnation.

Humans in the age of Earth used to think that the Malthusian trap was drifting away.

However, the "freshness" cycle of the technological revolution is at most half a century, and after this cycle ends, the results speak for themselves.

The perspective shifts to oneself, and each technological update is not only to fight against natural and man-made disasters caused by unknown factors, but also to enhance the strength of one's own civilization.

The Malthusian Trap is like a ghost chasing after it, and each civilization must explode with new technology as fast as possible, which can make the ghost behind it pause.

But once the technological outbreak is stopped, this ghost will directly devour the entire civilization.

If you fall behind, you will be beaten, but sometimes this "beater" is not another existence, but himself.

Countless civilizations in the universe are working hard for the so-called "level up", in fact, every time you level up, it means that you have temporarily escaped the Malthusian trap.

But it's always there.

Slackness is death.

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