Goodbye Milky Way. Even the brightest stars will soon disappear from Earth's night sky

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Goodbye Milky Way. Even the brightest stars will soon disappear from the Earth's night sky

The number of stars in the sky that can be seen with the naked eye is rapidly decreasing. And the reason is not in space.

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A new study by an international team of scientists has shown that the number of stars visible to the naked eye in the night sky is rapidly declining. If this negative trend continues, the brightest stars will soon become invisible. And the reason for this phenomenon lies not at all in space, but on Earth, writes The Guardian.

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The reduction in the number of stars visible without special optical aids in the night sky is due to too much light pollution, according to a new study. According to scientists, if this type of pollution continues to increase, then from the Earth in 18 years, on average, not 250 of the brightest stars, but only 100 will be visible to the naked eye.

According to Christopher Kiba from the German Center for Geosciences , the worst thing that could happen is that it will be difficult to see any stars at all in the near future. That is, even the brightest constellations will disappear from our field of vision.

Goodbye Milky Way. Even the brightest stars will soon disappear from Earth's night sky

Farewell, Milky Way. Even the brightest stars will soon disappear from Earth's night sky

The scientists analyzed more than 50,000 naked-eye observations of stars made by amateur astronomers over the past 10 years. They found that the number of stars that can be observed without telescopes has decreased significantly.

The main reason for this lies in the excessive light pollution of the planet's atmosphere. This kind of pollution is the result of too many artificial light sources, especially in big cities around the world. That is, the lighting of cities contributes to the fact that the light is scattered in the lower layers of the atmosphere and thus the light of the stars becomes invisible.

According to scientists, the number of artificial light sources on the planet grew at a tremendous pace along with the growth of population, large cities and the advent of new technologies throughout the 20th century, but reached its peak at the beginning of the 21st century. But this process continues and may cause the stars to simply disappear from our night sky.

Goodbye Milky Way. Even the brightest stars will soon disappear from Earth's night sky

Farewell, Milky Way. Even the brightest stars will soon disappear from Earth's night sky

Scientists have calculated that over the past 10 years, the brightness of the sky has increased by almost 10% on average. At the same time, in Europe this figure is almost 7%, and in the US – almost 10.5%. At the same time, according to Kiba, there are no exact data on the level of light pollution in developing countries. Although there is speculation that given the strong growth of new sources of artificial lighting here, this kind of sky pollution in these regions will gain a faster growth rate.

The data of scientists only confirm another study, which was conducted back in 2016, when it became known that a third of the inhabitants of the Earth could no longer see the Milky Way. And the reason for this is light pollution.

Goodbye Milky Way. Even the brightest stars will soon disappear from Earth's night sky

Goodbye Milky The path. Even the brightest stars will soon disappear from the Earth's night sky

Light pollution is also already affecting the work of professional astronomers, according to Greg Brown of the Royal Observatory in Greenwich, UK, who was not involved in the new study. . That is, some ground-based telescopes fail to see some stars due to the increased brightness of the sky.

Another threat to astronomical observations Focus already wrote. A new very bright object has appeared in the sky and it is a satellite that reflects too much light.