Scientists announce the start of the disappearance of stars from the sky in huge numbers and issue warnings
Scientists announce the start of the disappearance of stars from the sky in huge numbers and issue warnings
Over time, the sky has been observed to become 10 percent brighter, according to a recently published study. This means that a large number of stars that were once visible will be hidden, which prompted astronomers to warn that stars will disappear from the night sky before our eyes.
Serious effects of light pollution
According to independent.co.uk, scientists have warned that the next generation of children born with 250 visible stars, for example, will only be able to see 100 of them by their 18th birthday, as the light pollution that blocks out those stars grows even faster. Much of our awareness despite attempts to reduce it. And this pollution can have drastic consequences, not only with regard to seeing the night sky,
But the effects could be detrimental to the environment, with effects on the biological systems of animals and humans, and more, as light pollution hinders those stars from appearing.
According to the research, published in Nature.com, Skyglow, the back-flashing of photons emitted from streetlights, billboards, storefronts and many other human sources, is the most prevalent type of light pollution. And you can learn about it and the types of stars in space
• Citizen Scientist
These are the findings of a major new study that analyzed more than 51,000 observations from "citizen scientists" around the world, taken between 2011 and 2022. With the aim of understanding the scale of the problem of "celestial glow", or the pervasive night light in the sky caused by mainly man-made pollution, the researchers used this information to analyze how the brightness of the entire planet changes as a result of artificial light.
The National Photonic Infrared Astronomy Research Laboratory in the United States also provided star maps to the "Globe at Night" project participants, asking them to compare them with the local night sky. According to the data, the sky has increased in brightness annually. Previous estimates based on data from satellites indicated that the brightness was increasing by only 2 percent.
You can learn about the importance of research and scientists who carry out the monitoring process, including the process of monitoring the five bright planets after sunset
The problem of “celestial glow”
According to the previous site, as a result of artificial light, which causes light pollution, the sky lights up by up to 10 percent per year. This means that a large portion of the stars that were once visible are now obscured from astronomers and the general public. Until now, changes in sky brightness have been little documented, because there is no easy way to gather information from around the world.
To address this, the scientists used information from an online application that collects, compares and analyzes perspectives from different places around the world.
This data can be used to collect more data about the "exact size of naked-eye stars", and this data can also measure the minimum brightness that an object in the sky must have in order to be seen. When the night sky is brightened with pollution, these things are brighter if they can be seen—otherwise they would disappear from the sky, would the sky be darkened? The answers are not known precisely, and we have become accustomed to many phenomena in the vast space, including the burning of meteorites
• Scientists are worried
These measurements indicate that the sky's brightness has increased by 9.6 percent each year. Previous estimates gathered from satellites indicated that the brightness was only increasing by 2 percent. Satellites have been used to estimate the scale of the problem, but they suffer because no instrument observing the entire Earth can interpret the ways humans see the sky. They are also less likely to see light that comes out horizontally, such as from windows, but these sources contribute significantly to light pollution as seen by people on the ground.
According to Nature.com's Science journal, "local scientists have reported rapid global declines in stargazing from 2011 to 2022." In their conclusion, the researchers noted the importance of local populations in providing such data, although scientists also urge people to use This data and pressure on policy makers to find policies that prevent or reduce this problem, indicating that current attempts to reduce the problem of light pollution do not prevent the problem from getting worse.
“It's pretty awful,” Christopher Kyba, a physicist at the German GFZ Research Center for Geosciences, tells independent.co.uk. Worse than I worried." According to him, if this trend continues, by the age of 18, children born today in a light-polluted place, who can currently see approximately 250 stars, will only be able to see 100 stars because of the heavenly glow.”
Researchers have noted, however, that the global trend in celestial glow underestimates the trend in countries with the fastest increases in economic development.
This is because the rate of change in the emission of light is the highest there, and if the phenomenon of celestial glow is a harmful artificial phenomenon, there are natural phenomena in space that have raised questions, and an example of it is the phenomenon of a celestial collision that forms a “massive cloud.”
Source : websites