Preserving the stars: Light pollution and what you can do about it
Astronomer Carl Sagan famously said that there were more stars in the universe than grains of sand on earth.
Astronomy
1 hour ago
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News tagged with sky
Satellites and space junk may make dark night skies brighter, hindering astronomy and hiding stars from our view
Since time immemorial, humans around the world have gazed up in wonder at the night sky. The starry night sky has not only inspired countless works of music, art and poetry, but has also played an important role in timekeeping, ...
Astronomy
Mar 26, 2023
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Sweden's sky lights up with northern lights research
Scientists in Sweden put on a light show in the night sky on Thursday, releasing material from a sounding rocket to research the spectacular northern lights phenomena.
Space Exploration
Mar 23, 2023
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Astronomers sound alarm about light pollution from satellites
Astronomers on Monday warned that the light pollution created by the soaring number of satellites orbiting Earth poses an "unprecedented global threat to nature."
Astronomy
Mar 20, 2023
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Underused satellite, radar data may improve thunderstorm forecasts
Tens of thousands of thunderstorms may rumble around the world each day, but accurately predicting the time and location where they will form remains a grand challenge of computer weather modeling. A new technique combining ...
Earth Sciences
Mar 9, 2023
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Night skies are getting 9.6% brighter every year as light pollution erases stars for everyone
For most of human history, the stars blazed in an otherwise dark night sky. But starting around the Industrial Revolution, as artificial light increasingly lit cities and towns at night, the stars began to disappear.
Astronomy
Feb 23, 2023
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Light pollution has cut humanity's ancient connection with the stars—but we can restore it
Humans are naturally afraid of the dark. We sometimes imagine monsters under the bed and walk faster down unlit streets at night. To conquer our fears, we may leave a night light on to scare away the monsters and a light ...
Astronomy
Feb 10, 2023
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Astronomers use novel technique to find starspots
Astronomers have developed a powerful technique for identifying starspots, according to research presented this month at the 241st meeting of the American Astronomical Society.
Astronomy
Jan 26, 2023
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156
Star visibility eroding rapidly as night sky gets brighter: study
Light pollution is growing rapidly and in some places the number of stars visible to the naked eye in the night sky is being reduced by more than half in less than 20 years, according to a study released Thursday.
Astronomy
Jan 22, 2023
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Visibility of stars in the night sky declines faster than previously thought
People around the world are seeing fewer and fewer stars in the night sky. The change in star visibility can be explained by an increase in the sky brightness of 7–10% per year. The rate of change is faster than satellite ...
Astronomy
Jan 19, 2023
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