During the day, the sky is so bright from this light that no stars (well, except the sun) can be seen. They’re too faint. At night, after the sun sets and its scattered light diminishes, the sky ...

The universe is not infinitely old, so it is not completely filled with stars and our night sky still appears black. Skip to content Introducing the all-new Astronomy.com Forum!

Even though the farthest stars look dimmer and dimmer, there would be a lot more of them, and the whole night sky should look very bright. It seems I’m back where I started, but I’m actually a ...

Olbers reasoned that if the universe is static, infinite, and full of stars, then no matter which direction we look, our line of sight would end up hitting the surface and light of a star. If that ...

While recent research shows the night sky is getting brighter every year across North America, the Big Bend area in Texas has ...

The next time you are far away from a major city or another source of light pollution, look up at the night sky. A view of the roughly 2,500 stars you can see with the naked eye in a truly dark ...

Over time, these stars became known as Wolf-Rayet stars (Charles Wolf was a French astronomer, and helium was first detected by the French scientist Georges Rayet and others), and astronomers came to ...

Dozens of national parks around the country have earned designations as International Dark Sky Parks and Sanctuaries. These distinctions by DarkSky International recognize exceptional or distinguished ...

Black represents little to no light pollution, while yellow, red and white represent the most light pollution where few stars are visible in the night sky. (Fabio Falchi, Christopher Kyba, et. al ) ...

To protect the night sky, the Observatory helped organize the Greater Big Bend International Dark Sky Reserve. It covers an area of 15,000 square miles across West Texas and portions of northern ...

Dark Sky Colorado Find Dark Sky Places in Colorado and learn how to reduce light pollution. CU-STARs Check out this program that provides opportunities for CU Boulder and K-12 students to learn about ...