As private companies launch vast networks of satellites into low Earth orbit (LEO), the astronomical community faces an increasing challenge: light pollution. With more than 14,900 satellites ...

A wider aperture (lower f-stop number) will gather more light and, when dealing with something as dark as the night sky, we need that as wide as possible. If the lens you're using opens up to f/2. ...

The night sky is brimming with stars, making it harder to parse out faint constellations. The Milky Way is so bright that it's capable of casting shadows. Recommended video ...