Given that you can see stars and that the sky is black, you might think the sky ... When they look at sky brightness—what they call the sky background—they use a unit of brightness per area ...

The simple answer to your question is the camera settings used to take most photos from the Moon weren’t designed to capture stars. Apollo astronauts used film cameras, so to understand the ...

inhabited by only stellar remnants like white dwarfs and black holes. Even though our night sky isn’t completely filled with stars, we live in a very special time in the universe’s life ...