Residents in parts of New Jersey and Philadelphia shared photos of yellow sky, as tornado and thunderstorm warnings were in ...

There are plenty of camera filters out there, but what does an ND filter do and is it something every photographer should ...

Moonlight's colour varies. It depends on Earth's atmosphere. The Moon reflects sunlight. Atmospheric particles scatter light.

However, they also filter out much of the blue and green light. What remains are the longer wavelengths––reds and oranges––that pass through more easily, giving the sky its eerie, fiery glow.

The blue colour of sky has nothing to do with colour of the ocean, it is blue due to… If Earth had no atmosphere—like the Moon—there would be no scattering, and the sky would remain black ...