Multiple Scattering Directions – Scattered blue light reaches our eyes from all directions, making the sky appear blue. Sunset and Sunrise Effect – During sunrise and sunset, sunlight passes through ...

Curious Kids is a series for children of all ages. If you have a question you’d like an expert to answer, send it to ...

If Earth had no atmosphere like the Moon there would be no scattering, and the sky would remain black, even in daylight ...

Only at an equinox does the Sun rises due east and set due west, which can have alarming effects ... at sunrise and/or sunset—and peer into ancient cultures that observed the night sky so ...

When the Sun is near the horizon, its light passes through a lot more of the atmosphere to reach the Earth's surface than ...