the sky is not always blue. And Rayleigh scattering also explains why the sky tends to be reddish when the Sun is close to the horizon – at sunrise and sunset.When the Sun is near the horizon ...

(AP) — A private lunar lander has captured the first high-definition sunset pictures from the moon. Firefly Aerospace and NASA released the stunning photos Tuesday, taken before the Blue Ghost ...

greenish gray as the Sun sank in the sky. According to Firefly, NASA will analyze these images for hidden insights into the Moon's day-night cycle. Blue Ghost's sunset images are a tad poetic ...

Blue Ghost captured a lunar sunset with Earth and Venus on the horizon ... With its “Ghost Riders to the Sky” mission, Firefly became the second company to land on the Moon and the first ...