It was around 1870 when the British physicist John William Strutt, better known as Lord Rayleigh, first found an explanation ...

This recurrent nova, located approximately 3,000 light ... in the sky, shining with an orange hue in the Boötes constellation above the east. Next, locate Vega, a brilliant blue-white star ...

The ability to see the shooting stars ... OF MARS, BLUE ROCKS SEEN ON LANDSCAPE While clear skies are important, the second most crucial viewing condition is a dark sky away from light pollution.

Light pollution ... their children—of faint stars and galaxies lost in the glare. Fortunately, there are solutions that save money and preserve the dark night sky. The most important step ...

This will limit your contribution to sky glow and improve star visibility in your area. Most domestic outdoor lighting is now LED, so look for warm white options rather than the cool white and blue ...

Sometimes the light runs right into one of them. In short, the sky looks blue because the blue portion of sunlight is much more likely to bounce off the molecules in the atmosphere than the ...