Lonely Moon

The blue color of the sky is explained by the diffusion of light by the air molecules contained in the

It was Newton, at the age of 23, who discovered in 1666 that the light of the sun was made

For thousands of years men believed that the Moon was so remote that it was inaccessible. When someone was told

Light is electromagnetic radiation within a certain portion of the electromagnetic spectrum. The word usually refers to visible light, which

Our Galaxy forms a disc a little thicker in the center that is observed in profile, which is why the

The Earth rotates on itself about an axis which is inclined by about 23 ° 27 ‘with respect to the

The luminous ball that enlightens us during the day is actually a star like all the ones you can see

About twice a year, the moon becomes orange for several hours. You can easily observe this phenomenon with the naked