To begin, I advise you to buy a small bezel 60 mm or 80 mm in diameter and 500 to

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

You have an appointment with the Moon practically every day. It disappears from the sky only when it is facing