Our Galaxy forms a disc a little thicker in the center that is observed in profile, which is why the Milky Way seems very long and quite thin. The stars …
In its daily run through the sky, the Sun offers a great way to know the time. Since it always moves at the same speed it can be used as …
The Earth rotates on itself about an axis which is inclined by about 23 ° 27 ‘with respect to the vertical. Why 23 ° 27 ‘? Because one day a …
The luminous ball that enlightens us during the day is actually a star like all the ones you can see at night in the sky, with the only difference that …
The Earth attracts the Moon but the Moon, even if it is smaller, also attracts the Earth a bit. As the water that surrounds the Earth is light it moves …
About twice a year, the moon becomes orange for several hours. You can easily observe this phenomenon with the naked eye or with binoculars or a small telescope. What is …
You have an appointment with the Moon practically every day. It disappears from the sky only when it is facing the Sun. The Sun being located at the center of …