In its daily run through the sky, the Sun offers a great way to know the time. Since it always >>
Why Are There Seasons?
The Earth rotates on itself about an axis which is inclined by about 23 ° 27 ‘with respect to the >>
The Lunar Attraction and The Tides
The Earth attracts the Moon but the Moon, even if it is smaller, also attracts the Earth a bit. As >>
Eclipse of the Moon
About twice a year, the moon becomes orange for several hours. You can easily observe this phenomenon with the naked >>
Phases of the Moon
You have an appointment with the Moon practically every day. It disappears from the sky only when it is facing >>
The Earth-Moon Couple
Since the Moon turns on itself while moving around the Earth, a state of equilibrium has been established between the >>
On the moon gravity is worth sixth of that of the Earth. A person weighing 60 kg on Earth weighs >>
The Earth’s Natural Satellite
Sometimes white, sometimes red, crescent-shaped, oval or perfectly round, the Moon has been the faithful companion of the Earth for >>
The Sky: What Equipment should Be Use?
With the naked eye you can observe stars and constellations and it is also the only way to learn to >>