The Earth attracts the Moon but the Moon, even if it is smaller, also attracts the Earth a little. As >>
Observe The Sun
If you have binoculars, a telescope or a telescope, you have to attach this Mylar sheet in front of the >>
How to observe the sun?
If you want to observe the Sun, ask your parents for help to observe it safely. You can never observe >>
Where to observe the sky?
You have already noticed that during the night the light dazzles and it takes time then to see again in >>
How to Recognize the First of the Last Quarter of Moon?
In the northern hemisphere, when the moon is growing, in the first quarter you can write a P with the >>
Why Does the Sun Seem to Go Up and Down in The Sky?
Like everyone else, you have seen the Sun move in the sky during the day following an arc. In reality >>
The Light Year to go Back in Time
Since we speak of light, the speed of light is used in astronomy to estimate the distance of stars, mainly >>
The Electromagnetic Spectrum
Light and waves in general have many practical applications. They are used in solar panels to produce electricity, in solar >>
Image Processing of Big Data
Discussing computers, computers are of course used to reconstruct the images recorded by observatories, whether terrestrial or orbital, space probes >>
The SKA, Square Kilometer Array
In a few years, radio astronomers will also have access to a new generation radio telescope, the Square Kilometer Array >>