Every two years or so, there is a total solar eclipse somewhere on the Earth, in Africa, in Asia, in America and sometimes in Europe as it was on August…
Astronomy
To begin, I advise you to buy a small bezel 60 mm or 80 mm in diameter and 500 to 900 mm focal length. You can also use a spotting…
With the naked eye you can observe the stars and the constellations and it is also the only way to learn to recognize them by comparing what you see with…
As you have understood according to the season, the Sun illuminates and warms more or less strong certain regions of the Earth. In summer, in Europe it is hot on…
For thousands of years men believed that the Moon was so remote that it was inaccessible. When someone was told that she was in the moon, they meant that she…
Compared to the 40m diameter ELT, which will likely be used for 100 years and more, the JWST will fail 10 years after launch due to lack of fuel. If…
Before we consider exploring our galaxy and the universe, we must first and foremost place our home, the earth and the solar system in this vast cosmos. The knowledge we…