Every two years or so, there is a total solar eclipse somewhere on the Earth, in Africa, in Asia, in >>
Month: November 2019
Oberserving The Stars
To begin, I advise you to buy a small bezel 60 mm or 80 mm in diameter and 500 to >>
Which material to observe the stars?
With the naked eye you can observe the stars and the constellations and it is also the only way to >>