Astronomy

Why the Stars Above Us Twinkle- Or Do They?

- 18 November 2021

Astronomers state that only 2,500 stars are visible to the naked eye from our planet Earth. The stars we see from Earth seem to be flickering. You’ve probably also noticed that they twinkle especially brightly on cold nights or right after a rain.

The question is why?

Mihajlo Pupin and The Universe

- 18 November 2021

The ancient Greeks believed that in the beginning the world was in total chaos. Then, in 1854, the great Mihajlo Pupin was born in northern Serbia, and started gazing at the sky and writing down his impressions. Today we want to talk about both matters so just sit back and enjoy.

How many galaxies are there and how do we even know this?

- 12 November 2021

Until the thirties of the last century, when asked how many galaxies there are in space, learned people answered: “Well, everyone knows that – there is one.” In fact, no one asked such a question because it was as meaningless as the question: how many Italies are there in Europe, or how many Venuses exist in space? Well of course one.