How Many Galaxies Are in The Universe?

How Many Galaxies Are in The Universe?

Staring at the night sky in front of us reveals infinite space full of small flashing lights. Some of them are planets of the Solar System but the rest are stars of our own Galaxy-  Milky Way. Even if we have to be precise all the stars we see with the naked eyes are  from our sleeve of the Galaxy. But we already know that this is not everything, we know that the Universe is filled with many Galaxies- some smaller and others much larger than the Milky Way. But how many Galaxies  are in the Universe? This question is...