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Galilean Telescope

The knowledge and manufacture of lenses were known since the time of the old Greeks (the word optics came from the Greek word ὀπτικά, which means appearance) and later in the old ages with Egyptian scholar Alhazen who made important contributions to the study of optics in general. In Europe, the lenses arrived around 13th century and immediately triggered the invention of the first eyeglasses. However, one important discovery had to wait three centuries later in order to set off a wave of new discoveries in the field of astronomy. The invention was made by Hans Lippershey, the spectacle maker from the Dutch city of Middelburg in Netherlands, who in October 1608 tried to apply for a patent for a tool he described as an aid capable of "seeing faraway things as though nearby" . It consisted of a convex and concave lenses in a tube capable of magnifying objects three or four times. For strange reasons, the patent was rejected, but the new instrument immediately attracted attentio...

ZVIKTOR22: Jupiter Moons

Before we jump into premature conclusion with easy answers as 'nothing at all' or 'at least they are both orbiting the Sun' perhaps we could do some quick research for just in case... With equatorial radius of Jupiter almost thirty times bigger than the same property on Mercury, obvious composition difference between one gas giant and small rocky planet and all the other major difference in mass, density, temperature, orbital inclination, orbit period and with almost everything we could compare the two, it is very hard to find the slightest similarity. For more videos please visit ZVIKTOR22 YouTube Channel .

Astrology & Pseudoscience

If you were reading my blog in the past you probably noticed that on several occasions I mentioned inner fight in all human beings between rational and emotional mind. More or less we all 'suffer' from this conflict and this post is, again, going to be tailed by it. Okay, now, you read the title and already hinted about the content, so let's get to the story. But before diving into topic, let me start with a revelation and for the first time since I started this blog I think this very title finally would allow me to go more personal than usual. Actually, I decided to reveal everything about me in this post and finally you are about to learn who I am to the bone. Are you ready to read further? Okay, I am ready. Here you go ... I am ... Wait ... I hate these second thoughts ... Darn it, I can't take it back now, can I ... Okay, here it is ... ... I am Scorpio. There you go. I said it. Phew. What a relief. Now you know everything about me. Who I am, why ...