How big is our Universe. History from the present day all the way back to its beginning. Universe 3
Content of this video is how humans came to know about the vastness of the Universe. A brief History about how we calculated distances to planets, stars and galaxies.
Chapters
00:00 The question
00:53 Galileo Galilei discoveries
01:39 Nicolaus Copernicus theory of Heliocentrism
02:45 Parallax
03:21 Moon's distance (Hipparchus)
04:21 Planes Mars distance (Geovanni Cassini)
04:56 Friedrich Bessel's method of Parallax
05:21 Lightyear
06:49 Nebulae
07:28 Spectroscopy (Vesto M. Slipher)
08:38 Cepheid Variables (Henrietta Swan Leavitt)
09:27 Andromeda's distance (Edwin Hubble)
10:40 Big Bang theory
11:21 Big Crunch Theory
11:37 discovery of CMB (Arno Penzias and Robert Wilson)
12:49 Type 1A supernova
13:35 The death of Big Crunch theory
14:14 Dark Energy
14:34 size of our Universe
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All I am here for is to make Science Easy. My goal is to make science especially Astronomy easy and interesting for everyone. I will make easy video on topics which people normally think are hard to understand.
If you like this easy and detailed video and you are interested in Astronomy, stars, sun and planets even a little bit then you should watch my series "The Universe". in this series I am trying to explain all the secrets and wonders of the Universe in detail. by using simple and easy words so every one could understand.
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