Astronomy - Ch. 29: Galaxies (1 of 14) How Many Galaxies are there in the Universe?

Michel van Biezen
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Visit http://ilectureonline.com for more math and science lectures! To donate: http://www.ilectureonline.com/donate https://www.patreon.com/user?u=3236071 We will learn how astronomers calculate how many galaxies are in our observable universe. Next video in this series can be seen at: https://youtu.be/WuIGRhvG9uo

Published by: Michel van Biezen Published at: 4 years ago Category: آموزشی
ilectureonline ilectureonline.com Mike Mike van Biezen van Biezen ilecture ilecture online Astronomy Space star birth giant sun fluctuate earth nova rotating redshift Hubble constant velocity distance expanding universe Neutron proton electron core radiation pressure super massive