Science & Reason on Facebook: tinyurl.com NASA's Spitzer Science Center: "Ask An Astronomer (Part 1) The Center Of The Universe". In this popular video series, real astronomers answer common questions about astronomy. Part 1: "Where Is the Center of the Universe?" Dr. Varoujan Gorjian explains the mind-boggling expansion of the Universe. --- Please subscribe to Science & Reason: • www.YouTube.com • www.YouTube.com • www.YouTube.com • www.YouTube.com --- Where is the center of the Universe? This may seem like a simple question. Since the Universe is expanding, it would seem logical that it was expanding away from a particular point. But, the Universe doesn't actually work like that. The Big Bang, which started the expansion of the Universe, isn't like a firecracker explosion where there is a boom and all the pieces go flying apart from a single point. The Big Bang was in fact the creation of matter and space. And it is this space that's expanding. Think of space as if it's a sidewalk with people standing on it. The expansion of the Universe isn't the people walking away from each other, but it's more like the sidewalk is spreading and moving the people apart. As a simpler example, let's take the surface of a balloon. We can draw galaxies on it, but notice that no galaxy is at the center of the surface. When we blow up the balloon, all the galaxies spread apart from each other. If you look at any single galaxy, all the other galaxies seem to be spreading away from it. Every ...
Keywords: center, universe, nasa, spitzer, hubble, space, telescopes, astronomers, astronomy, expansion, big, bang, explosion, science, creation, matter, milky, way, galaxies, redshift, law, constant, jpl, caltech
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