The Collision Between Andromeda And Our Galaxy Has Started
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Let's go back for a while to 1929.
That was pretty the year that changed our world.
One of the greatest astronomers of all time discovered one of the most mind-blowing laws of the universe.
What he found was that the entire universe was expanding, and it was doing so according to the following empirical formula:
Later observations in the years continued to confirm this empirical law, and today one of the most challenging problems to solve is to find a more precise value of the Hubble constant.
Its value, as of today, is set at about 71 km per second per megaparsec.
I know what you're thinking: why is he talking about Hubble's law? This video is supposed to be about the Milky Way and Andromeda collision!
Don't worry, I didn't forget. The Hubble's law will be important for us to understand why we can safely say that Andromeda is coming...toward us.
Follow me in this video to get to know why about galaxies collisions, and to know what will happen to our Galaxy, the Milky Way, in the next billions of years according to models.
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Timecode:
00:00 Intro
1:54 Hubble's Law
9.05 The Solar system Fate
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Credits: Ron Miller
Credits: Mark A. Garlick / MarkGarlick.com
Credits: Nasa/Shutterstock/Storyblocks/Elon Musk/SpaceX/ESA/ESO
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#InsaneCuriosity #Andromedagalaxy #Milkyway