Stumbled upon this homage to the old powers of ten video from the 70s: Our Universe is SO big, it’s mindblowing! 🤯 BBC.
Tag Archives: universe
The Universe and Stuff
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The age of the universe is 13.798 billion years.
The size of the universe is unknown, it may be infinite.
A galaxy is a massive gravitationally bound system. There are probably more than 170 billion galaxies in the observable universe.
The Most Powerful Objects in the Universe
Today I watched this video: The Most Powerful Objects in the Universe. Awesome stuff.