Scale of the Universe

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The Most Astounding Fact

Astrophysicist Dr. Neil DeGrasse Tyson was asked by a reader of TIME magazine, "What is the most astounding fact you can share with us about the Universe?" This is his answer.

Observable Universe

Example 1 - Smooth Zoom Earth | Solar System | Interstellar Neighborhood | Milky Way Galaxy | Local Galactic Group | Virgo Super Cluster | Local Super Cluster | Observable Universe

Wikipedia - Observable Universe | BIG VERSION 23624x2953 pixesl!

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