Billions and Billions
When you look up at the night sky, what do you see?
At one time, the highest estimate of galaxies in the observable Universe was 200 Billion.
Now, estimates show the possibility of at least 2 trillion, and as many as 5 trillion galaxies.
|Year||# of Galaxies|
What do We Learn?
The Universe is vast, take a moment to consider a few things.
Have you been pretty sure of yourself up to this point?
- Remember that there may be data yet to uncover
- Come to terms with the fact that not everything is knowable all at once
- Stay curious, continue to run proofs
Actual Last Slide
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