Message Font: Serif | Sans-Serif
No. of Recommendations: 3
8. Telescopes did exist, and so did astronomy, but people were just beginning to come to grips with the idea that the stars were not fixed onto a transparent rotating surface several hundred meters above the earth. The scale of the solar system was known, more or less, to a few astronomers, but the idea that the sun might be a star was not. Galaxies were utterly unknown. The "universe" consisted of the sun and the planets out to Jupiter -- that was it.

This isn't quite true. Most learned people of the period knew the stars were very far away.

We even knew the distance to the moon, and the circumference of the earth by about 235 B.C.
Print the post  


What was Your Dumbest Investment?
Share it with us -- and learn from others' stories of flubs.
When Life Gives You Lemons
We all have had hardships and made poor decisions. The important thing is how we respond and grow. Read the story of a Fool who started from nothing, and looks to gain everything.
Contact Us
Contact Customer Service and other Fool departments here.
Work for Fools?
Winner of the Washingtonian great places to work, and Glassdoor #1 Company to Work For 2015! Have access to all of TMF's online and email products for FREE, and be paid for your contributions to TMF! Click the link and start your Fool career.