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Does anyone know about the quality of telescopes in Romer's time? Specifically, I'm interested in learning how big IO and Jupiter looked to him. I've looked up
by hackaflocka 11y ago
Does anyone know about the quality of telescopes in Romer's time?
Specifically, I'm interested in learning how big IO and Jupiter looked to him. I've looked up at Jupiter and Saturn etc. a few times through science class telescopes, never been able to see the moons.
- jhallenworld 11y agoThe moons are easy to see because they are bright: they look like nearby stars (bright points). If you observe over time you can see that they have moved.