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6 votes
6 answers
3k views

Could a society with medieval technology discover all the planets in the solar system?

Could you have a telescope advanced enough to see a planet as far away as Neptune is from Earth, in a civilization with a tech level equivalent to 1100 AD? Would it be possible to discover all the ...
www's user avatar
  • 1,525
2 votes
4 answers
315 views

Could a space-based telescope 'sense' something extraneous?

If a fist-sized artefact was to attach itself to a space telescope (of near-term build, such as the Nancy Grace Roman) situated in L2 of a Lagrange point, would Ground Control be able to detect it?
calamus's user avatar
  • 29
2 votes
6 answers
219 views

Why would less-bright meteors be more valuable to spot?

Imagine an agency/company has been set up to track meteors (shooting stars) in pursuit of profit. I need to provide a motivation to upgrade their sensors + equipment over and over again — pouring ...
AlexHeeton's user avatar
5 votes
5 answers
243 views

Plausible scenario for the invention of telescopes and/or cameras in antiquity?

Inspired by a previous revision of one of the articles on the Kerbal Space Program wiki: How would one plausibly have telescopes and/or cameras be present on an inhabited, civilised planet since ...
Vikki's user avatar
  • 1,035