Questions tagged [telescope]

For questions about the optical devices used to view distant objects by collecting and focusing light. Questions may choose to specify refracting telescopes, which use lenses to focus light, or reflecting telescopes, which use mirrors. Relevant tags include "space," "technology," "engineering," and "vision."

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21
votes
9answers
6k views

Plausible reason not to notice a planet

Imagine a generation ship heading for a distant star. Humanity had means to observe that star up to a point, that it is 99.9% sure the star has a colonizable Earth-like planet (with water and ...
2
votes
2answers
104 views

What would a telescope need to be able to do to see all of the universe? [closed]

If humans are still around in say 2220, what would a telescope have to be able to do to see the edge of the universe (This is also with caveat of FTL being possible)
2
votes
6answers
196 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 ...
14
votes
26answers
7k views

Plausible reason for Earth not be able to get updates about terraforming on Mars?

I’ve been working on a story where terraforming robots are sent to another world and the colonists come along later. Originally, I had the new world be extrasolar, but for other plot reasons, I’m ...
5
votes
5answers
192 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 ...
10
votes
3answers
861 views

Can I monitor animal movements from space?

The Earth-like planet I'm working on is the culmination of years of labor by the galaxy's best scientists. It consists of fully artificial ecosystems, and is, for all intents and purposes, like Earth. ...
4
votes
4answers
217 views

Visibility of explosions from space

I'm trying to figure out whether spacecraft could see explosions occurring on the surface of a planet, or under what conditions they could. To be specific: Given a spacecraft equipped with a ...
17
votes
6answers
2k views

Could a large radio telescope survive interstellar spaceflight?

I recently came across Could pulsars really act as "lighthouses" to help in interstellar travel?, asked a week ago. The author was trying to figure out if pulsars could be useful for ...