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  • 7 votes cast
Sep
24
awarded  Autobiographer
Dec
7
revised How would we detect an Earth doppelganger planet?
Clarify the question and extent it to address the distance required to be detectable
Dec
7
comment How would we detect an Earth doppelganger planet?
That's not the point of the question, assuming there is a planet identical to us, would we be able to detect it and realise it has intelligent life.
Dec
6
comment How would we detect an Earth doppelganger planet?
The universe is pretty old, they might have sent it a long time a go in a galaxy far away...
Dec
6
comment How would we detect an Earth doppelganger planet?
In recent years we have been discovering hundreds of exoplanets and your saying that if one of those was as advanced as us, we would have no way of telling?
Dec
5
awarded  Editor
Dec
5
revised How would we detect an Earth doppelganger planet?
added 3 characters in body
Dec
1
awarded  Student
Nov
30
comment How would we detect an Earth doppelganger planet?
What I'm trying to get at is that if there was a planet/civilisation exactly like us, would we be able to detect that.
Nov
29
awarded  Supporter
Nov
29
asked How would we detect an Earth doppelganger planet?