Submitted by thegoodnamesRtaken9 t3_zzkrrg in explainlikeimfive
tifloh t1_j2dr3vf wrote
Reply to comment by sterlingphoenix in ELI5: How do we get such detailed pictures of planets and space? by thegoodnamesRtaken9
Thank you for the detailed explanation. I am trying to understand how scientists can be certain that the light they capture, especially from objects that are thousands/millions of light years away that the light is indeed from those objects and is not contaminated by other light? Again, kindly eli5!
sterlingphoenix t1_j2dsuv4 wrote
I mean, you'd see the other light (:
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