ST Alpha - "Well, planets are quite small compared to suns/galaxies so they can't directly observe it. My understanding was that they detected extra-solar planets" (Reading a Post)

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In response to "a few ?'s and observations concerning B2's comment on the maybe not existance earth-like planet..." by i'm not Undead yet !

Well, planets are quite small compared to suns/galaxies so they can't directly observe it. My understanding was that they detected extra-solar planets

Posted by oblique (aka kkuphal) Oct 15 '10, 09:08

based on the wobble or effect they have on their sun's orbit or perhaps the light they see from the sun and based on that they can determine size and composition because different materials diffuse the light differently?

Responses:

all we need is significantly better Hubble - Danedukenuuk Oct 15, 09:11 1
- ...with a lens the size of the moon. -- nm - Reagen Oct 15, 09:18

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Well, planets are quite small compared to suns/galaxies so they can't directly observe it. My understanding was that they detected extra-solar planets

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