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Can we mask the Earth from hostile aliens ?

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Author Topic: Can we mask the Earth from hostile aliens ?  (Read 66 times)
Manetho
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« on: April 10, 2016, 02:55:09 am »

And in any case, many exoplanets have been discovered by variations in radial velocity - i.e. the star "wobbles" - as opposed to dimming due to transits.
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