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The sun's focal point is 542 AU, about 11 times Pluto's orbit. It's safe to say we won't be using Jupiter or Earth as lenses anytime soon.
by tadfisher 4y ago
The sun's focal point is 542 AU, about 11 times Pluto's orbit. It's safe to say we won't be using Jupiter or Earth as lenses anytime soon.
- sandworm101 4y agoNot as gravity lenses, but as both planets have atmospheres they can be used as refracting lenses at much shorter focal points at orbits, if using earth, just beyond the moon. https://www.science20.com/tommaso_dorigo/the_terrascope_using_earth_as_a_lens-240567 https://www.science20.com/tommaso_dorigo/the_terrascope_usin...
- flangola7 4y agoCould we start with Earth and scale up to the sun?