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rumbletummy t1_j5208qm wrote

Reply to comment by CremePuffBandit in Are Two Tidally Locked Earth in One Solar System Possible? by Thirdy-DOg

If a planet of the exact same size as earth existed, in the same orbit/speed as earth, but 12 hrs (6 months) off, would we ever know?

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ruferant t1_j52dpeg wrote

They made a movie, everything was reversed like a mirror. Edit, 6 months off, somehow I think that's what you mean

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rumbletummy t1_j52n04x wrote

Youn right, 6 months. And thanks for the suggestion!

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Underhill42 t1_j5398l2 wrote

12 hours? Definitely. That's only about half a degree away in our orbit around the sun. The impact wouldn't be long in coming.

6 months though? Then it would be exactly on the opposite side of the sun, in our L3 point.

It was actually once speculated that there might be a "Mirror Earth" there, but it wouldn't be a particularly stable location, and our probes have long since confirmed there's nothing significant there.

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rumbletummy t1_j53m62d wrote

Yeah I messed up with the 12 hrs, probes make sense.

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