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When we have reached the point to explore extrasolar worlds, we will probably have also reached the point that a spacecraft can map an entire planet as soon as
by forgotpwd16 3y ago
When we have reached the point to explore extrasolar worlds, we will probably have also reached the point that a spacecraft can map an entire planet as soon as it has reached it.
- 7thaccount 3y agoTrue, but you'll still be the first humans climbing it's mountains and walking through it's forests and beaches. It still counts.