Larger craters can have terraces, central peaks, and multiple rings. Copernicus is a large crater (93 kilometers or 60 miles wide) on the Moon. The inner walls of the crater have collapsed to form a series of step-like terraces, and a central peak is visible in the center of the image. Apollo 17 image courtesy of NASA. A complex crater in the northern region of Mars.
Self-published authors could be paid as little as $0.006 per page read under new rules planned by Amazon. Writers who make their works available through Amazonâs Kindle Owners Lending Library, and a similar service called Kindle Unlimited, will no longer be paid per copy downloaded following a move announced last week.
Kindle Unlimited turns to pay-per-page for author royalties. By Roger Packer. Kindle Unlimited is switching to a pay-per-page system from the present payout of a flat payment per book once 10% of the book has been read. Amazon gives an extraordinary example of an author earning $20 per borrow under the new deal.