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.
To make Kindle Unlimited a money-saving machine, youâll have to read: 1  at least one $9.99 book a month, 2  at least two $4.99 books a month, 3  three or more $2.99 books per month, 4  ten on more $0.99 books per month.ou can only keep up to 10 books from Kindle Unlimited in your account at a time. Other ebook subscription platforms also have such limits. For instance, Scribd has a limit of 20 books.