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.
amazon on friday announced kindle unlimited a new all you can read e book service allows customers to read as many titles as they want for $ 9 99 per month kindle unlimited has a library of over 600000 books including well known titles like harry potter and life of piet s break down the math to see whether you plow through enough books regularly to justify the cost at $ 9 99 per month kindle unlimited costs about $ 120 per year e books on amazon can vary wildly in price from $ 0 99 to hundreds of dollars