In deriving his formulas for gravity, Newton expressed two concerns that have been largely ignored by succeeding generations of astronomers and physicists: the apparent ability of gravity to "act at a... This description may be from another edition of this product.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $15. ThriftBooks.com. Read more. Spend less.