The remains of collapsed stars, black holes possess enormous gravities that pull in and annihilate any matter that strays too close. The latest evidence and theories for these bizarre objects are... 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.