In August of 2007 astronomers located a gigantic hole in the universe. This empty space, stretching nearly a billion light-years across, is devoid of any matter. A radical and controversial theory proposes that it is a "Universe-in-mass Black hole"
Researchers are attempting to create an Earth-size virtual instrument called the Event Horizon Telescope; a worldwide network of radio telescopes powerful enough to snap a picture of the supermassive black hole at the heart of our Milky Way galaxy.
Looking through the physics book I came across the black hole. If you went through a black hole your body would be stretched, flattened, and eventually pulled apart. This is on page This has to deal with Chapter 7 Gravitation. (Not my words!
THE MAJESTIC SOMBRERO GALAXY 28 million light years from earth and light years across . Photo By: NASA Hubble Space Telescope.-- Wow, that is an amazingly large galaxy! I love how this photo has it appearing on an angle.