Our Vast Home: The Milky Way and Other GalaxiesProvides an insider's view of our own Milky Way and discusses the nature and behavior of galaxies in general. |
Common terms and phrases
2000 Australia 9.5 trillion km Andromeda Galaxy billion stars black hole bottom Bulge and Nucleus called cannibal galaxies Centaurus centers of galaxies closely packed stars cloud of gas clouds of dust cluster of galaxies collections of stars computer-enhanced picture constellation Coma Berenices dim stars dust and gas dust clouds dwarf galaxies elliptical galaxies explode foggy patches four spiral arms galaxies collide galaxies was discovered Gareth Stevens gas and dust giant galaxies globular cluster gravity hundred billion imaginary planet Inset island universes Kant Large Magellanic Cloud larger cluster Left light travels light-years from Earth miles 9.5 trillion Milky Way Galaxy Milky Way's million light-years missing mass Museum nearly 6 trillion nebula Opposite Orion arm Perseus Arm Sagittarius arm seen Small Magellanic Cloud Solar System Sombrero Galaxy spiral galaxy star clusters stars form stars that circle Sun is located thousand galaxies trillion miles 9.5 vast clouds visible white dwarf