Introduction -- Endless space -- Star stuff -- Black holes -- Our closest star -- Rocky planets -- Gassy planets -- Space rocks -- galaxies -- Big bang -- Do aliens exist? -- Star-gazing -- Reference section -- Index -- Credits.
Summary
It's a weird world out there...dazzle your friends with wacky facts and more. The Biggest Black Hole that scientists have discovered is as heavy as 100 million suns. You Can Find Out how hot a star is by looking at its color. Our Bodies are made from the dust of dead stars