Black Hole Quiz: How Well Do You Know Nature's Weirdest Creations? By SPACE.com Staff | May 29, 2012 05:58pm ET MORE Black holes are so bizarre, they sound unreal. Yet astronomers have found good evidence they exist. Test your knowledge of these wacky wonders. Start the Quiz 0 of Start Over More from Space.com New Star Trek TV Series Beams Up Bryan Fuller as Co-Creator Could a Meteorite Really Have Killed a Bus Driver in India? Hundreds of Hidden Galaxies Glimpsed Behind Milky Way (Video) Radio Telescope Reveals Hundreds Of Hidden Galaxies Behind Milky Way's Haze | Video More Gravitational Wave Rumors: Colliding Black Holes? Medium-Size Asteroid Strike Could Unleash a Mini Ice Age Light-Years and Luminosity: Tarantula Nebula | Space Wallpaper Have Gravitational Waves Finally Been Spotted?