(Encyclopedia) black hole, in astronomy, celestial object of such extremely intense gravity that it attracts everything near it and in some instances prevents everything, including light, from…
What causes a rainbow? A rainbow in Indiana, Oct. 2015. Source: AP Photo/Michael Conroy Although light looks colorless, it’s made up of many colors-red, orange, yellow, green, blue,…
Was Three Company? Past evidence uncovered in Israel and France has shown that Neanderthals lived on Earth at the same time as modern Homo sapiens. Neanderthals were found to have lived about 34,…
Baseball Contraction FAQs The nitty gritty by John Gettings RELATED LINKS Contraction PrimerContraction TimelineBaseball Commissioner Bud SeligMajor League Baseball…
Mayor: Alvin Brown (to June 2015)2010 census population (rank): 821,784 (11); Male: 398,294 (48.5%); Female: 423,490 (51.5%); White: 488,473 (59.4%); Black: 252,421 (30.7%); American Indian and…
WHAT ARE FUSION AND FISSION? HOW IS A NUCLEAR REACTION CONTROLLED? RADIOACTIVITYFIND OUT MOREThe energy that makes the stars shine and produces the heat inside a nuclear reactor is nuclear energy.…
