/ Homework Help / Science Cite Homework Facts: Science Updated February 21, 2017 | Factmonster Staff Science Animals | Computers | Astronomy | Weather | Space | Science & TechnologyAnimalsClassifying AnimalsVertebrates and InvertebratesHibernation and AestivationParasites, Symbiosis: Animal PartnershipsThreatened and Endangered SpeciesAnimal Names: Male, Female, and YoungLife Cycle Statistics of Certain AnimalsHerds, Flocks and Schools: Animal GroupsSpeed of AnimalsNames for Animal ScientistsU.S. Zoos and AquariumsDinosaursDinosaur Hall of FameClassification of the Dinosaurs75-Million-Year-Old Dinosaur Voice Heard AgainComputersInternet Resource GuideComputer GlossaryCountries With the Most ComputersComputers Per CapitaHouseholds That Own A Personal ComputerTop 15 Countries in Internet UsageTop 15 Countries in Internet Usage Per CapitaAstronomyComet Hale-BoppAstronomical TermsAstronomical ConstantsOrigin of the UniverseBirth and Death of a StarSupernovasThe Solar SystemFormation of the Solar SystemThe SunThe MoonThe PlanetsEarthMercuryVenusMarsJupiterSaturnUranusNeptunePlutoCometsAsteroidsMeteors and MeteoritesThe Brightest StarsThe ConstellationsThe 88 Recognized ConstellationsEclipseAstronomy Web SitesSeasonsHistory of the CalendarTime and CalendarWeatherWeather and ClimateSpaceThe Dawning of the Space AgeMajor Space ExplorationsNotable Unstaffed Lunar and Interplanetary ProbesU.S. Staffed Space FlightsSoviet Staffed Space Flight ProgramsNotable Staffed Space FlightsFirst U.S. SatelliteApollo 11: Man's First Moon Walk in 1969Space Web SitesScience and TechnologyScientific ClassificationChemical ElementsThe ElementsTable of Geological PeriodsFour-Million-Year-Old Prehumans Walked ErectMajor Discoveries about Human Ancestors1999 Intel Science Talent Search WinnersCloning Humans: Facts and FallaciesCloning MilestonesRoundup of Recent Discoveries, 1998Roundup of Recent Discoveries, 1997Who Discovered What WhenScience Web Sites Homework Center Home | Facts | Search TipsAsk a Question | Answer Page Sources + Our Common Sources ✖ See also: Homework Helper Fun Facts: World History
Updated February 21, 2017 | Factmonster Staff Science Animals | Computers | Astronomy | Weather | Space | Science & TechnologyAnimalsClassifying AnimalsVertebrates and InvertebratesHibernation and AestivationParasites, Symbiosis: Animal PartnershipsThreatened and Endangered SpeciesAnimal Names: Male, Female, and YoungLife Cycle Statistics of Certain AnimalsHerds, Flocks and Schools: Animal GroupsSpeed of AnimalsNames for Animal ScientistsU.S. Zoos and AquariumsDinosaursDinosaur Hall of FameClassification of the Dinosaurs75-Million-Year-Old Dinosaur Voice Heard AgainComputersInternet Resource GuideComputer GlossaryCountries With the Most ComputersComputers Per CapitaHouseholds That Own A Personal ComputerTop 15 Countries in Internet UsageTop 15 Countries in Internet Usage Per CapitaAstronomyComet Hale-BoppAstronomical TermsAstronomical ConstantsOrigin of the UniverseBirth and Death of a StarSupernovasThe Solar SystemFormation of the Solar SystemThe SunThe MoonThe PlanetsEarthMercuryVenusMarsJupiterSaturnUranusNeptunePlutoCometsAsteroidsMeteors and MeteoritesThe Brightest StarsThe ConstellationsThe 88 Recognized ConstellationsEclipseAstronomy Web SitesSeasonsHistory of the CalendarTime and CalendarWeatherWeather and ClimateSpaceThe Dawning of the Space AgeMajor Space ExplorationsNotable Unstaffed Lunar and Interplanetary ProbesU.S. Staffed Space FlightsSoviet Staffed Space Flight ProgramsNotable Staffed Space FlightsFirst U.S. SatelliteApollo 11: Man's First Moon Walk in 1969Space Web SitesScience and TechnologyScientific ClassificationChemical ElementsThe ElementsTable of Geological PeriodsFour-Million-Year-Old Prehumans Walked ErectMajor Discoveries about Human Ancestors1999 Intel Science Talent Search WinnersCloning Humans: Facts and FallaciesCloning MilestonesRoundup of Recent Discoveries, 1998Roundup of Recent Discoveries, 1997Who Discovered What WhenScience Web Sites Homework Center Home | Facts | Search TipsAsk a Question | Answer Page Sources + Our Common Sources