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ASTRONOMY
Stellarium is a free open source planetarium for your computer(Tribute to Armando Vallarino)Astronomy for kids (NASA) (Tribute to Armando Vallarino)
Carl Sagan's biographySlooh - Community Observatory
SpaceEarth - NASA
Hearth - WikipediaExplore Mars
At-Home AstronomyAstronomy-Now Magazine
View of outer spaceSpace Weather
Universe TodayWilkinson Microwave Anisotropy Probe
AstronomyReporting Auroras from the ground up
Giant Magellan TelescopeSolar System Simulator
American Association of Variable Stars ObserversExploring the Solar System
Access NovaExploratorium
Your Weight on Other WorldsAURA, Research in Astronomy
Near Earth Object ProgramSpace Exploration
X - Ray ObservatoryNASA TV
Voyager MssionJames Webb Space Telescope
Spitzer Space TelescopeOnce upon a try
Sky and Telescope MagazineAstronomy and Astrophysics
ESA in United KingdomSpace Science
Archaeologists and astronomers solve the mystery of Chile's Stonehenge (The Guardian by Laurence Blair)The Planetary Society
Astronomy ResourcesCosmic origins
The Hubble TelescopeGuide to backyard astronomy
The Gemini ObservatoryESA - Black hole devouring a star
Alma ObservatoryNASA
Hubble SiteThe Astronomy Net
Messier Object CatalogHubble Telescope Pictures
Subaru TelescopeParanal Observatory
ESO ObservatoryNational Science Foundation
Space Telescope Science InstituteResearch in Astronomy
Space Infrared Telescope FacilityGLORIA Project
The Astronomy NetSpace Calendar
Messier ObjectsJapan, Subaru Telescope
ESO Paranal ObservatoryEuropean Southern Observatory
La Silla ObservatoryCarnegie Observatory
A Review of Carl Sagan's "Cosmos"Tour the Cosmos
Las Campanas ObservatoryAssociation of Lunar and Planetary Observers
Astronomical Society of the PacificCanadian Space Agency
Phil Plaitt’s “Bad Astronomy” blogAstronomers Without Borders
Eclipse Photography & SafetyThe Hubble Heritage Project
International Dark – Sky AssociationInternational Meteor Organization
A Site for the Avid Lunar ObserverJet Propulsion Laboratory (CIT)
Meteorites and Impact Advisory Committee (also in French)Astrophysics Data System
NASA Eclipse Web SiteNASA/IPAC Extragalactic Database
NASA – Human Space FlightSatellite Tracking Information
Space Telescope Science InstituteHubble Heritage Project
Physic and Astronomy HawaiSpace Facts

EDUCATION
Brainly. Answers to your school questions.World Wild Life
KidsNetVirtual Jerusalem
National Science FoundationThe Global Source for Science News
Encyclopedia BritannicaUniversity of Memphis
University of ChicagoDiscovery Channel
Babylon, Diccionaries & GlosariesCREN, Educational Research
Word2 Word, Languages ResourcesFree Translation
Herbert Von KarajanUniversity of Sheffield
Bird Life InternationalBirder Web Site
Wold Bird GuideFossil Horse Cybermuseum
Open UniversityUniversity of London
Bio True StoryUniversidad Autónoma de Barcelona
New 7 WondersMonographies
eNature, WildlifeBecoming Human
Indiana UniversityThor Heyerdahl Expeditions
Noah Grey Photography Los AngelesWorldwide Classroom
M.I.T. Media LaboratoryMassachusetts Institute of Technology
Harvard UniversityNASA, Education Program
Studies in the USAWorld Heritage
Serengeti, National ParkThe Living Edens
LogosWeb Gallery of Art
Straight Dope ArchivePlants Database
Wright Flying MachineInternational and Area Studies
Online Courses 1 Online Courses 2
UDACITY CoursesKanacademy Courses
MIT, CoursesTUDeft Open Courses
EDX, CoursesMath & Language Arts
Academic Skill BuildersJefferson Lab
Blue Planet II, BBCMath Lesson Plan
English Lesson PlanScience Lesson Plan
Learn AnythingScholas Social (Vaticano)
Excel-TutorialsKhan Academy
Gramophone UK - MusicLearning About Insects
Calculators: Finance, Physics, Health and many more.

ROBOTICS (Tribute to Armando Vallarino)
Changing your idea of what robots can do.Science Robotics

WEB BROWSERS
ChromeInternet Explorer
Mozilla FirefoxOpera
SafariMicrosoft Edge
MaxthonUC Browser
TorchVivaldi
Avant Browser Sea Monkey
NetSurfChromium
BraceSlimBrowser

MUSEUMS
Selected museums around the worldAmerican Museum of National History
Salvador Dali MuseumsLouvre Museum
Museo del PradoThe British Museum
Wien, Museum Moderner Kunst (German)American Museum
Egyptian MuseumDeutsches Museum (German)
Museo Nacional de Antropología Mexico (Spanish)The State Hermitages Museum
Florida MuseumExploratorium, Museum of Science
American MuseumPaul Getty Museum
Metropolitan Museum of ArtThe Alternative Museum
Museum of Modern ArtWhitney Museum
National Museum of American HistoryMuseum of New York
Museum of Unnatural MysteryMuseo Picasso, Málaga
National Museum Reina Sofía (Spain)Holocaust Memorial Museum
Natural History Museum, LondonWeb Museum, Paris
Smithsonian MuseumMuseum of Science, Boston
Science Museum, LondonRoyal Ontario Museum
Design Museum, LondonVan Gogh Museum
Brooklin MuseumPhiladelphia Museum of Art
Computer History MuseumAir Force National Museum, USA
Arizona - Sonora Desert MuseumMuseo della Specola, Bologna Italy
Museum of the History of Science, ItalyLeonardo da Vinci Museum, Italy
Wine Museum in Umbria, ItalyBelvue Museum (Brussels)
Vitual Museum, IEEEMuseum National, France
The New York Botanical GardenSmithonian National Museum
Natural History Museum, LondonAmerican Museum of Natural History
Web ExhibitsMuseum Hermitage
J.Paul Getty MuseumMetropolitan Museum of Arts
Art Museum Image ConsortiumExploration Museum of Science
Metropolitan Museum of ArtsWhitney Museum of America
The Museum of City of New YorkArt Museum Sao Paulo Brasil
National Gallery of LondonRijks Museum Amsterdam
National Gallery of Arts, WashingtonUnite State Botanic Garden
Design Museum of LondonImperial War Museums
The Field MuseumMuseum Marmottan Monet
Museum Picasso, Paris9/11 Memorial Museum
National Museum of PlayBerlin Wall Memorial
Royal Academy of Arts, LondonNew Museum of New York
Wellcome CollectionVictoria & Albert Museum
The American Museum of PhotographyVatican Museums