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The WorldWide Telescope computer program (WWT)  is a stunningly beautiful and freely available open-source tool offering immersive views of the sky and multimedia links to interactive descriptions and explanations of millions of celestial objects.
WorldWide Telescope Ambassadors (WWTA) use WWT to educate the public about Astronomy and Science.
WWTA is run by a team of astronomers and educators at Harvard University, in collaboration with the WWT community.