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View real-time solar images and data

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Explore real-time images, data, and news from the Solar and Heliospheric Observatory. Learn about solar events and stay updated on the latest discoveries.

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Generate sky images from NASA's virtual telescope

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Explore the universe with NASA's SkyView, a virtual observatory that lets you generate images of any part of the sky across multiple wavelengths.

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Browse 5,000 years of eclipse maps and data

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Explore NASA's official archive of eclipse maps, tables, and guides spanning 5,000 years, with tips on eclipse viewing, safety, and photography.

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Discover the universe's most energetic events

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Explore the universe with NASA's Fermi Gamma-ray Space Telescope site, offering news, discoveries, and resources about high-energy cosmic phenomena.

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Find official names of planetary features

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Explore official names and details for features on planets and moons using this NASA and USGS resource for planetary nomenclature and mapping.

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Access real solar flare data and mission insights

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Explore RHESSI mission data, solar flare images, and scientific resources for studying high-energy solar phenomena and space science research.

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Discover asteroid radar data and research

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Explore asteroid radar research, data, and findings from NASA's JPL, offering insights and resources for astronomy and space science enthusiasts.

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Explore planets and moons in interactive 3D maps

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Explore and analyze planets and moons with NASA's interactive online maps, featuring real spacecraft data, 3D flyovers, and measurement tools.

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Track near-Earth asteroids and close approaches

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Explore NASA's Near-Earth Object database for up-to-date info on asteroid risks, close approaches, orbits, and more. Track NEOs and learn about space safety.

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Discover NASA astrophysics research and data

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Explore astrophysics research, data archives, and resources on cosmic rays, exoplanets, and more from NASA's Astrophysics Science Division.

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Explore trusted particle physics data and reviews

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Find comprehensive data, reviews, and tools on particle physics, including interactive listings, summary tables, and educational resources for all levels.

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Discover NASA JPL's latest space science research

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Explore space and Earth science research, projects, and discoveries from NASA's JPL, with resources for scientists, students, and science enthusiasts.

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Find expert research guides on any topic

22%

Explore a wide range of research guides and resources from the Library of Congress to support your studies, research, and learning—all online and free.

Worldwide Science.nasa.gov Alternatives

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Discover cutting-edge astronomy research and education

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The Centre for Astrophysics and Supercomputing shares research, education, and resources in astronomy, inspiring curiosity about the universe.

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Explore the search for life beyond Earth

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The SETI Institute brings together scientists and space enthusiasts to explore the universe, share discoveries, and ask if we are alone in space.

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Explore astronomy news, research, and events

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The Royal Astronomical Society promotes astronomy and geophysics, sharing news, research, events, and resources for scientists and enthusiasts alike.

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Explore cosmic ray research worldwide

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The Institute for Cosmic Ray Research at the University of Tokyo shares global research, news, and resources about cosmic ray and astrophysics discoveries.

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Identify native plants with easy-to-use keys

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Explore and identify native plants in New England with simple keys, plant sharing, and teaching resources from the Native Plant Trust's online guide.

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Discover astronomy resources and events

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The Astronomical Society of the Pacific connects people with astronomy through education, resources, and events. Explore, learn, and get involved today.

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Explore the night sky with a real-time star map

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Discover stars, planets, and constellations in real time with an interactive sky map. Explore astronomy guides, news, and quizzes for all ages.

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Explore a realistic 3D night sky from home

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Stellarium lets you explore a 3D night sky on your computer, showing stars, planets, and constellations just as you'd see them in real life.

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Explore the solar system in 3D, live online

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Explore a real-time 3D model of the solar system and night sky, viewing planets, stars, and constellations interactively from your browser.

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View the sky in real time with a 3D planetarium

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Explore a 3D planetarium and real-time sky guide that lets you discover stars, planets, and timekeeping in an interactive, educational experience.

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