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stellarium-web.org favicon

View the night sky from anywhere in your browser

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Explore the night sky with an interactive online star map that lets you view stars, planets, and constellations from any location, right in your browser.

eclipse2024.org favicon

Plan and safely view the 2024 solar eclipse

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Eclipse2024.org offers expert info and tools to safely view the 2024 total solar eclipse in North America.

server1.wikisky.org favicon

Explore the night sky interactively online

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Explore stars, galaxies, and constellations with an interactive online sky map for astronomy lovers and curious stargazers.

worldwidetelescope.org favicon

Explore the universe with interactive star maps

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Explore interactive maps of the universe and view astronomical data from telescopes worldwide using this web-based planetarium tool.

space-registry.org favicon

View and verify registered stars worldwide

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Browse and verify registered stars in an international celestial object registry. Explore a prestigious catalog and check your star registration details.

celestrak.org favicon

Track satellites and view real-time orbital data

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CelesTrak offers up-to-date satellite tracking data, tools, and resources for anyone interested in monitoring objects in Earth orbit.

stellarium.org favicon

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.

spaceengine.org favicon

Explore a seamless, realistic virtual universe

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SpaceEngine lets you explore a scientifically accurate virtual universe, traveling from stars to galaxies and landing on planets on your computer.

spacereference.org favicon

Browse an open database of asteroids and comets

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Explore a growing database of asteroids, comets, and other space objects. Discover detailed info about the universe in this open-source resource.

mccarthyobservatory.org favicon

Discover astronomy through hands-on science learning

52%

Explore astronomy and science literacy with the John J. McCarthy Observatory, offering educational resources and telescope experiences.

mcpstars.org favicon

Experience astronomy shows and educational programs

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Explore the universe with Merrillville Community Planetarium offering shows and programs for schools and the public in Northwest Indiana.

gravitysimulator.org favicon

Simulate space scenarios with custom planets and physics

52%

Explore and simulate solar systems, exoplanets, and galaxy collisions with adjustable physics in a 3D gravity simulator.

sdss.org favicon

Access global sky survey data and research tools

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Explore the universe with SDSS-V—access sky-wide optical and IR data, research tools, and collaborative resources for astronomy and science education.

in-the-sky.org favicon

View interactive night sky charts and events

51%

Explore astronomy news and interactive night sky charts to discover planets, stars, and events happening above you. Perfect for stargazers and enthusiasts.

minorplanetcenter.org favicon

Track and discover asteroids and comets worldwide

51%

The IAU Minor Planet Center tracks and shares data on asteroids, comets, and minor planets, helping astronomers worldwide discover and monitor these objects.

legacysurvey.org favicon

View and download deep-sky astronomical survey data

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Explore detailed optical and infrared maps of the extragalactic sky, access survey data, and discover astronomical resources from the DESI Legacy Surveys.

mwatelescope.org favicon

Discover cosmic radio images and research data

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Explore the universe with the MWA Telescope—access radio astronomy data, learn about cosmic discoveries, and connect with the science community.

sdss3.org favicon

Access deep-space survey data and galaxy maps

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Explore massive spectroscopic surveys of the universe, our galaxy, and exoplanets with SDSS-III's data, tools, and research results.

cas.sdss.org favicon

Explore the universe with SDSS data and tools

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Explore detailed images and data from the Sloan Digital Sky Survey with interactive tools for astronomy research and discovery.

nehruplanetarium.org favicon

Experience immersive 3D astronomy shows

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Explore astronomy and immersive 3D shows at Nehru Planetarium with workshops, exhibitions, and skywatch events.

Worldwide Wikisky.org Alternatives

spotthestation.nasa.gov favicon

See when the ISS will pass over your location

82%

Find out when and where to see the International Space Station pass overhead, with easy viewing times and alerts from NASA's Spot The Station website.

theskylive.com favicon

See what’s in your sky tonight, live

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Explore the night sky with interactive star maps, real-time data on planets and comets, and guides for astronomy enthusiasts of all levels.

photoephemeris.com favicon

Map sunlight and moonlight for your next photo shoot

80%

Plan outdoor photography with sun, moon, and Milky Way light maps. See how natural light falls anywhere on earth, day or night, for perfect shots.

spacestationfinder.com favicon

See ISS sighting times for your location tonight

78%

Find out when and where to see the International Space Station from your location. Get real-time schedules by city or zip code for skywatching tonight.

elements.sharpitor.com favicon

Pinpoint your position with celestial navigation tools

78%

Find your location using the sun, moon, stars, and planets with tools and guides for celestial navigation. Accessible on web, iOS, Android, and macOS.

satflare.com favicon

Track satellites live in 3D from anywhere

77%

Track over 15,000 satellites in real time, view HD Earth images and videos from space, and predict satellite passes and flares around the world.

stinergy.com favicon

Track satellites live on your mobile device

74%

Track satellites in real time on your phone with Satellite Chasers, a free app that uses U.S. Space Command data for up-to-date locations.

n2yo.com favicon

Track satellites live on a global map

73%

Track satellites live on a world map, see upcoming passes over your location, and get alerts when satellites are visible—all in real time.

lightpollutionmap.info favicon

See global light pollution and stargazing spots

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Explore an interactive world map showing light pollution, aurora predictions, observatories, and cloud overlays for stargazing and astronomy planning.

dslreports.com favicon

Track live Starlink satellites and coverage

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Track live Starlink satellites and view real-time internet coverage maps to see where connections are available and follow satellite movements worldwide.

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