Life & fun · alternatives · 2026
24 alternatives to Space Known - Learn about Space
Learn everything you need about space
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Space Known - Learn about Space launched in 2024; newer entries below may have overtaken it.
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Hello HN! Sharing a recent side project of mine, the Atlas of Space, that I built out to explore the Solar System. As a long-time space nerd, I realized recently that I didn't have a good intuition on the scale, speed, and relative orientation of the celestial bodies around us. So over the break I built out a kind of spatial Wikipedia to click around and learn about planets, moons, asteroids, and other bodies orbiting the Sun. The physics is all simulated in the browser using simple Newtonian mechanics. There's a lot left to do from here, including modeling objects in non-Keplerian orbits…
2025 · atlasof.space · its alternatives →
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Official NASA library, searchable by keywords and metadata
2017 · its alternatives →
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Learn Anything▲687Search Interactive Maps to Learn Anything
2017 · learn-anything.xyz · its alternatives →
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uphere.space▲112Realtime tracking and prediction for thousands of satellites
2019 · its alternatives →
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Get to know how to communicate with your market audience
2020 · its alternatives →
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Explore space. Astronomy guide. Stars and constellations map
2022 · its alternatives →
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Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →