Life & fun · alternatives · 2026
24 alternatives to Explain Space
Common outer space phenomena, beautifully explained.
Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Explain Space launched in 2016; 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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Google Translate for engineers working with motion
2017 · its alternatives →
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Explore the worlds and systems of Star Wars.
2015 · its alternatives →
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Learn everything you need about space
2024 · spaceknown.com · its alternatives →
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Real stories from the men and women who have been to space
2016 · its alternatives →
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Behind the scenes at Kennedy Space Center & rocket launches
2016 · its alternatives →
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Free course on how the world works from the YouTube star.
2015 · 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 →