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Space-Time
A 3D universe explorer & astronomy app, in your browser
Space-Time is a free, browser-based universe explorer and astronomy tool. No account, no ads, no install. You can fly from a planet's surface out to the edge of the observable universe, stand on the Moon or Mars and look up at the real sky for any date, watch real eclipses, and plan tonight's stargazing from your own backyard. It started as a passion project, basically the astronomy tool I wish I'd had in school. I'd love to hear what's confusing, what's missing, and what you'd build next.
Top comment
This started as something I was building just for myself. The astronomy apps I'd tried were either pricey, app-only, or stuck in flat 2D, and I wanted something you could just open and explore, so I started making one that runs right in the browser. It kind of got out of hand from there. The main idea is you can go from standing on the ground looking up, all the way out to the edge of the observable universe, without it ever cutting to a loading screen. Along the way you can stand on the Moon or Mars and see the real sky for any date, watch actual eclipses, replay the Apollo missions, or just work out what's worth looking at tonight from your backyard. With the big eclipse coming up in August, you can punch in your city and see exactly what it'll look like from there. There are around two and a half million actual stars in there, sitting where they really are in the sky, the planets and moons follow real NASA orbit data, and the exoplanets and galaxies come straight out of the published catalogs. I didn't want any of it faked or just sitting there to look pretty. It's completely free. No account, no ads, no tracking. I'm not selling anything, I just think this stuff is incredible and wanted other people to be able to mess around with it. It's still a work in progress and there are rough edges, especially on phones, so if something breaks or feels confusing, please tell me. And if there's something you wish it did, I want to hear about it too. Ask me anything.
About Space-Time on Product Hunt
“A 3D universe explorer & astronomy app, in your browser”
Space-Time was submitted on Product Hunt and earned 0 upvotes and 1 comments, placing #139 on the daily leaderboard. Space-Time is a free, browser-based universe explorer and astronomy tool. No account, no ads, no install. You can fly from a planet's surface out to the edge of the observable universe, stand on the Moon or Mars and look up at the real sky for any date, watch real eclipses, and plan tonight's stargazing from your own backyard. It started as a passion project, basically the astronomy tool I wish I'd had in school. I'd love to hear what's confusing, what's missing, and what you'd build next.
On the analytics side, Space-Time competes within Space — topics that collectively have 8.6k followers on Product Hunt. The dashboard above tracks how Space-Time performed against the three products that launched closest to it on the same day.
Who hunted Space-Time?
Space-Time was hunted by Ben. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of Space-Time including community comment highlights and product details, visit the product overview.