Stellarium Web
The planetarium in a browser tab — set your location and it shows exactly what is above you right now.
Opens in a new tab. We do not control this site and it may have changed since we catalogued it.
How to get the most from it
Stellarium Web sits in Space & Scale under Learn, filed as instant.
- Just open it. It pays off within seconds, with nothing to read first.
- It works on a phone or a desktop, so open it on whatever is nearest.
- It works with the sound off, so it is fine on a train or in a quiet office.
- No account needed — you can start without signing up.
- Go in expecting something beautiful, useful and calming.
About this category: Space, deep time and the size of things. Every site here exists to give you the one thing a textbook diagram cannot: actual scale.
Good for
- A five-second distraction
- Looking at something lovely
- Getting something practical done
- Winding down when your head is busy
- A quiet break at your desk
- Killing time on your phone
- Trying it with zero commitment
Stellarium Web: quick answers
Is Stellarium Web free?
Yes. Stellarium Web is free to use and needs no account.
Do I need an account to use Stellarium Web?
No. You can use Stellarium Web without signing up for anything.
Does Stellarium Web work on a phone?
Yes. Stellarium Web works on phones as well as desktop browsers.
Is Stellarium Web safe for work?
Yes, we file it as safe for work. It also works muted.
How long does Stellarium Web take?
We file it as "Instant": Good within five seconds of loading.
More in Space & Scale
All 17 in Space & ScaleScroll outwards from a human to the observable universe, with each step making the previous one look absurd.
- 2 min
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- <1 min
Full-resolution images from the James Webb telescope, with the explanations of what you are actually looking at.
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A browser planetarium stitched from real survey data, letting you pan the whole sky in visible light, infrared or radio.
- 10 min
- Desktop
Same mood: beautiful
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The gentle way into fragment shaders, with every example editable in the page and redrawing itself as you type.
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Scroll from the surface to the bottom of the Mariana Trench, meeting every creature at the depth it actually lives.
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Keep exploring
Category
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