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  • Super cool project! These kinds of viewers seem to pop up every few days, but this one is the best one so far. For feedback, I found it a bit odd that when selecting Sombrero Galaxy for example it zooms to the black hole M104 at the center of it, and actually viewing the entire galaxy then requires several mouse wheel spins :) Otherwise, great stuff.
    by tlahtinen
  • It's cool! Recently I built a space explorer-like WebGPU project inspired by Space Engine the game, and your implementation runs smooth with rich visuals, that's far superior to mine.

    I do find it sometimes hard to navigate and has some visual glitches, but man it is good. I hope one day it becomes my go-to for space exploring, since Space Engine is Windows only and it does not run on my Mac. And building the space must be a huge amount of work, there's so much that has to go into it.

    by Lwrless
  • 9.336 WGPU Error: Not enough memory left.

    This is on a 4GB 1650 Super, latest Firefox, Win10. It's an old card, sure, but it can still play most commercial games; I'm not sure why this thing is so hungry. Lots of big volumetric textures, maybe?

    by mrec
  • Very awesome. FYI Voyager(1,2) should be oriented with the big antenna dish pointed towards Earth.
    by O5vYtytb
  • Once a user travels to an object, would be cool to let the camera auto revolve the object slowly (in plane). Especially for kids that could be a cool feature especially you are chrome casting it your largest tv at home. So can leave it on for a while as screensaver
    by jharohit
  • I had to login just to upvote

    I thought it was limited to the solar system until I accidentally kept zooming out, and got my mind blown a couple of times. And again when I saw the black hole.

    This is ridiculously well made

    by bitterblotter
  • Amazing work! I've been actually working on a solar system / gravity sim for my son who has been getting a lot of enjoyment out of the PhET gravity/orbit sims, that has some overlap with your project. It's up at https://newtonsorchard.app

    I haven't put nearly as much time into my project as you've put into yours - Galaxium is really polished and impressive. Well done!

    by andrewchilds
  • It feels like an improved version of Celestia on the web, which I've wanted for a long time. The rendering is awesome!

    I like the motion blur on the stars, but it increases the brightness of each star. It would look more consistent if the brightness of a star was constant regardless of motion. I guess the brightness increase makes things look cooler when you're warping through space but it's distracting when orbiting the camera around objects.

    I think clicking to select things could be improved. Clicking on names is reliable but clicking on rendered objects seems unreliable. Sometimes clicking on a planet or star does nothing. Also my mousewheel seems quite slow to zoom, I know this is hard to tune across platforms on the web, I'm on Ubuntu 26 currently.

    I can think of about a billion features to add. Real time clouds for Earth, a bunch more satellites and spacecraft, eclipses (Google Maps web 3D view renders these, crazily enough, if you set your system clock to the appropriate time), more terrain and high res imagery, multispectral imagery/rendering, relativistic effects, realistic close-up rendering of planetary rings, solar flares and fancier star rendering, binary stars orbiting each other, procedural generation of plausible stars and solar systems with exoplanets in other galaxies or unobserved parts of our own galaxy. Really depends on where you want to take it!

    by modeless

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