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Celestia - 3D Planetarium Simulator

Your rating: None Average: 4.5 (4 votes)
Year released:
[www].se [ftp].se [mirror].us (147.47 MB)
For Mac OS X
[www].se [ftp].se [mirror].us (50.76 MB)
For Mac OS X
[www].se [ftp].se [mirror].us
celestia-osx-1.6.0.dmg (38.54 MB)
For Mac OS X
[www].se [ftp].se [mirror].us
celestia-osx-1.4.1.dmg (17.85 MB)
For Mac OS X
[www].se [ftp].se [mirror].us (10.87 MB)
For Mac OS X
This app works with: QEMU

Celestia is a spectacular OpenGL-based 3D Planetarium/Space visualizer.

Download #1 features the latest version (as of early August 2019), 1.6.1, said to be compatible with 10.3.9 Panther and later. Tested and confirmed to work at least with Tiger.
Download #2 features the source code of version 1.6.1.
Download #3 features version 1.6.
Download #4 features version 1.4.1. Supposed to work with both 10.3 Panther and 10.2 Jaguar. First Universal Binary version officially.
Download #5 features version 1.2.2 (PowerPC only).

Regarding version 1.4.1:
While this version is early, and occasionally crashes, it is still a real show-piece for your old Mac and makes an excellent educational resource for students and science buffs.

Does not merely display the planets and their moons, but can also show tours of the solar-system and the paths of various spacecrafts like the Voyager missions.

There's a folder contained inside called CelestiaResources (inside a directory on the image named Add to ~/Application Support ) that must be added to provide texturing to planets, as well as 3d models for satellites and motion tours.

For faster systems, you can fetch and add new 3D Models, Tours and Hi-Rez textures as they are newly acquired from NASA at

There's a pretty remarkable community of users, constantly adding content.

Architecture: PPC x86 (Intel:Mac)

v1.2.2 - Mac OS X up to 10.6.8 Snow Leopard
v1.4.1 - Mac OS X 10.2 Jaguar+
v1.6 & v1.6.1 - Mac OS X 10.3.9 Panther+ (according to documentation). Confirmed to work with at least Tiger. Universal binary.


SkyCapt's picture
by SkyCapt - 2018, May 26 - 1:16am

I left the milky way and was whooshing from galaxy to galaxy. The milky way has changed in appearance from old to new versions, first looking like a spiral with a roundish core, now a spiral with a "bar" core.

Maximum R.I.S.C.'s picture
by Maximum R.I.S.C. - 2018, May 25 - 3:25pm

It's a bit less polished/stable than Stellarium, but the User-Modding ability is really unlike anything else out there.

MacTouch's picture
by MacTouch - 2018, May 25 - 11:43am

This one is really good. You can have a trip over the milky way at different speed & see the distance between stars. There is a lot of options & you can play also with a joystick... Smile