AstroLab
Galaxies in depth
Disks, bulges and arms: changing viewpoint reveals galactic structure beyond the silhouette.
50 s · Interactive subtitled film
Takeaway: Disks, central bulges and arms form galaxies with varied shapes.
Useful background
None; shapes are compared visually.
What does a shift of light towards red mean?
The journey · 2 chapters
- A disk in space
- Different structures
Why explore it?
French and English subtitles. Adjustable playback speed, free navigation and sequence reframing. AI-assisted editorial review.