6.1.1-6.1.2 · Earth and the Solar SystemLesson 9 of 13
How long light takes to travel in space
Light from the Sun takes about 500 seconds to reach us: time = distance ÷ speed of light.
Locked
Unlock the rest of O Level Physics: Nuclear and Space Physics (5054).
- Every lesson, every resource, unlocked instantly.
- Track progress and pick up where you left off.
- Free preview lessons stay readable from the outline.