Light Brings Us the Past
SpaceAges 6โ€“8

Light Brings Us the Past

Light takes time to travel, so looking far away means looking back. Find out why we see the Sun with a delay, what a light-year measures, and how two stars side by side can show us light from different years.

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Light Brings Us the Past
SpaceAges 6โ€“8

Light Brings Us the Past

0 of 2 done0%

Light takes time to travel, so looking far away means looking back. Find out why we see the Sun with a delay, what a light-year measures, and how two stars side by side can show us light from different years.

Episodes

2 episodes ยท 5:15 total
Why do pictures from Mars take so long to get to us?
Why do pictures from Mars take so long to get to us?2:43272:4327
Is the starlight we see really old?
Is the starlight we see really old?2:32262:3226
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Start listening ยท Episode 1 ยท 2:43