light-years

1 episode mention this concept

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Related concepts

Concepts that appear alongside light-years across episodes.

• seasonal water
• robots and rovers
• fossilized life
• human missions
• atmosphere
• intelligent life
• goldilocks zone
• organics (on mars)
• ocean worlds (moons)
• milky way galaxy
• pale blue dot
• microorganisms
• habitable planets
• carbon-based life
• extreme exploration
• exoplanets
• electromagnetic shield
• gravity (on mars)