Discussion on question by Mindwin: A 40km diameter alien saucer is floating 2km above the ocean for a long time. What are the effects on the sea ecosytem below?
Discussion on question by Mindwin: A 40km diameter alien saucer is floating 2km above the ocean for a long time. What are the effects on the sea ecosytem below?
Imported from a comment discussion on https://worldbuilding.stackexchange.com/questions/99987/a-40km-diameter-alien-saucer-is-floating-2km-above-the-ocean-for-a-long-time-wh
| first message | 2017-12-18 |
| last message | 2767 days ago |
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