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5 votes
2 answers
796 views

What arrangement of celestial bodies would allow high and low tide to last for the longest time?

4 votes
5 answers
1k views

Life on a planet with no land near poles

3 votes
1 answer
72 views

Life on a Moon-like Earth?

8 votes
1 answer
256 views

What should an inactive planet's topography be for nutrient circulation?

7 votes
4 answers
1k views

Can Mars disintegrate entirely in this scenario?

2 votes
1 answer
71 views

Exoplanet sky with suspended ice crystals

1 vote
2 answers
67 views

Would a high iron content world have particular effects on its more common minerals/elements?

9 votes
4 answers
2k views

Would a lower gravity planet have deeper oceans and higher continents?

1 vote
2 answers
168 views

Is this an accurate environment for life on a super Earth speculatively?

4 votes
2 answers
180 views

How long can this planet hold its atmosphere?

5 votes
4 answers
263 views

Could a hypothetical planet composed of a neon-oxygen or argon-oxygen atmosphere with Earth-like pressure levels sustain life?

26 votes
10 answers
5k views

Can a habitable world rain glass?

6 votes
5 answers
559 views

How to cool a planet's core to avoid inconvenient melting during deconstruction

4 votes
1 answer
56 views

Day/night cycle and tracking celestial positions in S-type binary star system

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