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Size: 824
Comment:
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Size: 824
Comment:
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| Deletions are marked like this. | Additions are marked like this. |
| Line 17: | Line 17: |
| ||<-4>insolation (diameter/distance)^2 || 0.12 || | ||<-4>total insolation (diameter/distance)^2 || 0.12 || |
Mars
- Pro: Because it's there.
- Con: Very little there.
- Con: Hellishly expensive to get there.
- Con: Nothing leaves (so far).
Very Little There |
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|
units |
Earth |
Mars |
Ratio |
Distance (avg) |
AU |
1.0 |
1.52 |
1.52 |
diameter (avg) |
km |
6371 |
3290 |
0.52 |
Resources |
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atmosphere mass |
kg |
5.2e18 |
2.5e16 |
0.005 |
water mass |
kg |
1.4e21 |
5e18 |
0.004 |
note: Mars "water" mass may be smectite clay |
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|
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total insolation (diameter/distance)^2 |
0.12 |
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lethal perchlorates |
not yet |
yes |
|
|