|
Size: 1851
Comment:
|
Size: 1861
Comment:
|
| Deletions are marked like this. | Additions are marked like this. |
| Line 16: | Line 16: |
| || Triton || 2.14e22 || 4.4 || 1.5 || 38 || H₂O and rock || | || Triton || 2.14e22 || 4.4 || 1.5 || 38 || H₂O and rock || |
Stady Materials
Materials in solar system for Stapledon-Dyson Static-Dynamic 50 AU Shell, 60K
Source Planets and Moons
|
Velocity km/s |
||||
Object |
Mass kg |
Orbit |
Escape |
Temp K |
Composition |
Mercury |
3.30e23 |
47.4 |
4.25 |
85-700 |
iron core, silicate mantle |
Venus |
4.87e24 |
35.0 |
10.4 |
737 |
? |
Asteroids |
3.xxe19 |
16-20 |
< 0.51 |
85-270 |
some iron, silicates |
Saturn |
5.68e26 |
9.7 |
35.5 |
84-134 |
H, He, some core rock |
Titan |
1.34e23 |
5.6 |
2.6 |
94 |
H₂O and rock |
Uranus |
8.68e25 |
6.8 |
21.3 |
47-76 |
H, He, 2.3% methane |
Neptune |
1.02e26 |
5.4 |
23.5 |
55-72 |
H, He, trace methane |
|| Triton || 2.14e22 || 4.4 || 1.5 || 38 || H₂O and rock ||
Abundance
Element |
ppm by weight |
Oxygen |
10,000 |
Carbon |
4,600 |
Iron |
1,000 |
Silicon |
650 |
Resistivity
https://en.wikipedia.org/wiki/Electrical_resistivity_and_conductivity
http://www.bnl.gov/magnets/Staff/Gupta/cryogenic-data-handbook/Section10.pdf
Element |
e-8 Ω-m, imprecise estimates |
Graph |
||||
|
300 K |
TC /K |
≃ 80 K |
73 K |
53 K |
60 K |
Silver |
1.6 |
|
0.33 |
0.28 |
0.15 |
0.19 |
Copper |
1.7 |
0.004 |
|
|
|
0.11 |
Aluminum |
2.8 |
0.004 |
0.28 |
0.33 |
0.20 |
0.22 |
Iron |
10.0 |
0.005 |
0.74 |
0.62 |
0.27 |
0.35 |