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The Universe Table — A Periodic Table for Astronomy
Galaxy
Name
Mass of Galaxy Center ( ×10
30
kg)
Star
Name
Mass ( ×10
30
kg)
Distance ( ×10
10
km)
Velocity (km/s)
Period (years)
Gravity (m/s
2
)
Radius (km)
Density (kg/m
3
)
Planet
Name
Mass ( ×10
20
kg)
Distance ( ×10
10
km)
Velocity (km/s)
Period (days)
Gravity (m/s
2
)
Radius (km)
Density (g/cm
3
)
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