/ 4 
/ 2 
| Astronomical Constants | ||||||
|---|---|---|---|---|---|---|
| Radius of the Moon | R |
= | 1.74 × 10 |
cm | = | R / 4 |
| Radius of Mars | R |
= | 3.40 × 10 |
cm | = | R / 2 |
| Radius of the Earth | R |
= | 6.37 × 10 |
cm | ||
| Radius of Jupiter | R |
= | 7.14 × 10 |
cm | = | 10 × R |
| Radius of the Sun | R |
= | 6.96 × 10 |
cm | = | 100 × R |
| Astronomical Unit | AU | = | 1.50 × 10 |
cm | = | 200 × R |
| Parsec | pc | = | 3.09 × 10 |
cm | = | 3.26 light-years |
| Light-year | ly | = | 9.46 × 10 |
cm | ||
| Earth mass | M |
= | 5.98 × 10 |
gm | ||
| Solar mass | M |
= | 1.99 × 10 |
gm | ||
| Solar luminosity | L |
= | 3.90 × 10 |
erg s | ||
| Solar temperature | T |
= | 5.78 × 10 |
K | ||
| Density of water | |
= | 1 | gm cm | ||
| Density of rock | |
= | 3 | gm cm | ||
| Density of steel | |
= | 8 | gm cm | ||
Astronomical Calculator (constants built in)