un:solar-system
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| The Sun's solar wind, however, cannot reach the Oort cloud, the boundary where it stops due to the pressure of the interstellar wind after crossing the Kuiper Belt is called the heliopause. Just before the heliopause, the collision of the solar and stellar winds creates a bow shock as the Sun moves around the center of the Milky Way, shown in the lower left corner of the figure above. This is the extent of our **heliosphere**. | The Sun's solar wind, however, cannot reach the Oort cloud, the boundary where it stops due to the pressure of the interstellar wind after crossing the Kuiper Belt is called the heliopause. Just before the heliopause, the collision of the solar and stellar winds creates a bow shock as the Sun moves around the center of the Milky Way, shown in the lower left corner of the figure above. This is the extent of our **heliosphere**. | ||
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| + | ===== - Planets ===== | ||
| + | Distance from the sun is in astronomical unit (AU), mass is in $10^{24}$ kg, density in g cm$^{-3}$, and the temperatures ($T$) in kelvin (K). | ||
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| + | ^ Name ^ Distance ^ Moons ^ Mass ^ Density ^ Observed $T$ ^ Predicted $T$ ^ | ||
| + | | Mercury | 0.39 | 0 | 0.33 | 5.4 | 100--725 | 451 | | ||
| + | | Venus | 0.72 | 0 | 4.87 | 5.2 | 733 | 260 | | ||
| + | | Earth | 1.00 | 1 | 5.97 | 5.5 | 288 | 255 | | ||
| + | | Mars | 1.52 | 2 | 0.64 | 3.9 | 215 | 222 | | ||
| + | | Jupiter | 5.20 | 63 | 1898.6 | 1.3 | 124 | 104 | | ||
| + | | Saturn | 9.54 | 56 | 568.5 | 0.69 | 95 | 79 | | ||
| + | | Uranus | 19.2 | 27 | 86.8 | 1.32 | 59 | 58 | | ||
| + | | Neptune | 30.1 | 13 | 102.4 | 1.64 | 59 | 55 | | ||
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