2006-10-22 07:35:57 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology
For PLUTO
Mass: 1.27 X 1022 kg (0.0021 Earths)
Radius (equatorial): 1137 km
Mean density: 2.05 g cm-3
Distance from Sun: 5 913 520 000 km
Rotational period: 6.387 days
Orbital period: 248.54 years
Escape velocity: 1.22 km s-1
Apparent magnitude: 15.1
Surface temperature: -215°C
Atmospheric composition: methane and nitrogen (~0.3%)
Number of satellites: 1 (Charon)
For EARTH
Mass: 5.976 X 1024 kg (1 Earth)
Radius (equatorial): 6378 km
Mean density: 5.515 g cm-3
Distance from Sun: 149 600 000 km
Rotational period: 0.99727 days
Orbital period: 365.256 days
Escape velocity: 11.18 km s-1
Surface temperature: 15°C (mean)
Atmospheric composition: nitrogen (77%), oxygen (21%), other (2%)
2006-10-22 07:52:55 · answer #1 · answered by Ritz 1 · 0⤊ 0⤋
About 1/400 as much as Earth.
2006-10-22 08:06:33 · answer #2 · answered by Nomadd 7 · 0⤊ 0⤋
Pluto = 0.003% of Earth's mass
Earth's mass = 6.587 x 10 to the 21st power in tons
2006-10-22 07:42:46 · answer #3 · answered by half.noob 2 · 0⤊ 1⤋
Pluto is smaller than our moon....hope this helps
2006-10-22 07:37:52 · answer #4 · answered by scootda2nd 2 · 0⤊ 1⤋