Mercury Profile
Mass (kg): 3.3 x 1023
Diameter (km): 4879.4
Mean density (kg/m3): 5420
Escape velocity (m/s): 4300
Average distance from Sun: 0.387 AU* (57,909,175 km)
Rotation period (length of day in Earth days): 58.65
Revolution period (length of year in Earth days): 87.97
Obliquity (tilt of axis degrees): 0
Orbit inclination (degrees): 7
Orbit eccentricity (deviation from circular): 0.206
Mean surface temperature (K): 452
Maximum surface temperature (K): 700
Minimum surface temperature (K): 100
Visual geometric albedo (reflectivity): 0.12
Largest known surface feature: Caloris Basin (1350 km diameter)
Atmospheric components: trace amounts of hydrogen and helium
Surface materials : basaltic and anorthositic rocks and regolith
Note: * 1 Astronomical Unit (AU)= 149,597,871 km
it said that the wigt is 0.34
pluto should be a planet
HOW MANY MOONS R THERE??
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need little more info on every thing
It’s there.
whers the distans from sun
need more info
its a good website but it need more facts about mercury because i need to do a school project on it and i need more facts !
Need more Facts Hehe
This is Kool
That’s why I love it!
It’s too informative!
this is cool
this is a awsome way for us kids to learn whoever
put this website is the real deal sincearly brianna myst6ery last name ?
The page before this said i would be amazed at the facts that i read about the planets. And im not amazed with the information i got off this page. this is not very helpful at all.
mii too need more facts
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need more favts