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How big is our Earth?

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Did you know you can use an inexpensive webcam to capture images of planets and other objects in the night sky?

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What's Light Year?
 

Mercury is the closest planet to the Sun and is the second smallest planet.


info stats facts observing probes images

  Marcury Statistics
 
Length of Year: 88 Earth days
Length of Day 58.65 Earth days
Diameter 4,878 km (3,031 mi) 0.383 x Earths
Mass 3.30 x 1023 kg 0.055 x Earths
Orbit 57,910,000 km 0.38 AU
Mean orbital velocity 48 km/s (30 mi/s) 1.607 x Earths
Average Day temperature 400° C / 752 ° F
Average Night temperature -170° C / -274 ° F
Moons 0
Gravity 3.70 m/s2 0.378 x Earths
   
Atmosphere 42% Oxygen, 29% Sodium, and 22% Hydrogen
   
  Check out these facts about the planet Mercury
   
  What would your weight be on Mercury
   
   
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