Making Informed Decisions. With so many options available, selecting the healthiest fast food kidsâ. meal can be difficult. Based on our research findings, listed below are the. most nutritious options available at each restaurant and how substitutions. in the meal affect calories. Use this as a reference guide to make informed.
Size, Mass, and Orbit: With a mean radius of 6371 km and a mass of 5.97Ã1024 kg, Earth is the fifth largest and fifth most-massive planet in the Solar System. In essence, it is the largest terrestrial planet, but is smaller and less massive than any of the gas/ice giants of the Outer Solar System.
The average radius of the Earth is 3,959 miles. The equitorial diameter of the Earth is about 7,926 miles. The ratio of the circumference to the diameter of a circle is wrâ¦itten as the symbol pi. Pi is approximately 3.141592.