WebEarth: By the Numbers Discovery Date of Discovery: Unknown Discovered By: Known by the Ancients Orbit Size Around Sun Metric: 149,598,262 km English: 92,956,050 miles Scientific Notation: 1.4959826 x 10 8 km Astronomical Units: 1.000 A.U. Mean Orbit Velocity Metric: 107,218 km/h English: 66,622 mph Scientific Notation: 2.9783 x 10 4 m/s http://lyberty.com/encyc/articles/earth.html
How Big Is Planet Earth? - WorldAtlas
WebThe lesson discusses how the following factors are important for a planet's habitability:- Star Type (so an understanding of the H-R Diagram i. Subjects: Astronomy, Earth Sciences, … WebOct 22, 2024 · The diameter of a circle is twice the radius, giving us a diameter for Earth of 12,756 km. Note: The Earth is almost, but not quite, a perfect sphere. Its equatorial radius … alightmedia.co.uk
Earth: By the Numbers - NASA
WebDec 13, 2008 · Welcome to PF. Your first equation is for escape velocity. But for escape velocity it is assumed that potential is 0 and kinetic energy is 0. So what they are really giving you is 1/2m(.758v) 2 + (-μ*m/Re) = PE at max height which is given by -μ*m/Rmax The second part wants you to recognize the difference between initial velocity and initial KE … WebThe radius of Earth at the equator is 3,963 miles (6,378 kilometers), according to NASA's Goddard Space Flight Center. However, Earth is not quite a sphere. The planet's rotation … WebFeb 4, 2024 · the radius of the earth is 3960 miles. the distance along an arc on the surface of the earth that subtends a central angle of 5 minutes (1min. =1/60 degree) is approximately ( ? ) miles. Arc/ Radius = Angle . Arc = Radius * angle . angle is in radians . 180 degree = pi radian. 180*60 min = pi radian. 1 min = pi/( 180*60 ) radian a light drizzle