Luyện nghe bài hát Albedo 0. 39

Maximum from the sun, 94 million 537 thousand miles
distance from the sun, 91 million 377 thousand miles
Mean distance the sun, 92 million 957 thousand and 200 miles
Orbital velocity 66000 miles per hour
eccentricity, 0.017
Obliquity of the ecliptic, 23 degrees, 27 minutes, 8.26

Length of the tropical year, equinox to equinox, 365.24
Length of the sidereal year, fixed star to fixed star 365.26
Length of the mean day, 24 hours and 3 minutes
And 56.5555 seconds at mean solar
of the mean sidereal day 23 hours and 56 minutes
And 4.091 seconds at mean time

Mass million, million, million tons
diameter, 7927 miles
Polar diameter, 7900
Oblateness one, 298th, 5.41
Mean surface gravitational
Of the rotating earth, 32.174 per second, per second
Escape velocity, 7 per second

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