Answer:
1.equinox
2.mesosphere
3.91.4 million miles
4.axis(earth rotating on its axis)
5.equator
6.365 days
7.june 21(tuesday)
8.23.5 degrees
9.earth
10.its orbit
11.rotation
12.axis
13.september equinox
14.23 hours 56minutes 4.091 seconds
15.winter solstice