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Radius of Earth
6 371 km
Radius of Sun
700 000 km
Radius of Moon
1 700 km
Light Year
The distance light travel in one earth year. 300 000 km/s , 10e13 km
Astronomical Unit
1.50×10e8 km — the distacne between earth and the sun
Blue colours in space =
High temperature objects
Orange colours in space =
low temperature objects
Coordinates of the city of calgary
114 W 52 *N
Longitude
Distance away from the prime meridian measured in degrees
Latitude
Distance from the equator measured in degrees north or south.