Considering the triangle AGV below (with AGE being a right angle), we have:
Figure 10
Now, and finally, we have the distance between Earth and Venus. To calculate the distance between the Earth and the Sun,
Now, you can try to calculate the
The result, GS, will be the distance from the Earth to Sun!
Astronomical Unit with actual numbers:
- Distance between the cities = 4477 km (between Anchorage and Honolulu) - 16 arcseconds of parallax shift of Venus(angle B’EA’ in Fig. 6)
First we calculate the angle SVA’ (which equals to angle AVG) in Fig. 10.
With the angle and the distance through earth between the two cities, we can now calculate the distance from Venus from Earth :
At last, we can use Kepler’s Third Law which tells us the relative distances between planets in the Solar System :
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