1 Αστρονομική μονάδα είναι η μέση απόσταση Γής-Ήλιου περίπου 150.000.000 χλμ.
Κώστας Π
14 έτη πριν
θα πρέπει να προσθέσω ότι είναι η μέση απόσταση γιατί η κίνηση της γης γύρω απο τον ήλιο δεν είναι κυκλική άλλα ελλειπτική και επομένως δεν υπάρχει σταθερή απόσταση μεταξύ των δύο ουράνιων σωμάτων.
Σωστός…και ακόμα ακριβέστερα…η μέση απόσταση απο το επίπεδο της ελλειπτικής τροχιάς. 😉
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1 Αστρονομική μονάδα είναι η μέση απόσταση Γής-Ήλιου περίπου 150.000.000 χλμ.
θα πρέπει να προσθέσω ότι είναι η μέση απόσταση γιατί η κίνηση της γης γύρω απο τον ήλιο δεν είναι κυκλική άλλα ελλειπτική και επομένως δεν υπάρχει σταθερή απόσταση μεταξύ των δύο ουράνιων σωμάτων.
Σωστός…και ακόμα ακριβέστερα…η μέση απόσταση απο το επίπεδο της ελλειπτικής τροχιάς. 😉