how can one determine the volume of the sun without leaving the earth?
one can determine the volume of the sun by discovering the distance from the sun to the earth and then letting a ray of sunlight pass through a hole into a dark room. this is a technique similar to that of measuring the size of the moon at the time of the highest position of the sun.
- why does the moon shine?
- why does the monn not always shine with the same intensity?
- how can the moon reflect light?
- why does the moon sometimes shine only partially?
- when is the sun's light most strongly reflected from the earth to the moon?
- can the moon be a shiny mirror?
- why must the moon's surface be liquid?
- how does a person see the reflection of the sun in the sea?
- does the sun appear to be the same size from all points of the earth that are illuminated by it?
- when does the moon shine particulary strongly?
- does the moon also shine during the day?
- why must the moon have an uneven surface?
- why does the moon shine as a whole?
- why does the moon have a light surrounding it when the sun is setting?
- why doesn't the moon fall to the earth?
- why does the moon shine more weakly than the sun?
- does water have the shape of a sphere?
- why does the moon sometimes have a shining ring?
- why is the uneven surface of the moon composed of water?
- is the size of the moon in fact due to the expansion of light?
- what happens, when winds agitate the water of the moon?
- why does the eye see the sun as a tiny image in the sea?