Aglaonice of Thessaly was one of the most powerful "witches of Thessaly", who was known by the nickname of "the one who makes the moon disappear", since she could predict with her studies when an eclipse was going to take place from Babylonian tablets and the observation of astral movements.
In the following activity we will work on the different types of eclipses.
a) Explain what an eclipse is
b) What phase is the Moon in during an eclipse of the Sun?
c) What phase is the Moon in during a lunar eclipse?
d) Why does a lunar eclipse not occur at every full moon? Justify your answer.