Aglaonice of Thessaly was an astronomer from the 2nd century BC. She had an outstanding knowledge on lunar cycles and how to predict eclipses.   

1- Read the Wikipedia entry on Aglaonice and answer the questions:

a) When and where did Aglaonice live?  

b) Where is it believed she acquired her knowledge on astronomy? Why?  

c) Why was she considered a witch?  

d) What Greek proverb refers to her skill?  

e) What are "the witches of Thessaly"?  

f) What element in the Solar Systen is named after Aglaonice?  
 
2- Astronomy terms.  

a- The word eclipse comes from the Greek ἔκλειψις. meaning "abandon, go missing". In Greek, "moon" and "sun" were  σελήνη and ἥλιος , respectively. Find derivates of these terms in your language and explain their meaning using the following model:  

b- The words planet and comet also come from Greek, from the words πλανήτης  y  κομήτης, respectively. Find out their ethymology and why they were given that name.