NEED HELP WITH AST 101 ASSIGN #2

[gabbie]

need help with this assignment, need hints or even partial solutions ?
1)d)i) & ii) & iii) & iv) ??
1)e)ii)
2)a) how would it affect it ?
2)b) no clue how to do iii)

[1.8T]

i'm doing this assignment too., just started.,., a question though, wuts the diff between
orbital (sidereal) period in days or years
and
sidereal rotation period in days?


anyways., when i'm done i'll answer the q's u had,.., or u can icq me or something.,.,.,  

EDIT: nevermind.,,. found it in the txtbook.,.,