[HPforGrownups] Riddle and Astronomy

[Heather Gauen]

No: HPFGUIDX 43575

Just a couple of questions-
As always, sorry if these've been brought up before ;)

First, how on earth did Tom Riddle know he was the
heir of Slytherin? His mother died right after he was
born, his father left, and he was raised in a muggle
orphanage, so presumably no one knew about this before
Hogwarts. And obviously no one *at* Hogwarts knew, or
else they would have known he was involved in the
Chmamber opening. So where did he find out?

Also, the Trio takes astronomy (mentioned in SS that
they study on Wednesdays at midnight, then mentioned
in PoA that Harry wanted a model of the galaxy so he
wouldn't have to take astronomy anymore). Doesn't it
seem odd, then, that we've never heard about anything
that happens in that class, we've never met the
teacher, and didn't even learn the teacher's name
until a later book? Why is the class so unimportant
compared to the others?

Off on a similar tangent, in SS, why are the only
teachers to put protections on the stone the teachers
that Harry has, *with the exception of Sinistra*? (I'm
not counting Binns here because he's a ghost.)
Wouldn't it have been a more effective obstacle course
if every teacher had done something, not just a select
few?  

Okay, thoughts here would be much appreciated!

Heather, who had a dream last night that I was
captured by Lord Voldemort, then he suddenly turned
into my calculus teacher. Coincidence? I think not :)

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