Geographical riddle

[sohkahn]

I am the first on eart, the second in heaven, I appear two times in a week, you can only see me once in a year although i am in the middle of the sea, what am I?

[jackthehat]

'e'

[Baldric]

'E'
da^^n, you beat me to it jth

[Celticv11]

E

[Old_Geezer]

That reminds me, did you hear that they have a drug problem in Yorkshire, with folk injecting Ecstasy directly into the mouth ? They call if "e by gum".