Question
did the sacrifice on the day of atonement pay for the sins of the next year or how did it work In Leviticus 16 :7-10 there were two goats 1 for the Lord and the other was the scape goat what were the two different type of scrafices made by these goats as far as sin in concerned was 1 for present and other for future or 1 for past and other for future please explain why there were 2 goats in this part of the atonment

Question
According to those poskim who allow learning Torah on shabbos erev tisha b’av even after chatzos, would they allow learning torah even after sunset, or would this be forbidden even according to them because tisha b’av begins at sunset.