h0phead·10 ปีที่แล้ว·discussQuestion about #1: Where did the photons originate though? Did the Andromeda Galaxy create its own, or were these bounced off and we see (basically) the reflection?
h0phead·11 ปีที่แล้ว·discussWhich language though? Coming from someone who knows a bit but doesn't work in the field.