I would say A or C but I would go with A and if not go with C but I'm
NOT a 100% sure.
Calligraphy is a very decorative/delicate form of writing, so you answer is C. A type of writing.
I hope this helps!
Answer:
If you are saying not on earth, are you talking about other planets or can it be stars because stars are extremely hot with white being the hottest and red being the coolest.