- #1
Salvador
- 505
- 70
I was wondering what is the reason why space is so cold ? My own answer would be that because there is no matter , or almoust no matter so almoust no atoms.
then i thought but there is sun and lots of energy source which radiate EM energy on various frequencies , but since there is almoust no matter in space there is nothing in the way of the radiation to intercept it and heat up so the waves just fly by until they hit something that can absorb that radiation which is matter , like planet Earth and our atmosphere , is my thinking correct ?
so the answer i came up myself is space is cold because where there is no matter also there can't be any heat because heat is energy which is normally associated with matter.
then i thought but there is sun and lots of energy source which radiate EM energy on various frequencies , but since there is almoust no matter in space there is nothing in the way of the radiation to intercept it and heat up so the waves just fly by until they hit something that can absorb that radiation which is matter , like planet Earth and our atmosphere , is my thinking correct ?
so the answer i came up myself is space is cold because where there is no matter also there can't be any heat because heat is energy which is normally associated with matter.