天 heaven

the Mormons believe in TEN heavens.

To monotheists, there is only ONE BIG GOD in heaven. And he is a jealous god who uses his omnipotence to check up on you to make sure you aren't doing anything with other deities. If he was a boyfriend, they'd call him a stalker. I'm just saying.

weather ★★★★★
天 (heaven) + 気 (mood) = 天気 (weather)

genius ★★★★☆
天 (heaven) + 才 (skill / age) = 天才 (genius)

heaven ★★★☆☆
天 (heaven) + 国 (country) = 天国 (heaven)