Question

18. Describe the sun.​

Answer 1

Explanation:

It is a yellow dwarf star. It gives off energy as light. That includes light, infra-red energy (heat), ultraviolet light and radio waves. It also gives off a stream of particles, which reaches Earth as "solar wind".

Mean distance from Earth: 1 au ≈ 1.496×108 km; 8 min 19 s at light speed

Mean distance from Milky Way core: ≈ 2.7×1017 km; 27,200 light-years

Mean radiance (Isol): 2.009×107 W·m−2·sr−1

Answer 2

Answer:

San is a type of source energy. it keeps us warm also it gives us vitamin d it is very essential for our health . it helps to let the clothes be dry or other things.