Albedo effect

Question 1

When light hits the earth’s atmosphere

Answer 1

26% is reflected and scattered due to the atmosphere
19% is absorbed by the atmosphere
Only 55% reaches the earth

Question 2

Albedo

Answer 2

refers to the fraction of solar energy reflected from the earth back into space
Ranges from 0 (no reflection) to 1 (100% reflection)

Question 3

How colours affect albedo

Answer 3

Darker-coloured objects have lower albedo – they absorb more light and heat than light-coloured objects

Question 4

Terrestrial radiation

Answer 4

Refers to when the earth releases heat and radiation into the atmosphere and then gets released into space