Question

What happen when sun disappears suddenly ?

Answer 1

there would be no light for us . And all the orbital system of the planets will fail and all the planets of our solar system will fall down . there will be no heat and the temperature would be shown is - be celsius.

Answer 2

First of all , this is impossible.
Sun is not only a star, it's a system , in which planet , satellite , asteroid etc move around it . If sun dispear whole system will be dispear , then our earth will be dispear . Then you can understand how will you appear in nature.

You can feel Importance of sun, in RAINY days .
Sun is vital source of energy , if you know without sun rays plants can't do photosynthesis { food } , without this process , plants will be die . And also you know we wholly depends upon plants , without plants we will be die.

Modern technology : solar light , solar cooker , etc can't use without sun .

India is famous for its season "Mansion" , rainy season, winter etc we can't think about it.

In rays sufficient amount of " Vitamin D ". And you know vitamin D do strong our bones .

And one more thing after dispearing of sun , we will get night 24 hours .
So, SUN is dispearing of sun is not good in our life ,and our solar system