How much closer to The Sun would we have to be for it to appear 7 times brighter? How would that affect us

1 Answer
Feb 18, 2018

It can be easily calculated by the Inverse Square Law
The distance of the Sun would be 0.02040816326.

Explanation:

LET , the amount of the energy of the sun reaching the earth be
= 1 solar constant

Distance between the sun and the earth:- 149,597,870.66 km
This is equal to 1 astronomical unit or AU.

the relationship can be expressed as

#1/d^2#

where d= distance as compared to the earth from the sun.

For example ,

At 1 AU the earth receives 1 unit of sunlight.

The distance from the sun to the spacecraft would be 2 AU where we get "d" as being the value of 2

Putting the value of "d" we can calculate...

Now for the next part, This would probably have an adverse effect over humans:-

  1. We would likely receive more amount of energy which would make the heat more increased in the surface of the earth.This would result in the warming up of the water bodies and soon there would be no liquid form of water for the humans to drink.

2.The rate of global warming would also increase and this would probably make the temperature to rise much higher and this would make the survival of the humans rather difficult.

3.The radiations of the solar winds would be high making the magnetic field lose its strength so making life to become impossible.