Here's why:
* Inverse Square Law: The brightness of light decreases with the square of the distance. This means if you double the distance, the light is four times fainter.
* Pluto's Distance: Pluto is about 40 times further from the Sun than Earth.
* Brightness Calculation: Using the inverse square law, the Sun would appear roughly 40² = 1600 times fainter from Pluto compared to Earth.
Therefore, the Sun would appear about 1600 times fainter from Pluto, not more than a thousand times fainter.
It's still a significant difference in brightness! The Sun would look like a very bright star from Pluto, but nowhere near as intense as it does from Earth.