Science

How many years does it take for light from the Sun to reach Pluto?

0.0055

Background

Sunlight reaches Pluto in about 0.0055 years. That works out to around five and a half hours. Pluto is on average almost six billion kilometers from the Sun. Light to Earth, by comparison, takes only eight minutes.

More Science questions

How many bones are in the human body?

See question

How many layers does the Earth’s atmosphere have?

See question

How many chromosomes do humans have?

See question

How many moons does Mars have?

See question

How many teeth does an adult human typically have?

See question

How many electrons are in a neutral helium atom?

See question

Ready to estimate?

Over 1,200 questions, 9 categories, one click.