How many years would an airliner take to fly to the nearest star?

How close can you get? Make your own guess and earn points before you look at the answer.

Guess it yourself and earn points

Show the answer and the reasoning

The answer

5.1 million years

More than 5 million years to our nearest neighbour.

How to get there

1. 4.24 × 9.46 trillion km ÷ 900 km/h ÷ 8,766 h = 5.1 million

Source: Distance to Proxima Centauri: 4.24 light years

More estimation questions

A tap drips once per second. How many litres are lost in a year?How many Earths would fit inside the Sun?How many years of video are uploaded to YouTube every day?How many Google searches happen every second?How many cups of tea do the British drink in a day?

Diese Frage auf Deutsch

Pixcess is the free estimation game without ads. How Pixcess works