---
title: "Scientist detected the gravitational wave but how they come to know that it was of 1.3 billion light years?"  
description: "Scientist detected the gravitational wave but how they come to know that it was of 1.3 billion light years?"  
author: "Ronan Jone"  
published: 2018-03-09  
canonical: https://answers.mindstick.com/qa/37698/scientist-detected-the-gravitational-wave-but-how-they-come-to-know-that-it-was-of-1-3-billion-light-years  
category: "science"  
tags: ["gravity"]  
reading_time: 1 minute  

---

# Scientist detected the gravitational wave but how they come to know that it was of 1.3 billion light years?

Scientist detected the gravitational wave but how they come to know that it was of 1.3 billion [light](https://www.mindstick.com/news/1842/daylight-reproduces-more-accurately-by-the-leds-smart-lighting-system-based-on-quantum-dots) years?

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Original Source: https://answers.mindstick.com/qa/37698/scientist-detected-the-gravitational-wave-but-how-they-come-to-know-that-it-was-of-1-3-billion-light-years

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