Who discovered the light year?
Danish astronomer, Olaus Roemer discovered the light year in 1676. Light travels a distance of 5, 880,000,000 miles in a year. This is called a light year. Light travels at a speed of 186, 284 miles per second. Light year is the unit used by astronomers to measure distances in outer space.
Related posts:
GK Question "What Lead To The Discovery Of Fire" general knowledge book English 2021 current affairs...
General Knowledge
What is cataract of the eye? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10...
General Knowledge
Why do hot air balloons rise up? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9...
General Knowledge
What is the Dead Sea? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 an...
General Knowledge
Why do boy's voices change? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10,...
General Knowledge
What are catacombs? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and ...
General Knowledge
When did people first use full stops and commas? Complete General Knowledge Question and Answer for ...
General Knowledge
GK Question "Why Is It That, Mammals Hibernate?" general knowledge book English 2021 current affairs...
General Knowledge
What is a toucan? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12...
General Knowledge
What is half-life? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
What is a wire bridge? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 a...
General Knowledge
Why did dinosaurs swallow stones? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
Did meteors kill dinosaurs? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10,...
General Knowledge
Why is the internet like a web? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9,...
General Knowledge
When was the first official airmail flight service commenced? Name the nations.
1st in the World
Do you know “Crystal lingams of Ranbireshwar temple".
Do you know
How did baby kangaroos get the name, 'Joey'?Complete General Knowledge Question and Answer for Class...
General Knowledge
Do you know “Asia's largest mandi”.
Do you know
Who was the first astronaut? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10...
General Knowledge
GK Question "What Is The Speed Of Sound?" general knowledge book English 2021 current affairs quiz a...
General Knowledge
