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 "How Did The System Of Counting Originate?" general knowledge book English 2021 current ...
General Knowledge
What is the size of a molecule? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9,...
General Knowledge
What is a four-wheel drive? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10,...
General Knowledge
Do animals like to take hot baths? Complete General Knowledge Question and Answer for Class 6, 7, 8,...
General Knowledge
How do animals survive in the desert? Complete General Knowledge Question and Answer for Class 6, 7,...
General Knowledge
Why do boy's voices change? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10,...
General Knowledge
Who discovered radioactivity? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 1...
General Knowledge
Do you know “Youngest girl to scale Mt Everest”.
Do you know
What were the Minoan cities like? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
Do fish go to sleep? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and...
General Knowledge
What is cryptography? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 an...
General Knowledge
Which dinosaur had the largest feet? Complete General Knowledge Question and Answer for Class 6, 7, ...
General Knowledge
Do you know “Shri Chitra Art Gallery”.
Do you know
How are underground railways built? Complete General Knowledge Question and Answer for Class 6, 7, 8...
General Knowledge
GK Question "How The Coins Got Their Names?" general knowledge book English 2021 current affairs qui...
General Knowledge
How do snakes move? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and ...
General Knowledge
Why do pigs wallow in the mud? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, ...
General Knowledge
What is the riddle of the Nile? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9,...
General Knowledge
Where did goldfish come from? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 1...
General Knowledge
Where did the Romans relax? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10,...
General Knowledge