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 The Days Of The Week Were Named?" general knowledge book English 2021 current affai...
General Knowledge
What is pitch? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 St...
General Knowledge
Do you know “Paintings sold for Rs. 10 crores”.
Do you know
Updated List of Top 10 rich person in the world.
General Knowledge
Are there mountains under the sea? Complete General Knowledge Question and Answer for Class 6, 7, 8,...
General Knowledge
Which snake writes in the sand? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9,...
General Knowledge
Why is Mars called the 'red planet'? Complete General Knowledge Question and Answer for Class 6, 7, ...
General Knowledge
What were the Minoan cities like? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
What were the laws introduced by Hammurabi? Complete General Knowledge Question and Answer for Class...
General Knowledge
How do bats rest? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12...
General Knowledge
GK Question "What Is The Composition Of Our Finger Nails?" general knowledge book English 2021 curre...
General Knowledge
What are yin and yang?Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 an...
General Knowledge
Do you know “Great women scientists”.
Do you know
What causes the 'pop' in soda pop? Complete General Knowledge Question and Answer for Class 6, 7, 8,...
General Knowledge
When were the first permanent buildings built? Complete General Knowledge Question and Answer for Cl...
General Knowledge
GK Question "Tell Me About Milky Way" general knowledge book English 2021 current affairs quiz and a...
General Knowledge
Do you know “First woman Anglican bishop of India”.
Do you know
What is a cyclone? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
GK Question "When Did The People Start A Hair Cut?" general knowledge book English 2021 current affa...
General Knowledge
Do you know "Pune supercomputers among world's fastest"?
General Knowledge
