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:
What is inertia? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12 ...
General Knowledge
Which was the first nation in the world to legalize abortion by law?
1st in the World
What is Wall Street? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and...
General Knowledge
How many kinds of apples are there? Complete General Knowledge Question and Answer for Class 6, 7, 8...
General Knowledge
What causes a reflex? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 an...
General Knowledge
Were there surgeries in ancient times? Complete General Knowledge Question and Answer for Class 6, 7...
General Knowledge
GK Question "When And How Did The Custom Of Kissing Start?" general knowledge book English 2021 curr...
General Knowledge
GK Question "How Did The Art Of Fingerprinting Start?" general knowledge book English 2021 current a...
General Knowledge
GK Question "What Do You Know About The Brightest Star?" general knowledge book English 2021 current...
General Knowledge
When did mammoths become extinct? Complete General Knowledge Question and Answer for Class 6, 7, 8, ...
General Knowledge
What is the pulse? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 1...
General Knowledge
GK Question "How The Fluorescent I Lights Work?" general knowledge book English 2021 current affairs...
General Knowledge
Do you know “Dua's layer”.
Do you know
GK Question "How Dewis Formed?" general knowledge book English 2021 current affairs quiz and answers...
General Knowledge
When did puppet shows originate? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9...
General Knowledge
Does the moon have seas? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11...
General Knowledge
How did restaurants originate? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, ...
General Knowledge
Do you know “The world's biggest school”.
Do you know
How is rope made? Complete General Knowledge Question and Answer for Class 6, 7, 8, 9, 10, 11 and 12...
General Knowledge
What is the advantage offered by electromagnets? Complete General Knowledge Question and Answer for ...
General Knowledge
