Home » News & Blogs » TRAVELLING OF LIGHT
Bookmark and Share
Array Proxima

TRAVELLING OF LIGHT

10 Mar 2013, 11:44 UTC
TRAVELLING OF LIGHT
(200 words excerpt, click title or image to see full post)

Light the fastest thing in the universe ......we can never see "light in motion" or we can say light is a energy which is not in our hands in the basis of its speed here i am not talking about switchon or switch off of our house bulbs............ well the line was just a gag for laugh.....well right now above i said that we can't see light in motion but it can be seen now by new type of photography that is pfemto- photography.....well we are here to discuss..... "travelling of light"the speed of light is 300000km/s and 300000000m/swell that was something beyond our reach.....it takes around 1.3 seconds to travell the distance of moon to earth for light.and around 8.3 minutes to reach the earth from sun to earth. 5.4hours to cross the distance from sun to the last planet of the universe.a ray of light takes around 4.3 light year to travel the distance to reach the nearest star the star is "proxima centurai"what is light year?let us move on to light year .......the travelling of light in one year is known as light year.it is there fore a conveinient unit to learn the distance of space"proxima centurai" ...

Latest Vodcast

Latest Podcast

Advertise PTTU

NASA Picture of the Day

Astronomy Picture of the Day

astronomy_pod