Monday, June 18, 2012

LIGHT SPEED

  HOW FAST IS LIGHT SPEED LAST I HEARD IT WAS 186,000 MILES PER SECOND OR 669,000,000 MILES PER MIN.. THAT MEANS IT TAKES ABOUT 8 MINUTES FOR LIGHT FROM THE SUN TO REACH EARTH,  WHICH IS APPROXIMATELY 93,000,000 AWAY. LETS NOW FIGURE JUST HOW FAR IS A LIGHT YEAR , I KNOW YOU HAVE HEARD OF THE TERM BEFORE. WE SO FAR HAVE BROKEN IT DOWN TO AN HOUR AT 669,000,000 MPH NOW MULTIPLY THAT BY 24 AND GET THIS NUMBER 16,056,000,000 MILES IN A DAY. NOW TO GET HOW FAR LIGHT TRAVELS IN A YEAR WE HAVE TO MULTIPLY THIS HUGE NUMBER BY 365 DAYS OR 1 YEAR. THE FINAL PRODUCT IS 5,859,440,000,000 (5 TRILLION, 859 BILLION, 440 MILLION GIVE OR TAKE A FEW MILES) THIS IS THE DISTANCE LIGHT TRAVELS IN A YEAR. AND WE CALL IT A "LIGHT YEAR" NOW YOU CAN FIGURE HOW FAR OTHER STARS AND GALAXY'S ARE IF ITS 1,000 LIGHT YEARS AWAY JUST ADD 3 ZERO'S AFTER THAT LAST NUMBER. MAKES THE MIND HURT JUST THINKING HOW FAR THAT IS. QUESTION: HOW CAN WE GET TO ANOTHER PLANET OUTSIDE OUR SOLAR SYSTEM IF ITS 30 OR MORE LIGHT YEARS AWAY.? THE ANSWER WILL ASTOUND YOU I'LL TRY TO GIVE YOU MY BEST GUESS NEXT BLOG, WHATS YOUR ANSWER?


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