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There is no answer to that. A light year is a measure of distance, not time. It is the distance light travels in one year, so it has nothing to do with dates. It is like asking what is today's date in miles.
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When did Regulus first give off light?
Regulus first gave off light 77.5 years ago...which from today 2012, it would be around 1935. But this is not accurate.
Which year did regulus give off light you see when look at the star today?
Regulus or Alpha Leonis is approximately 77 light years away. Light reaching Earth in 2010 would have left Regulus in 1933.
Interpret the following Astronomy is the science of looking into the past?
Most observed stars and galaxies lie many many light years away from Earth. As a result, say for a star that is 5 light years away from Earth, the light we see coming from that star today or tonight was actually emitted 5 years ago from that star. Now imagine a star thousands of light years away, the light that we observe took thousands of years to travel to Earth and therefore carry an image thousands of year old.
Is sun a fossil fuel?
NO, The sun shines today and hopefully tomorrow and brings warmth and light as it did to the dinosaurs millions of years ago that since has been converted to the crude oil we recover today.
Would it be possible to see the star Betelgeuse even if that star had died hundreds of years ago?
When we look at stars, we are seeing the light that they are emitting. That light could have left them many years ago. The light from Betelgeuse takes over 640 years to reach us. So if it exploded today, we would not see that explosion for over 640 years. So it is possible that it is already gone, but the light that left before it went is still coming towards us.
How old is Canada today?
Canada is officially 145 years old today; which is July 1st, 2012!
Is it grammatically correct to say todays?
The word todays is the plural form for the noun today. Example sentence: All of our todays are now yesterdays. The possessive form is today's. Example sentences: Today's plan is for lunch and a movie. Today's date is the twentieth.
What is Yesterday Todays tomorrows?
Today !!
What is day is it if todays tomorrow?
Today
When is todays yesterdays tomorrow?
today
What is Punjabi date today?
todays date
What is date today of Punjabi?
todays date
What is the date of Punjabi today?
todays date
Compare the products today with those ten yrs ago?
todays product is high tech compare to the other ten years ago
What was todays temperature?
the temperature today is 22 degrease
Is New Years day today?
For some people in other states and countries, it is, but in Canada, it's on the 1st.
If you were born in December 1978 how old would you be today?
As of todays date July 17th 2011. You would be 32 years old
