If light-years dictate time in a sense of looking X years in the past, why is the Big Bang theory standard if we are essentially trying to discover space at the same time as our own ocean, which we know little? Does an overlap of capability not appear apparent, and if not why?

Question

If light-years dictate time in a sense of looking X years in the past, why is the Big Bang theory standard if we are essentially trying to discover space at the same time as our own ocean, which we know little? Does an overlap of capability not appear apparent, and if not why?

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Answer 1

Light years are a measure of distance. Not time. Because of the vastness of space, the time it takes for that objects photons to hit our eyes is a measure of distance. Light travels at 9.46 trillion kilometers per year, so it’s easier to say the nearest star is about 4.35 light years, instead of however many millions of zeros are needed to get and answer of 4.35 x 9,460,000,000 kilometers. It’s a lot of zeroes.

Math and science help us put things that are vastly out of range for our minds to comprehend. From distances spanning farther than we can understand, into a number, or theory, or whatever. Time is one of these measurements. What you do with that time and how you choose to make it all make sense of it is up to you.