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A year is a unit of time that is roughly equal to the time it takes the Earth to make one complete circuit around the sun, which is 365 days, 5 hours, 49 minutes, and 12 seconds of mean solar time.
But a light-year is not a unit of time; it is a unit of distance. It is equal to the distance traveled by light through a vacuum in one year, which is about 9.5 trillion (9.5E12) kilometers or 5.9 trillion (5.9E12) miles.
See also Astronomical Units.
What else can I help you with?
What term would mean 1 billion years?
We'd probably use the term 1 gigayear to mean 1 billion years (in the U.S.). The prefix "giga" means 1,000,000,000 or, if you prefer, 106 units of something. The gigayear is a billion years, just the the gigaHertz is a billion Hertz (or cycles per second). Also note that we use a "big" G to represent giga. A Gyear is a gigayear or a billion years.Many consider an Eon to be a billion years
How many years is in one eon?
Well, darling, an eon is a long freaking time. We're talking about a billion years, give or take a few million. So, if you're looking to plan your schedule around an eon, you might want to clear your calendar for a while.
How long has Jupiter been a planet?
4.5 billion years, like the rest of the solar system
How old is the moon Deimos?
Deimos, one of Mars' moons, is estimated to be around 1.5 billion years old.
Is the earth 4.5 American billion years old or 4.5 English billion years old?
Though it pains me to admit it, the American definition of a billion - ie; one thousand million or 1,000,000,000 - is considered to be the 'correct' definition, as the British definition - ie; one million million or 1,000,000,000,000 - is not in line with our ten-based counting system.As such, scientists tend to favour the American definition, and it can be assumed that whenever you read the word billion in a scientific or technical text, it refers to that one.
How long would it take to count to twelve billion if you counted one every second?
About 380 years & 6months.
How long in years is 1 billion minutes?
One billion minutes = ~1,901.3 years.
For how long has earth's climate been changing one hundred years ago or one million years or one billion years or five billion years?
1000 years
How long would it take to count a billion dollars counting one dollar a second?
you count one dollar a second so it would probably take you about 31 and a half years.
How long would it take to count one billion dollars at one dollar every second with the work shown?
1 billion seconds 1 dollar per second, 1 billion dollar bills.
How long will it take to count to 1 billion?
If you count one number per second, and never stop to sleep or eat or anything, it will take over 31 years.
How long would it take to complete a Hanoi puzzle with 64 disks if you moved one disk per second?
It would take 264 - 1 seconds or, at one move per second, approx 585 billion years.
How many years will it take to count one billion dollars?
Assuming it takes about 1 second to count each dollar, it would take one billion seconds, or about 31 years and 8 months.
How long has Neptune been around?
one hundred million billion years
If there are 400 billion stars in the milky way galaxy how long would it take to count them if you could count continuously at a rate of one per second?
400 billion seconds. (almost thirteen thousand years) By the way there are probably no more than 200 billion stars in our galaxy...
If one could count on peso per second how many years would it take to count 1 billion pesos?
1 billion seconds / 3600 / 24 / 365.2422 = 31.69 years
How many years is in one billion minutes?
There are approximately 1,901.33 years in one billion minutes.
