If the sun turned off, how long would it take before for earth ended?
539239
Life on earth will end before that.\nBecause sun before turning off will create havoc to earth's life supporting system.
707840
There are a lot of variables to consider.  First, lets assume the Earth's rotational axis is a line more or less on the same plane as the Earth's orbit around the Sun instead of the existing axis alignment which is more or less perpendicular to the plane of the Earth's orbit.  Then, lets assume the Earth has the same axial rotation rate it does now, that is, one complete revolution around the rotational axis every 24 hours or so.  Next, lets assume the new rotational axis is fixed.  An easy was to visualize this scenario would be to see the Earth orbiting around the Sun's poles instead of it's equator.  Finally, lets assume you are standing at teh South Pole.  Let's start with the Earth at 12:00, directly above the Sun's North Pole.  The Earth's southern hemisphere would be bathed in sunlight with the South Pole being closest to the Sun.  The Earth's rotational axis would be pointing straight at the Sun from the South Pole.  The Earth's Northern Hemisphere would be in total darkness.  The Earth would still be rotating once about every 24 hours, but at the Earth's South Pole, the Sun would be directly overhead, like at high noon.  It would stay that way for a month, until the Earth moved to 1:00, then the Sun would appear to move about 1/3 of the way down in the sky from high noon to the horizon. and would completely circle the sky every 24 hours, staying at that position all the way around.  It would stay that way for about another month until the Earth moved to 2:00 around the Sun. Then the Sun would appear to be only 1/3 the way above the horizon, and would circle the sky at that level for about another month.   At 3:00 in the Earth's orbit around the Sun, the Earth's rotational axis would be perpendicular to the Sun and parallel with the Earth's orbital path.  Again from the Earth's South Pole, you would have a virtual perpetual dawn with the Sun apparent on the horizon but never quite coming into view.  It would appear that the Sun was circling just below the horizon every 24 hours.  The view from the Earth's North Pole would be the same, except the Sun would appear to be circling the opposite direction just below the horizon.  It would stay this way for about a month, then would reverse the process with the North Pole becoming brighter as the Sun seems to be slowly spiraling up in the sky until the Earth reaches the 6:00 point in it's orbit around the Sun.  At this time, the North pole would be pointing directly at the Sun and it would appear to be high noon at the North Pole for about another month.  The same would happen as the Earth orbits around the Sun from 6:00 to 12:00 only in reverse, with the North Pole getting slowly darker as the Sun appears to slowly spiral down in the sky until it sinks below the northern horizon and starts to slowly spiral back up the sky in the southern hemisphere.  Of course, summer at either of the Earth's poles would be a real scorcher, especially as the Sun climbed high into the sky for months at a time.  The opposite effect would occur on the other side of the Earth, as things started getting colder, until the Sun just disappeared for about 6 months at a time.  \n\nFor folks on the Earth's equator, the Sun would appear to be standing still just below the southern horizon at Earth's 12:00 position in orbit around the Sun.  As the Earth moved in orbit around the Sun, the Sun's rising and setting arc would rise every day until the Earth reached 3:00 in it's orbit around the Sun, then the Sun would be rising and setting in an arc directly overhead and appear much as it does today in mid summer, with 24 hour days and a sunrise and sunset every day.  \n\nProbably the best bet for human survival in such conditions, people would need to be nomads and travel between the equator and the Earth's 30th parallels north and south, following the Sun as it moves over the sky.  Probably wouldn't be much water
392956
It's not the length of the second; it's the number of days it takes the earth to go around the sun.  It takes about 365.26 days.  If the second were lengthened, and clocks stayed as they are, eventually it would be dark at noon.
847832
Your lungs and all tissue exposed would freeze instantly (space is that cold)... any part of you facing the sun would immediately be bombarded with massive amounts of radiation and burn ... and it would all happen instantly and simultaneously.\n\nBut you wouldn't notice 'cause you'd already be dead.
96467
Our Sun will "burn out" in about 4.5- to 5.0-billion years from now.\n\nRight now the Sun is converting hydrogen into helium at a rate of some 600-MILLION metric tons per second. Once this main fuel source is exhausted, the Sun will begin fusing helium, and once that's gone it will "burn" progressively heavier and heavier elements. Each change in fuel will be accompanied first by a diminishment in size, then a period of swelling. Mercury, Venus, and Earth will be consumed. Finally nothing but iron will be left to burn in the Sun, and since the energy required for that is higher than the Sun can generate, it will gradually dwindle more and more in size until it will become what's called a 'white dwarf' star.
585240
um depends how fast you're going. If you're going the speed of light it would only take 8 minutes. \nIf you were flying in the spaceshuttle, which goes Mach 25 or about 17,500MPH it would still take 221 days to get to the sun. So not even a year.
976309
not millions of years, as the previous answers say.  try about five billion years from now.  at that time, the sun will have used up its supply of hydrogen fuel.  it will try to burn off the helium that now fills its core, and expend so much energy in the process that its outer layers will expand beyond the orbits of mercury and venus, and making earth's surface semi-molten (if it doesn't destroy the planet).  it will thus become a red giant.  as it slowly cools and fades, it will shrink to become a white dwarf, and finally die out as a black dwarf.  hopefully before then, we'll have long since been gone, if we haven't destroyed each other by then.
194179
The distance from the earth to the sun is about 93 million miles. The speed of light is about 186,000 miles per second. Dividing shows that it tkes light about 500 seconds to go from the sun to the earth. That's 8 minutes 20 seconds.
393960
Well, assuming you mean that the Sun just went out, but the Earth keeps orbiting:  probably for a little while.\n\nThe temperature would fall pretty quickly, though the oceans would give us a little reprieve; temperatures would remain livable near the oceans longest, and would be coldest inland.  Meanwhile, every photosynthesizing plant would eventually die from lack of sunlight, and soon every land animal would freeze or starve to death.  Even with modern technology, I doubt the last humans could make it for a couple of months.  Eventually, the atmosphere would rain, then freeze onto the surface, while the oceans would eventually freeze solid, or nearly so.  It would not be pretty.\n\nI've included two relevant links below:
118502
At that rate, it'd take about 2 trillion years for the earth to reach the distance from the sun where Venus is.  The solar system is only about 4 or 5 billion years old.  Answer: Venus was almost certainly never where we are.
406243
very long. this is because the sun is a very large star and will take billions or rather trillions of years. when it does burn out however, it will be big enough to swell so big that it will swallow mercury, venus and possibly earth ^^ good luck
1054717
The sun is about 4.5 billion years old and about 1/3 rd the way through it's expected life. Scientists have given us a glimpse of what to expect as the sun ages.\n\n1.1 billion years or so, it will become 10% brighter. This will cause the earth to become super heated, all life will be destroyed and the oceans will boil away. Then in another 6.5 billion years, it will double in brightness and burn its supply of hydrogen fuel in its core. The sun will swell and become bigger than what we see today.\n\nAt around 8 billion years or so, the size will increase to 166 times and reach as far as Jupiter. The color will be red and it will be known as a Red Giant, but once the hydrogen fuel is depleted and the sun has reached the outer regions of Jupiter, it will start to shrink, losing both energy and brightness as it quickly consumes it's helium in  in 100 million years or so..\n\nThen, at around 12 billion years, the sun will eject much of its outer layers and become a smoldering, collapsed core that scientists would call a White Dwarf, but this is not the end, for it has one more transformation. It eventually will become a Black Hole.\n\nIf you would like to see what the sun will look like when it becomes a White Dwarf, go to:\nhttp://www.physorg.com/newman/gfx/news/m2_9_large.jpg
9800
Well, I certainly wouldn't have to worry anymore about whether or not I turned the coffee maker off! Seriously, if the Earth stopped spinning on it's axis, there would be much larger factors at work & I'd be looking for the quickest way to get out of what was going to become an extremely unstable area of space! After all, assuming that I had a craft capable of long range travel, it might be left up to myself & whomever else might also be out on other missions to find a way to carry on the human race :)\n\nWhen I read the question the first thing I thought of was, "Pause.......BOOM!"
1064119
If the sun were any farther from the earth we would all freeze to death. If it were any closer, we would all burn to death.
80131
According to answers.com, the sun will last another 6 billion years, so you don't need to worry about it. It also says that it will turn into a white dwarf. Yet, the other source says that it will last around 5 billion years until it turns into a white dwarf. Then, it will cool down, taking billions of years, then turn into a black dwarf.\nhttp://www.enchantedlearning.com/subjects/astronomy/stars/lifecycle/\nhas a diagram to show the cycles of stars like the sun.
543147
If anything it changes to 1:00, since the number of daylight hours before noon is less than the number of daylight hours after noon.  It is never actually at the top of the earth; it's just at its highest point in the sky.
287936
if gravity was absent, teh earth would have moved away from sun...it would be dark, the plants would not grow, we would die out of cold. we maynot even be able to stand in oneplace.....