"Lights" is not a unit of time. If you mean "light-years", that's not a unit of time, either; it is a unit of length.
half a billion years left. But that does not mean that PEOPLE will last that long. ;-)
Jesus lived on this earth roughly 33 and a half years.
Jesus work on earth lasted three and a half years.
It takes 10,759 earth days (29 and a half years) for Saturn to orbit the sun
Half a century is fifty years.
Jesus stayed on earth in flesh and blood for 33 years, out of this he did his work for only three and a half years only.
Earth is estimated to be around 4.5 billion years old. The earliest signs of life on Earth date back to approximately 3.5 billion years ago, suggesting there was around 1 billion years between Earth's formation and the emergence of life.
Half a day, obviously.
The radioactive element with a half-life of 4.5 billion years is Uranium-238. It is commonly used in radiometric dating to determine the age of rocks and materials on Earth due to its long half-life.
It takes about 164 years, nine and a half months for Neptune to orbit the Sun.
10 years
Mars takes longer to rotate around the sun than Earth. Since it takes Mars almost twice as long as earth to make a rotation around the sun, you are half your age. Less rotations, less years