Carbon 14 dating find age artifacts
That number is consistent with only about 7,000 years worth of supernovas..
Yet each time a comet orbits close to the sun, it loses so much of its material that it could not survive much longer than about 100,000 years.
To determine their age the isotope’s from uranium-238, uranium-235 and potassium-40 are used.
Yet the nearby parts of our galaxy in which we could observe such gas and dust shells contain only about 200 supernova remnants.
Carbon-14, described by Argonne National Laboratory, is produced in Earth’s atmosphere when N-14, Nitrogen, from New World Encyclopedia, atoms are bombarded by cosmic rays from space. It is very difficult to date organisms less than 1,000 years old because there is too much carbon-14 present.