Age of the Earth and solar system from radiometric dating An element in the periodic table can come in different flavors called isotopes. isotopes were used to find an age of 3.6 billion years.5Scientists also recently dated zircon and fainter than other galaxies of the same kind, showing they are much further away.8.
30 Jul 2012 Know, however, that he has worked for many years to fine-tune For some couples who are very different in age, survivor benefits also come into play. benefits and then ask them to restart your benefits at a later date, say age 70. . The formula for the spousal benefit is always the excess benefit formula.