White dwarf are very old in existence in the world. The white dwarfs are at least about twelve to thirteen billions years old in existence. These are only slightly younger than the universe itself.
Thus these white dwarfs provide a clear idea about how old the universe is and since when it has come into existence itself. Although not exact but some what idea can be made that it is about more than thirteen billion years old and came into existence back then.
That one difference is that a women’s voice box has a much higher vibration and a Male’s voice box has a much lower and deeper vibration when they get older. Hope this helps :)
