tag:blogger.com,1999:blog-5099921.post6244758106857223699..comments2023-05-03T04:30:21.758-07:00Comments on NCFocus: Lost in Deep TimeAnna Hayneshttp://www.blogger.com/profile/15176850465809297298noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-5099921.post-33030228024091761242011-11-29T11:12:25.197-08:002011-11-29T11:12:25.197-08:00It's difficult to grasp Deep Time. Graphics ar...It's difficult to grasp Deep Time. Graphics are sometimes helpful.<br /><br />I tried to get a notion of it just now with my calculator:<br /><br />The Earth is at least 4 billion years old. If the human lifespan were as much as 100 years (close enough), the Earth would then be as old as 40 million lifespans.<br /><br />Or, another way to think of it: a thousand years ... 4 million times.<br Don Peltonhttp://sierravoices.comnoreply@blogger.com