
PBS Space Time - S2020E13: How We Know The Earth Is Ancient
In astronomy we talk about billions of years like it’s no big deal. But how can we be sure about timescales so far beyond the capacity for human intuition? Our discovery of what we now call deep time is very recent - as recent as our discovery of the true spatial vastness of our universe. And it came as scientists tried to measure the age of the Earth. What they found was as shocking and humbling as anything seen through the telescope.
Cast: Matthew O’Dowd
All Episodes - Season 2020
PBS Space Time S2020E13 Synopsis
Stream PBS Space Time "How We Know The Earth Is Ancient" in HD quality on Goojara. Originally aired on 2020-04-07, this episode is part of Season 2020 of PBS Space Time. Featuring performances from Matthew O’Dowd among the cast. With a runtime of 18m, the episode keeps you engaged throughout. As part of this Documentary and Talk series, the episode continues to build on the show's compelling narrative. In astronomy we talk about billions of years like it’s no big deal. But how can we be sure about timescales so far beyond the capacity for human intuition? Our discovery of what we now call deep time is very recent - as recent as our discovery of the...















