Kind: captions
Language: en
[Music]
and now for some final thoughts from the
Dark Side consider all we've learned
about the size age and contents of the
Universe from its fiery birth in the Big
Bang through 14 billion years of cosmic
expansion that followed even better
consider the powerful laws of physics
that we've discovered that account for
it all kind of makes you with pride for
Being Human but before you stand Too
Tall consider that at this moment we can
account for only about 15% of all the
gravity we've ever measured in the
universe we're simply clueless about
what's causing the rest not only that if
you add up all the matter and energy in
the universe it comes to just 4% of all
that drives Cosmic expansion so we're
clueless about that one too with no idea
about what occupies the remaining
96% we call these two entities dark
matter and dark energy what are they
maybe their exotic never-before seen
forms of matter and energy or maybe they
reveal a hidden flaw in our
understanding of how the universe works
but really the two terms are just
placeholders for our abject ignorance we
could just as easily have labeled them
Burt and Ernie or without a clue a and
without a clue B so we left in a curious
situation what we know of the universe
we know well yet a larger Cosmic truth
lies undiscovered before us a humbling
yet thrilling Prospect for the scientist
driven not only by the search for
answers but by the love of the questions
themselves and that is the cosmic
perspective