According to physics 70% of the universe is made up of energy that we cannot observe. Physicists call it dark energy and determined it’s existence when they realized that the expansion of the universe is accelerating. According to Nasa scientists, “The rest – everything on Earth, everything ever observed with all of our instruments, all normal matter – adds up to less than 5% of the Universe.” Read more here.
Could this be prana? How does this relate to the yogis experience of vitalilty, energy, true self, or emptiness?
On the darkest day of the year, perhaps we could take some time and ponder our connection to what we cannot see.