Travel with NASA from biggest to the smallest.Have a safe journey.Worth watching it....!Think where we stand.WHAT IS OUR SIGNIFICANCE IN UNIVERSE?Our fights,love,fear,wars,houses,money,health,death,life ,icons,kings,emperors suspended in a speck of dust in the universe.Our earth is seen as a PALE BLUE DOT.Worth watching it.
2. This is a journey which starts and ends in distances
difficult for the human mind to capture.
It starts from 10 million light years (1023m.) at space, and
ends at 100 atom/meter (10-16m.) on Earth.
Have a nice trip.
National NASA