Scientists have discovered what might be an earth-like planet a "mere" 4 light years away.
That is supposed to be very close but, how far away is very close? I heard that it would take, using present
technology, about eighty thousand years to get there . . . that's just one way.
I don't know about you, but it makes me feel so very small, an almost no-thing inhabiting a speck of dust
located within a galaxy containing about 100-200 billion stars which is scattered somewhere
among 200 billion or more other galaxies, each containing about one hundred billion or more stars.
But, something equally mind-boggling is the universe of the small. Both perspectives can be seen at: