The immense distances to the stars and the galaxies mean that we see everything ins pace int he past, some as they were before the Earth came to be. Telescopes are time machines.


Pale Blue Dot: A Vision of the Human Future in Space (ed. Ballantine Books, 2011) - ISBN: 9780307801012


The immense distances to the stars and the galaxies mean that we see everything ins pace int he past, some as they were before the Earth came to be....

The immense distances to the stars and the galaxies mean that we see everything ins pace int he past, some as they were before the Earth came to be....

The immense distances to the stars and the galaxies mean that we see everything ins pace int he past, some as they were before the Earth came to be....

The immense distances to the stars and the galaxies mean that we see everything ins pace int he past, some as they were before the Earth came to be....