During the last 100 years cosmic rays became scarcer because unusually vigorous action by the Sun batted away many of them. Fewer… — Henrik Svensmark Copy Share Image
We are the representatives of the cosmos; we are an example of what hydrogen atoms can do, given 15 billion years of… — Carl Sagan Copy Share Image
We on Earth have just awakened to the great oceans of space and time from which we have emerged. We are the… — Carl Sagan Copy Share Image
We've been given the gift of a billion years of cosmic time, and we should not screw it up. But at the… — Sandra Faber Copy Share Image
