And behold / The blue planet steeped in its dream /

Of reality, its calculated vision shaking with the only love – James Dickey

If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another. The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff: Carl Sagan

The Earth from Apollo 8 as it rounded the dark side of the moon. Photo: Nasa/AFP/Getty Images

The cosmos is all that is or ever was or ever will be: Carl Sagan

It is far better to grasp the universe as it really is than to persist in delusion, however satisfying and reassuring. In our obscurity – in all this vastness – there is no hint that help will come from elsewhere to save us from ourselves. It is up to us: Carl Sagan

COSMOS: A Personal Voyage: Carl Sagan (1980)

The top 10 views of Earth from space

Joe Moran: the story behind our planet’s most famous photo, December 24, 1968

In 1969 Michael Collins (1930-2021) Took This Photo of Every Single Human But Himself