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This foolish idea of shooting at the moon is an example of the
absurd length to which vicious specialization will carry
scientists ... the proposition appears to be basically impossible.
-A. W. BICKERTON, 1926
The finer part of mankind will, in all likelihood, never perish-they
will migrate from sun to sun as they go out.
And so there is no end to life, to intellect and the perfection of
humanity. Its progress is everlasting.
-KONSTANTIN E. TSIOLKOVSKY, FATHER OF ROCKETRY
One day in the distant future we will have our last nice day on Earth.
Eventually, billions of years from now, the sky will be on fire. The sun
will swell into a raging inferno that will fill up the entire sky, dwarfing
everything in the heavens. As temperatures on Earth soar, the oceans
will boil and evaporate, leaving a scorched, parched landscape. The
mountains will eventually melt and turn liquid, creating lava flows
where vibrant cities once stood.
According to the laws of physics, this grim scenario is inevitable.
The Earth will eventually die in flames as it is consumed by the sun.
This is a law of physics.
This calamity will take place within the next five billion years. On