A planet is an astronomical object orbiting a star or stellar remnant that
* is massive enough to be rounded by its own gravity,
* is not massive enough to cause thermonuclear fusion, and
* has cleared its neighbouring region of planetesimals.

The term planet is ancient, with ties to history, astrology, science, mythology, and religion. Several planets in the Solar System can be seen with the naked eye. These were regarded by many early cultures as divine, or as emissaries of deities. As scientific knowledge advanced, human perception of the planets changed, incorporating a number of disparate obj

Foundation (Foundation #1)
Foundation's Edge (Foundation #4)
Forward the Foundation (Foundation: Prequel #2)
Prelude to Foundation
Stranger in a Strange Land
Shadow of the Giant (Ender's Shadow, #4)
Matter (Culture, #8)
Hyperion (Hyperion Cantos, #1)
Naked Lunch
The Martian Chronicles
The Currents of Space (Galactic Empire #2)
Heretics of Dune (Dune Chronicles #5)

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And yet we knew, for a certainty, that when first emissaries of Earth went walking among the planets, Earth's other sons would be dreaming not about such expeditions but about a piece of bread.
Stanisław Lem, His Master's Voice

Have faith that your child's brain is an evolving planet that rotates at its own speed. It will naturally be attracted to or repel certain subjects.
Suzy Kassem, Rise Up and Salute the Sun: The Writings of Suzy Kassem

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