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2013-05-15 (Vol 10, No 5)

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Three Poetic Fragments About Astronomy

from TROILUS AND CRESSIDA

The heavens themselves, the planets and this center,
Observe degree, priority and place,
Insisture, course, proportion, season, form,
Office and custom, in all line of order:
And therefore is the glorious planet sol
In noble eminence enthroned and sphered
Amidst the other; whose medicinable eye
Corrects the ill aspects of planets evil,
And posts like the commandment of a king,
Sans check to good and bad: but when the planets
In evil mixture to disorder wander,
What plagues and what portents, what mutiny,
What raging of the sea, shaking of earth,
Commotion in the winds, frights, changes, horrors,
Divert and crack, rend and deracinate
The unity and married calm of states
Quite from their fixture! O, when degree is shaked,
Which is the ladder to all high designs,
The enterprise is sick!

William Shakespeare
---------------------------------------------------------
from HUDIBRAS
Second Part, Canto III

The Egyptians say, The Sun has twice
Shifted his setting and his rise;
Twice has he risen in the West,
As many times set in the Easet;
But whether that be true, or no,
The Devil andy of you know.
Some hold, the Heavens, like a Top,
Are kept by Circulation up;
And 'twere not for their wheeling round,
They'd instantly fall to the ground:
As sage empedocles of old,
And from him Modern Authors hold.
Plato believ'd the Sun and Moon,
Below all other Planets run.
Some Mercury, some Venus seat
Above the Sun himself in height.
The learned Scaliger complain'd
'Gainst what Copernicus maintain'd,
That in Twelve hundred years, and odd,
The Sun had left his antient Road,
And nearer to the Earth, is come
'Bove Fifty thousand miles from home.

Samuel Butler
---------------------------------------------------------
MY FATHER'S WATCH

One night I dreamed I was locked in my Father's watch
With Ptolemy and twenty-one ruby stars
Mounted on spheres and the Primum Mobile
Coiled and gleaming to the end of space
And the notched spheres eating each other's rinds
To the last tooth of time, and the case closed.

What dawns and sunsets clattered from the conveyer
Over my head and his while the ruby stars
Whirled rosettes about their golden poles.
"Man, what a show!" I cried. "Infinite order!"
Ptolemy sang. "The miracle of things
Wound endlessly to the first energy
From which all matter quickened and took place!"

"What makes it shine so bright?" I leaned across
Fast between two teeth and touched the mainspring.
At once all hell broke loose. Over our heads
Squadrons of band saws ripped at one another
And broken teeth spewed meteors of flak
From the red stars. You couldn't cream that din:
i broke and ran past something into somewhere
Beyond a blimpse of Ptolemy split open,
And woke on a numbered dial where two black swords
Spun under a crystal dome. There, looking up
In one flash as the two swords closed and came,
I saw my Father's face frown through the glass.

John Ciardi

The Project Physics Course - Rader 1. 2

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