a terra como um grão de pimenta

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  • 7/24/2019 A Terra Como Um Gro de Pimenta

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    1) A Terra como um gro de pimenta

    Escala 1mm=6000 km km m

    mm Representao

    dimetro do Sol 1 400 000 230 bola

    distncia do Sol a Mercrio 58 000 000 10

    dimetro de Mercrio 5 000 0,8 cabea de alfinete

    distncia da rbita de Mercrio a!"n#s 50 000 000 8

    dimetro de !"n#s 12 000 2 $r%o de coentro

    distncia da rbita de !"n#s & 'erra 41 000 000 7

    dimetro da 'erra 13 000 2 $r%o de coentro

    distncia da rbita da 'erra a Marte 78 000 000 13

    dimetro de Marte 7 000 1 $r%o de $er$elim

    distncia da rbita de Marte a ()iter 550 000 000 *2

    dimetro de ()iter 143 000 24 no+

    distncia da rbita de ()iter a Sat#rno 64* 000 000 108

    dimetro de Sat#rno 120 000 20 a el%

    distncia da rbita de Sat#rno a -rano 1 443 000000 240

    dimetro de -rano 51 000 * amendoim

    distncia da rbita de -rano a et#no 1 627 000000 271

    dimetro de et#no 4* 000 8 amendoim

    distncia da rbita de et#no a /l#t%o 1 404 000000 234

    dimetro de /l#t%o 2 300 0,4 semente de )a)o#la

    Total das distncias do sistemaplanetrio

    5 900 000000 983

    1

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    distncia da 'erra & #a 384 000 64

    dimetro da #a 3 500 0,6 semente de )a)o#la

    distncia da # em de ort 1 ano l#+1 600

    m

    distncia da estrela mais )r ima 4,22 anosl#+6 700

    m

    Pacing off the Solar System

    Additional Notes

    Beyond the Solar System

    Numerical Summary

    2

    http://www.noao.edu/education/peppercorn/pcmain.html#pacinghttp://www.noao.edu/education/peppercorn/pcmain.html#noteshttp://www.noao.edu/education/peppercorn/pcmain.html#beyondhttp://www.noao.edu/education/peppercorn/pcmain.html#numbershttp://www.noao.edu/education/peppercorn/pcmain.html#pacinghttp://www.noao.edu/education/peppercorn/pcmain.html#pacinghttp://www.noao.edu/education/peppercorn/pcmain.html#noteshttp://www.noao.edu/education/peppercorn/pcmain.html#beyondhttp://www.noao.edu/education/peppercorn/pcmain.html#numbers
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    2) THE THOUSAND-YARD MODEL

    or, The Earth as a PeppercornCopyright 1989 by Guy Otte ellUniversal Workshop PO Bo! 1"#$aynham% &A "#'(')"1"#*oll +ree, 8"")-..)-"8.+a!, -"8)9(')#'"#/mail, customerser0ice uni0ersal or2shop3com

    *his is a classic e!ercise for 0isuali4ing 5ust ho B6G our Solar System really is3 Boththe relati0e si4e and spacing of the planets are demonstrated in this outdoor e!ercise%using a mere peppercorn to represent the si4e of the /arth3 Guy Otte ell has 2indlygi0en permission for this electronic presentation of *he *housand)7ard &odel hise!ercise is presented in its original form% inde!ed ith a fe anchors to help you findyou ay around the large file3 e also include a catalog describing se0eral Otte ellpublications3 6mage of the planets courtesy of NASA 3

    2.1) IntroductionCan you picture the dimensions of the solar system:

    Probably not% for they are of an order so ama4ing that it is difficult either to reali4e orto sho them3

    7ou may ha0e seen a diagram of the Sun and planets% in a boo23 Or you may ha0eseen a re0ol0ing model of the 2ind called an orrery ;because the first as built for an/arl of Orrery in 1'1-

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    *he follo ing e!ercise could be called a &odel% a al2 or a =appening3 6 ha0e done itmore than t enty times ith groups of 0aried ages ;once e ere tele0ised< or ith asingle friend and others% such as elementary)school teachers% ha0e carried it out iththese instructions3 Since it is simple% it may seem suitable for children only3 6t can%indeed% be done ith children do n to the age of se0en3 7et it can also be done ith aclass consisting of professors of astronomy3 6t ill not aste their time3 *hey ill

    disco0er that hat they thought they 2ne % they no apprehend3 *o ta2e anothere!treme% the most uncontrollable high)school students or the most blase collegestudents unfailingly s itch on their full attention after the first fe paces of thee!cursion3

    *here is one other party that may profitably ta2e the planet) al2% and that is yourself%alone3 $eading the follo ing description is no substitute, you must go out and ta2ethe steps and loo2 at the distances% if the a e is to set in3

    +irst% collect the ob5ects you need3 *hey are,

    Sun )any ball% diameter 83"" inches

    &ercury )a pinhead% diameter "3". inch

    >enus )a peppercorn% diameter "3"8 inch

    /arth )a second peppercorn

    &ars )a second pinhead

    ?upiter )a chestnut or a pecan% diameter "39" inch

    Saturn )a ha4elnut or an acorn% diameter "3'" inch

    @ranus )a peanut or coffeebean% diameter "3." inch

    Neptune )a second peanut or coffeebean

    Pluto ) a third pinhead ;or smaller% since Pluto is the smallest planet/&?S@NP3 ;*his m0emonic could be made slightly more pronounceable by insertingthe asteroids in their place bet een &ars and ?upiter, &>/&A?S@NP3enus% a

    redhaired or pugnacious &ars% a ponderous or regal ?upiter% a ring) earing Saturn ablue)eyed @ranus% a s imming)champion Neptune% a far)out Pluto can enli0en theproceedings and teach a fe scraps of mytholgy or planetology3 6t is unfortunate thatonly >enus and /arth ;the &oon< are female ;most of the goddesses ha0e gi0en theirnames to asteroids instead

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    Put the Sun ball do n% and march a ay as follo s3 ;After the first fe planets% youill ant to appoint someone else to do the actual pacing)call this person theSpacecraft or Pacecraft )so that you are free to tal23