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World literature

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Worlds in literature

File:951020 STS73 Columbia launch.jpg

Characters in science fiction stories may travel to other worlds

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Worlds in science fiction

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Fantasy worlds

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Author	World	Source	Description
J.R.R. Tolkien	Middle Earth	The Lord of the Rings trilogy	Middle-earth has some qualities similar to Mediæval Europe. The author added magical creatures like elves and wizards. At the end of the story, some magical creatures leave the world.
J.R.R. Tolkien	Arda	The Silmarillion	Arda is our world, but in a fictional time. Middle-earth is actually a continent of the world.
C. S. Lewis	Narnia	The Chronicles of Narnia series	The whole world is named after the principal country, Narnia. It features a powerful lion, an evil witch, giants, dragons, and some magical devices. This world is flat.
Piers Anthony	Xanth	The Magic of Xanth	This world has many magical things. It is connected to modern America. Each creature in Xanth has a unique magical talent. These talents are usually minor. Translating the book is difficult because of the many silly puns. These make sense in English but not necessarily in other languages.

Music

Music is made around the world.

The music may be a simple song for children, like this:

<score lang="lilypond" vorbis="1"><<

 \relative c {
   \key g \major
   \time 6/8
   d4 b8 c4 a8 | d4 b8 g4 g8 |
   a4 b8 c[ b] a | d4 b8 g4. |
 }
 \addlyrics {
   Girls and boys come | out to play,
   The | moon doth shine _ as | bright as day; |
 }

>></score>

The music may be part of a complex symphony. This score shows part of a famous section of the Symphony No. 9 in D minor by Ludwig van Beethoven:

<score vorbis="1" lang="lilypond"> << \new StaffGroup <<

 \new Staff {
 \set Staff.instrumentName = #"V1"
 \set Staff.midiInstrument = #"violin"
   \relative c {
     \time 4/4
     \key d \major
     \clef treble

     fis2(_\markup { \dynamic p \italic dolce }^\markup { \italic arco } g4 a) | a4( g fis e) | d2( e4 fis) | fis4.( e8) e2 |
   }
 }
 \new Staff {
 \set Staff.instrumentName = #"V2"
 \set Staff.midiInstrument = #"violin"
   \relative c' {
     \time 4/4
     \key d \major
     \clef treble

     fis4( d e fis) | d4.( e8 fis d b cis) | a4 a'2 a4( | a)( e cis8) e( fis g) |
   }
 }
 \new Staff {
 \set Staff.instrumentName = #"Va"
 \set Staff.midiInstrument = #"viola"
   \relative c {
     \time 4/4
     \key d \major
     \clef alto

     a2( d,) | b4.( cis8 d4) g( | g)( fis e d)( | d)( cis b a) |
   }
 }
 \new Staff {
 \set Staff.instrumentName = #"Vc"
 \set Staff.midiInstrument = #"cello"
   \relative c {
     \time 4/4
     \key d \major
     \clef bass

     a2( d,) | b4.( cis8 d4) g( | g)( fis e d)( | d)( cis b a) |
   }
 }
 \new Staff {
 \set Staff.instrumentName = #"Db"
 \set Staff.midiInstrument = #"contrabass"
   \relative c {
     \time 4/4
     \key d \major
     \clef bass

     d1( | d)( | d4) d( cis b) | a2( a8) g'( fis e) |
   }
 }

>> >> </score>

Languages in the world

The Egyptians used pictures to write their language. The pictures are called hieroglyphics. This is what they look like:<hiero> A1-B2-D4-E5 </hiero><hiero> F6 p*p*p:t*t*t </hiero>

Once upon a time, Greek and Latin were spoken by most traders in the Western world. Before then, traders learned the languages of nearby cities. Ancient traders did not travel around the world.

Some languages are spoken in many parts of the world. These are called world languages. As of 2015, English is the most common world language. Previously, French was the most popular language in the West. Chinese was used by traders in all of East Asia for centuries. Arabic is common in the Middle East, Northern Africa, and other parts of the world.

World health

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Poetry

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Shape of our world

Our world is not a perfect sphere. It is slightly flattened.

This is the mathematical formula for measuring the flatness of a sphere:

<math display="block">\begin{align}

f&=\frac{a-b}{a}.

\end{align}</math>

For our world, <math display="inline">f\,\!</math> is approximately 0.3%. The Moon is rounder. For the Moon, <math display="inline">f\,\!</math> is approximately 0.1%. Jupiter is flatter. For Jupiter, <math display="inline">f\,\!</math> is approximately 6.5%.

Local planets

Our world is a planet. There are several types of planets in our solar system:

• Terrestrial planets
• Giant planets
  • Gas giants
  • Ice giants

These are the planets in our solar system:

• Four terrestrial planets
  1. Mercury
  2. Venus
  3. Earth
     • One satellite, called the Moon
  4. Mars
• Two gas giants
  1. Jupiter
     • Four large satellites
     • 63 other satellites
  2. Saturn
     • 62 satellites. Some are very small.
     • Seven are large. The largest, called Titan, is larger than the planet Mercury.
• Two ice giants
  1. Uranus
     • Five satellites
     • 22 other satellites
  2. Neptune
     • One satellite, called Triton

Gallery

• Local planets (not to scale)
• Reprocessed Mariner 10 image of Mercury.jpg

  Mercury

• Venus globe.jpg

  Venus

• North America from low orbiting satellite Suomi NPP.jpg

  Earth

• Mars 23 aug 2003 hubble.jpg

  Mars

• Jupiter New Horizons.jpg

  Jupiter

• Saturn during Equinox.jpg

  Saturn

• Uranus2.jpg

  Uranus

• Neptune Full.jpg

  Neptune

External links

• Example link – an external link to example.com
• [1] – an external link without a label