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PLANETAI

LAMP → FIVE · WIDTH IS DISTANCE

Pattern

The wanderers kept making human beings change their model of the real. Width here is modern heliocentric distance from the lamp. That is not how the old sky was seen. It is how the model now places them.

  1. the lamp
  2. Mercury from MESSENGER. A large metallic world with a thin silicate shell.

    Mercury

    0.387 AU

  3. Global Magellan radar mosaic of Venus.

    Venus

    0.723 AU

  4. Mars residual south polar cap in southern summer, about 420 km across.

    Mars

    1.524 AU

  5. Jupiter from JunoCam, Great Red Spot and southern hemisphere.

    Jupiter

    5.203 AU

  6. Saturn and the rings from Cassini’s last full portrait, cropped to the disk.

    Saturn

    9.537 AU

Ancient observers did not know these distances. Mercury is the one you can miss.

  1. Mercury

    The fastest naked-eye wanderer later exposed a limit in Newtonian prediction and became a test of relativity.

    The Messenger

  2. Venus

    One light, two appearances. Phases later pressure cosmological models. Radar then shows another world.

    Evening Star

  3. Mars

    Retrograde motion, then maps, then an engineering destination whose future place can be calculated.

    Red World

  4. Jupiter

    One wandering light becomes a system with moons. Later, resonance, timing, and navigation.

    World of Worlds

  5. Saturn

    The slowest naked-eye wanderer becomes a telescopic puzzle, then a ring system and a dynamical world.

    World of Rings

THE 42 INDEX · GlanceThe index glances at numerals. PLANETAI keeps the walk. Reciprocal door, not a second ledger.

EveDoor

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