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Moon
The Moon, sometimes referred to by its Latin name Luna, is Earth's only natural satellite and the fifth largest natural satellite in the Solar System.

The Moon makes a complete orbit around the Earth every 27.3 days (the orbital period), and the periodic variations in the geometry of the Earth–Moon–Sun system are responsible for the lunar phases that repeat every 29.5 days (the synodic period). It is in synchronous rotation, meaning that it keeps nearly the same face turned toward the Earth at all times and so rotates on its axis every 27.3 days too.

Geochemical mapping from orbit implies that the crust of the Moon is largely anorthositic in composition, consistent with the magma ocean hypothesis. In terms of elements, the crust is composed primarily of oxygen, silicon, magnesium, iron, calcium, and aluminum. Based on geophysical techniques, its thickness is estimated to be on average about 50 km. Most of the Moon's mare basalts erupted during the Imbrian period 3.0–3.5 billion years ago. Nevertheless, some dated samples are as old as 4.2 billion years, and the youngest eruptions, based on the method of crater counting, are believed to have occurred only 1.2 billion years ago.

In ancient folklore, the moon was often blamed for certain forms of madness and other misfortunes, leading to terms like "lunacy" and "lunatic", and legends such as the werewolf.

Moon in "Before the Beginning"Edit

The shaping of the Moon was considered a pretty good time-viewer video, after Hollywood editors snipped out all the boring parts.

Moon in Curious NotionsEdit

In the alternate designated as 3477 by Crosstime Traffic, the German Empire achieved effective control of all Earth, it sent a man to the Moon in the middle of the 21st Century. The Germans then conducted a massive worldwide propaganda campaign presenting this as a proof of German ingenuity and science, superior to that of all other nations. They did not, however, feel that more Moon missions were worth the continued expense. Consequently, the first man on the Moon, who was still alive in the 2090s, would remain the only one for the foreseeable future.[1]

Moon in "La Différence"Edit

Early in the 21st century, Japan staged a surprise attack on United Europe bases on Io using equipment from their Moon Base. After the initial missile attack, Japan landed a number of Luna equipped crawlers including two under the overall command of Sublieutenant Mitsuo Onishi, which pursued the crawler of Renée Messier and Alec Hall.

Earth in A World of DifferenceEdit

The Earth and its Moon were visible from the planet Minerva. The Minervans called this collective body the Twinstar.[2]

Moon in WorldwarEdit

The United States, the Soviet Union, and the Greater German Reich each built bases on the Moon in the decades following the Peace of Cairo.[3] Sam Yeager even made a trip to the Moon.[4]

David Goldfarb resented that the British had not gone there or had such a presence in space as the other leading powers did. He further resented the fact that a Nazi was the first man to set foot on the moon.

The United States had established several lunar bases: Moon Bases Alpha and Beta.[5]

ReferencesEdit

  1. Curious Notions, pg. 41.
  2. A World of Difference, chapter 2.
  3. Second Contact, pg. 77.
  4. Ibid., pg 8.
  5. Homeward Bound

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