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Dr Who

Up to date as of January 31, 2010
(Redirected to Category:Galaxies article)

From TARDIS Index File, the free Doctor Who reference.

Subcategories

This category has the following 6 subcategories, out of 6 total.

A

F

I

M

R

S


This article uses material from the "Category:Galaxies" article on the Dr Who wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

Memory-beta

Up to date as of February 02, 2010

Memory Beta, the wiki for licensed Star Trek content.

See also Galaxy class.
The Milky Way Galaxy as depicted in the USS Voyager's astrometrics lab in 2374

A galaxy is a dense of cluster of millions of stars, nebulae and various other matter which is held in place by a massive gravitational attraction (such as a super massive blackhole).

Galaxies can take on many shapes and sizes, our own galaxy the Milky Way is a Spiral Galaxy so is naturally divided into a number of spiral arms, never the less it is a common practice as means of general galactic charting by many races to divided the Milky Way into four equal Quadrants.

In addition to the main body of a galaxy, many galaxies also have a number of smaller satellite galaxies and globular star clusters which seemingly orbit the main galactic body. (ST reference: Star Trek: Star Charts)

Known Galaxies

Connections

MultiverseUniverseGalaxy
Galactic Regions: QuadrantSector • Cluster • NebulaStar system
System Bodies: StarPlanetPlanetoidDwarf planetAsteroidMeteoroidComet

This article uses material from the "Galaxy" article on the Memory-beta wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

Halo

Up to date as of February 08, 2010
(Redirected to Milky Way Galaxy article)

From Halopedia, the Halo Wiki

5.00
(23 votes)
There is more information available on this subject at Milky Way Galaxy on the English-language Wikipedia.
The Milky Way seen in infrared from Earth.
An overhead view of the Milky Way.

The Milky Way is the galaxy where the humans and the Covenant reside,[1] and is approximately 100,000 light years in diameter. It is a barred spiral galaxy that lies within the local group of galaxies neighborhood, which is just a very small portion of the universe. Visible from Earth as a band of light in the night sky, the Milky Way is just one of many galaxies in the observable universe, though the Milky Way has special significance to Humanity as it is the home galaxy of its planet, Earth.

Contents

Appearance

The pink 'dots' are massive patches of intense star formation.

The Milky Way is a barred spiral galaxy of either SBb or SBc classification on the Hubble Sequence. It has two major arms, each sporting several minor arms that stem off of the major arm. One of these major arms, the Carina and Sagittarius Arm, is home to the Orion Arm. Splotches of intense star birth and formation can be seen in the arms. These areas are pink/red in hue and appear as wisps or clouds situated in the galactic plane. These are easily seen on any level featuring the Milky Way in the sky (Isolation, The Ark, etc.).

The Orion Arm

Main article: Orion Arm

The Orion Arm is the origin of humanity and their home planet Earth, with at least 800 worlds colonized by the UNSC at one point. It is also the area of origin for the various races of the Covenant, with possibly even more worlds. It is assumed to be the place of origin for the Forerunners as well, but their mysterious nature and advanced technology means that it is not known exactly where they came from, if they expanded further out through the galaxy, or even if they originated from outside of this galaxy.

The Orion Arm is the setting for the Human-Covenant War of the 26th Century and the far more ancient Forerunner-Flood War, witnessing at least two massive wars. It is also the home of at least two Halo Installations and the teleporter to the Ark or Installation 00.

Other Galactic Components

The Milky Way is composed of a disk, in which all the arms and the majority of galactic matter lies, and the galactic bugle, essentially the center of a galaxy. The bulge is home to the galactic nucleus, the dead center of a galaxy and home to an extremely dense clustering of ancient stars. The nucleus is also thought to support a supermassive blackhole. Additionally, most known galaxies possess a halo of old and dying star clusters left over from the galaxy's formation. These clusters are situated up to 100,000 light years from the galactic bulge. Habitable planets may certainly lie within the halo, and some clusters may escape the range of the Halo Effect given their distance from the galactic center.

History

Forerunner-Flood War

Main article: Forerunner-Flood War
Optimal projection of the area covered by the Halo Array.

Prior to approximately the year 97,448 B.C. (human years), the previous galactic community was dominated by the Forerunners, a mysterious and now extinct species that possessed extremely advanced technology and an empire that spanned a significant portion of the galaxy. However, encounters with a parasitic sentient species, the Flood, led to the Forerunner-Flood War, with the Flood consuming or killing the great majority of the galaxy's sentient species as the Forerunners first studied them, and then tried to stop them. Eventually, the Forerunners were forced to construct the ultimate weapon, the Halo Array, in order to stop them - at the same time, killing its builders. The Forerunners built safe havens, including the Shield Worlds and the Ark, to save the remaining sentient species, before activating it, scouring the galaxy of all sentient life forms and killing the Flood except for samples kept on the Halos, then releasing the saved species from their havens to their home worlds.

Human-Covenant War

Main article: Human-Covenant War

Almost 100,000 years afterward, the galaxy had recovered substantially, leading to the rise of two great civilizations the UNSC, comprised of the majority of humanity and controlled from Earth, and the Covenant, a hegemony of many different species who worshiped the Forerunners as gods. Contact between the UNSC and Covenant was not peaceful, leading to the Human-Covenant War, which destroyed hundreds of human colonies and killed billions of colonists and UNSC military personnel, since the Covenant had more advanced weaponry. The discovery of one of the Forerunners Halo installations set forth a series of events that would not only end the war, but also destroy the Covenant and begin the Covenant Civil War, or Great Schism.

Great Schism

Main article: Great Schism

Triggered by the replacement of the Elites with the Brutes, the Elites left the Covenant, in the process that consumed a significant amount of the Covenant's populace and resources, creating the Separatist faction. The Separatists, realizing that the Prophets were conducting an unjustified war against humanity and planning a misguided activation of the Halo Array, allied with the UNSC to stop them, leading to the Battle of Installation 00. The war would continue to rage until at least 2559.

Exploration

A near-accurate star map based off information from the novels.

UNSC

Main article: UNSC

Solar System

The colonization of the Milky Way includes the early colonization attempts of the United Nations and the UNSC, beginning with the colonization of the Solar System during the 2100's. The first planet believed to be colonized is Mars, followed by the Jovian Moons. During 2160 - 2164, the Solar System was the site of the Interplanetary War, the most brutal conflict known to man since World War II. The war was fought between the UN naval and infantry forces, the Neo-Communist Koslovics (led by hardliner Vladimir Koslov), and the Frieden rebels (Jovian secessionists). Following the successful Marine deployments on Mars during the Argyre Planitia Campaign of 2163, the U.N. ultimately defeated both Koslovic and Frieden rebels throughout the Solar System, thus forming the United Nations Space Command.

Beyond

The development of the Shaw-Fujikawa Translight Engine in 2291 allowed humanity to leave the confines of its home star system for the first time and explore the wider galaxy, ushering in an age of rapid colonization and expansion. The first line of colony ships were unveiled in 2310, and on January 1st, 2362, the Odyssey, the first colony ship capable of faster-than-light travel, was launched laden with troops and terraforming gear. Over the next 28 years, the UNSC began terraforming and colonizing more than 210 worlds, which would become the Inner Colonies.

Colonial expansion continued and by 2490, UNSC colonial space encompassed over 800 worlds, large and small, in the Orion Arm. The success of colonization of the Outer Colonies made the Inner Colonies the primary stronghold, both military and economic, though they relied heavily on raw materials supplied by the Outer Colonies. During this period, the planet Reach (orbiting Epsilon Eridani, right on Earth's metaphorical doorstep) became the UNSC's primary naval yard and training academy. Reach was a major producer of warships and colony vessels, as well as a training ground for covert operatives and Special Forces.

On April 20, 2525, contact with the Outer Colony, Harvest, was lost. After failing to re-establish contact with Harvest, the Colonial Military Administration sent a scout ship, the Argo, to investigate. Contact with the Argo was subsequently lost after the ship arrived in the Harvest system, plunging humanity into a deadly war with an alien race known as the "Covenant". Harvest was glassed from orbit, and marked the beginning of the war with the Covenant. The war was termed the Human-Covenant War, and was the most destructive conflict in the galaxy's history since the Forerunner-Flood War 100,000 year prior. Since the war's beginning, hundreds of human colonies have been destroyed and billions of civilian and military personnel have been killed by the Covenant.

At its peak, the UNSC encompassed a number of star systems, with hundreds of planets, moons and planetoids settled by colonists, some terraformed to greater degrees than others depending on the local conditions and presence of indigenous life. The Inner Colonies encompassed a region of space in at least a 10.5 light-year three-dimensional radius from Earth. Beyond that were the Outer Colonies. Other colonies were established even further - Onyx in the Zeta Doradus system, at 38 light-years[2]; Coral, at 42 light-years[3]; and Madrigal, which lay in the 23 Librae system, 83.7 light-years from Earth.[4] In 2456, Harvest was the furthest Outer Colony, at six weeks of Slipspace travel away from Madrigal and two months from Reach.[5] Beta Centauri, at 525 light-years from Earth, is the furthest known human-occupied star system.[6] It is unknown how many colonies remain at the end of the war in 2553, although remarks made by Lord Hood suggested that UNSC territory has been reduced to Sol, and a mere handful of Inner Colonies.

Covenant

Main article: Covenant

Because the Covenant have been space-faring for at least a thousand years[7], and possess far superior slipstream navigation technology to humanity, they have explored a significantly larger portion of the galaxy than humanity has. Based primarily in the Orion Arm of the Milky Way, it is unknown if they maintain territories outside of the region, but there are several homeworlds and colonies located in the Orion Arm. Additionally, the Covenant have discovered and explored several Forerunner Shield Worlds, similar to one destroyed by human forces, from which they have acquired much of their advanced technology. Exactly how many of these worlds they have found, and their status, is unknown.

The Human-Covenant War has devastated numerous human worlds, but at least one Covenant world, Joyous Exultation, was devastated by Admiral Whitcomb's NOVA Bomb in retribution for the destruction of Reach. It is unknown if the Separatists and Loyalists destroyed worlds under the control of the other faction, but both Te and Balaho, the Lekgolo and Unggoy homeworlds respectively, were almost glassed during the Covenant's history.

Locations

The known Milky Way galaxy. The yellow dot represents the Solar System and the Orion Arm is labeled "Local Spur".

Orion Arm

The Milky Way, and the Orion Arm in particular, has a large number of inhabited or, at least, habitable, planets within it, with the United Earth Government and the Covenant Empire both maintaining distinct territories of their own. Other planets and systems were once home to the now-extinct Forerunners, whose interstellar empire spanned the galaxy until their disappearance.

UNSC

Systems

Human Systems

Colonies From Unknown Systems

Covenant

Systems
Colonies in Unknown Systems

Forerunner/Flood Planets

See Also

Trivia

Sources

  1. Halo: Contact Harvest, page 26
  2. Halo: Ghosts of Onyx
  3. I Love Bees
  4. Halo: The Cole Protocol
  5. Halo: Contact Harvest
  6. Halo: The Fall of Reach
  7. Bestiarum

This article uses material from the "Milky Way Galaxy" article on the Halo wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

ST Expanded

Up to date as of February 07, 2010

The Star Trek Expanded Universe Database is for fanon and related content. See Memory-Alpha.org for the canon Star Trek wiki.

For other meanings of the word Galaxy, please see Galaxy (disambiguation).

A galaxy is a grouping of stars, usually densely, with interstellar dust and gasses, dark matter and other astronomical phenomena, held together by powerful gravitational forces. There are estimated to be one hundred billion galaxies in the visible universe. Due to scientific restrictions in traversing the vast distances between galaxies, most lifeforms known to the Federation and other governments are limited to our home galaxy, the Milky Way. Several exceptions to this have occurred over the years.

List of some galaxies

See also

External links


This article uses material from the "Galaxy" article on the ST Expanded wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

Starwars

Up to date as of February 04, 2010

From Wookieepedia, the Star Wars wiki.

This article is about the astronomical term. You may be looking for the Star Wars galaxy.

A galaxy is a massive, gravitationally bound assemblage of stars, an interstellar medium of gas and dust, and an unknown type of dark matter. Typical galaxies contain ten million to one trillion (107 to 1012) stars, all orbiting a common center of gravity. Galaxies can also contain a large number of multiple star systems and star clusters as well as black holes and various types of nebulae.

The Intergalactic Void was the space between the galaxies.

Known galaxies

See also

External links


This article uses material from the "Galaxy" article on the Starwars wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

Star Wars Fanon

Up to date as of February 04, 2010

The Star Wars wiki of fan invention.

A galaxy is a massive, gravitationally bound system consisting of stars, an interstellar medium of gas and dust, and dark matter. "Galaxy" may also refer to:

See also


This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. If an article link referred you here, you might want to go back and fix it to point directly to the intended page.



This article uses material from the "Galaxy" article on the Star Wars Fanon wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.

SWG Wiki

Up to date as of February 04, 2010
(Redirected to Server article)

From SWG Wiki

Here is a list of all galaxies (servers) in SWG.

You can also download test center abilities and play the test center. Sometimes there are more than 1 test center servers (galaxies) available.

There are also several servers that have since been closed.


This article uses material from the "Server" article on the SWG Wiki wiki at Wikia and is licensed under the Creative Commons Attribution-Share Alike License.







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