Far 3 kpc Arm - Simple English Wikipedia, the free encyclopedia

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The Far 3 kpc Arm is one of the minor spiral arms close to the center of the Milky Way. The other is called the Near 3 kpc Arm. The Far 3 kpc Arm was discovered in 2008 by astronomer Tom Dame while preparinig for a talk on the galaxies spiral arms for a meeting. The two 3 kpc arms founded the symmetry of the Milky Way.

Milky Way

Location

Milky Way → Milky Way subgroup → Local Group → Local Sheet → Virgo Supercluster → Laniakea Supercluster → KBC Void → Observable universe → Universe
Each arrow (→) may be read as "within" or "part of".

Structure

Galactic Center	Sagittarius A Sagittarius A* Fermi bubbles Supermassive black hole
Disk	Orion–Cygnus Perseus Carina–Sagittarius Norma–Cygnus Scutum–Centaurus Near 3 kpc Arm Far 3 kpc Arm
Halo	Aquarius Stream Fimbulthul stream Gaia Sausage Helmi stream Magellanic Stream Monoceros Ring Palomar 5 stream Pisces-Eridanus stream Sagittarius Stream Virgo Stream

Satellite
galaxies

Magellanic Clouds	Large Magellanic Cloud Small Magellanic Cloud Magellanic Bridge
Dwarfs	Phoenix Sagittarius Spheroidal Antlia II Boötes I Boötes II Boötes III Canes Venatici I Canes Venatici II Canis Major Carina Coma Berenices Crater 2 Draco Eridanus II Fornax Hercules Leo I Leo II Leo IV Leo V Leo T Pisces Overdensity Pisces II Reticulum II Segue 1 Segue 2 Sculptor Sextans Triangulum II Ursa Major I Ursa Major II Ursa Minor Virgo I Willman 1

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