Orion arm


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Orion arm

See Galaxy.

Orion arm

[ə′rī·ən ‚ärm]
(astronomy)
The spiral arm of the Milky Way Galaxy that has a spur in which the sun is located. Also known as local arm.
References in periodicals archive ?
The Solar System is located within the disk, about 27,000 light-years from the Galactic Center, on the inner edge of one of the spiral-shaped concentrations of gas and dust called the Orion Arm. The stars in the inner ee10,000 light-years form a bulge and one or more bars that radiate from the bulge.
Our solar system is located on the inner edge of the Orion Arm of the Milky Way Galaxy.
Danger to their own Orion Arm has been detected, although through unreliable channels, and information about this threat is believed to be found in the Sagittarius Arm along with the possibility of Builder artifacts.
Our solar system is currently passing through one of our galaxy's lesser spiral arms, which is called (among many other aliases) the Orion-Cygnus Arm, Local Arm, Orion Arm, or Orion Spur.
And the Orion-Cygnus Arm is often called the Orion Arm, Orion Spur, or Local Arm.
This is because the Orion Arm of the Milky Way, on whose edge we reside, crosses our sky on winter evenings.
NGC 1513 is 4,300 light-years away, on the opposite side of the Orion Arm from our solar system.
Visitors looking for home should head toward the Orion Arm. Once there, nestled along the inside edge, is a croton plant that cradles our solar system.
Some 28,000 light-years from the galactic center, or roughly a third of the way from the center to the outer edge, we are within what is known as the Orion Arm.
The Crescent Nebula lies about 4,700 light-years from Earth, deep within our galaxy's Orion Arm. This annular nebula circumscribes a 7th-magnitude Wolf-Rayet star known as HD 192163 (the rightmost or southernmost star in the bright central diamond seen at right).
Then of the entire solar system traveling roughly northward, with the rest of the Orion Arm of the Milky Way, "upward" around the vast Ferris wheel of our galaxy.
You'd be in the midst of as many as several hundred stars per cubic light-year, which is hundreds of time denser than what we experience here in the local Orion Arm of the Milky Way.