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Explanation: Why are bullets of gas shooting out of the Orion Nebula? Nobody is yet sure. First discovered in 1983, each bullet is actually about the size of our Solar System, and moving at about 400 km/sec from a central source dubbed IRc2. The age of the bullets, which can be found from their speed and distance from IRc2, is very young -- typically less than 1,000 years. As the bullets rip through the interior of the Orion Nebula, a small percentage of iron gas causes the tip of each bullet to glow blue, while each bullet leaves a tubular pillar that glows by the light of heated hydrogen gas. Pictured above, the Orion bullets were captured in unprecedented detail by the adaptive optics technology of the Gemini North telescope. M42, the Orion Nebula, is the closest major star forming region to us and filled with changing dust, gas, and bright stars. The Orion Nebula, is located about 1,500 light years away and can be seen with the unaided eye toward the constellation of Orion.
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NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.
Based on Astronomy Picture
Of the Day
Publications with keywords: Orion Nebula
Publications with words: Orion Nebula
See also:
- APOD: 2025 August 13 Á Trapezium: In the Heart of Orion
- APOD: 2025 April 20 Á The Orion Nebula in Visible and Infrared
- APOD: 2024 November 4 Á M42: The Great Nebula in Orion
- APOD: 2024 September 10 Á Horsehead and Orion Nebulas
- Trapezium: At the Heart of Orion
- APOD: 2023 October 10 Á Hidden Orion from Webb
- Orion and the Running Man