原始文件 (3,086 × 1,711像素,文件大小:6.23 MB,MIME类型:image/jpeg


摘要

This image from NASA's Spitzer Space Telescope shows infant stars "hatching" in the head of the hunter constellation, Orion. Astronomers suspect that shockwaves from a supernova explosion in Orion's head, nearly three million years ago, may have initiated this newfound birth.

The region featured in this Spitzer image is called Barnard 30. It is located approximately 1,300 light-years away and sits on the right side of Orion's head, just north of the massive star Lambda Orionis.

Wisps of red in the cloud are organic molecules called polycyclic aromatic hydrocarbons (PAHs). PAHs are formed anytime carbon-based materials are burned incompletely. On Earth, they can be found in the sooty exhaust from automobile and airplane engines. They also coat the grills where charcoal-broiled meats are cooked.

This image shows infrared light captured by Spitzer's infrared array camera. Light with wavelengths of 8 and 5.8 microns (red and orange) comes mainly from dust that has been heated by starlight. Light of 4.5 microns (green) shows hot gas and dust; and light of 3.6 microns (blue) is from starlight.

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描述 Young Stars Emerge from Orion's Head
日期
来源 http://gallery.spitzer.caltech.edu/Imagegallery/image.php?image_name=sig07-006
作者 ASA/JPL-Caltech/D. Barrado y Navascués (LAEFF-INTA)
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http://www.spitzer.caltech.edu/Media/mediaimages/copyright.shtml

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Public domain 本文件完全由NASA创作,在美国属于公有领域。根据NASA的版权方针,NASA的材料除非另有声明否则不受版权保护。(参见Template:PD-USGov/zhNASA版权方针页面JPL图片使用方针。)
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当前2007年12月21日 (五) 05:232007年12月21日 (五) 05:23版本的缩略图3,086 × 1,711(6.23 MB)AzaTothremake form original
2007年7月11日 (三) 20:362007年7月11日 (三) 20:36版本的缩略图3,086 × 1,711(1.88 MB)Anzibanonzi==Summary== This image from NASA's Spitzer Space Telescope shows infant stars "hatching" in the head of the hunter constellation, Orion. Astronomers suspect that shockwaves from a supernova explosion in Orion's head, nearly three million years ago, may ha

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