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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.

File info

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

Individual images

see http://gallery.spitzer.caltech.edu/Imagegallery/image.php?image_name=sig07-006 High quality tif files also avaliable.

授權條款

Public domain 本作品由NASA創作,屬於公有領域。根據NASA的版權政策:“NASA的創作除非另有聲明否則不受版權保護。”(參見:Template:PD-USGov/zhNASA版權政策JPL圖像使用政策
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目前2007年12月21日 (五) 05:23於 2007年12月21日 (五) 05:23 版本的縮圖3,086 × 1,711(6.23 MB)AzaTothremake form original
2007年7月11日 (三) 20:36於 2007年7月11日 (三) 20:36 版本的縮圖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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