Star formation explosions in the Orion Nebula, composite image from the Atacama Large Millimetre Array (ALMA). Stellar explosions are most often associated with supernovae, the explosive deaths of stars. ALMA observations of the Orion Nebula complex provide insights into explosions at the other end of the stellar life cycle, star birth. Astronomers captured these images of the remains of a 500-year-old explosion as they explored the debris from the birth of a group of massive stars, demonstrating that star formation can be a violent and explosive process too. The colours in the ALMA data represent the relative Doppler shifting of the millimetre wavelength light emitted by carbon monoxide gas. The blue colour in the ALMA data represents gas approaching at the highest speeds; the red colour is from gas moving toward us more slowly. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / EUROPEAN SOUTHERN OBSERVATORY |
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