Located about 5,000 light years from Earth, this composite image shows the Rosette star formation region.
这幅图像显示了距地球5000光年的罗赛塔星云的恒星诞生区域。
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Since the EPF can enhance anti-lymphocyte serum inhibited T cell rosetteformation, therefore, the rosette inhibition test is the classic method of detecting EPF activity.