通过对组合数据的分析，威廉姆斯团队重建了此星系大范围的恒星形成历史图像。
By analyzing the combined data, Williams and the team then reconstructed the star-making history for large areas of the galaxy.
WFC3的光谱范围从紫外线到近红外线，揭示了恒星不同的演化阶段，这使天文学家得以剖析星系的恒星形成历史。
WFC3's broad wavelength range, from ultraviolet to near-infrared, reveals starsat different stages of evolution, allowing astronomers to dissect the galaxy'sstar-formation history.
我们认为，是A2255中子团的并合历史导致了星系团中星系与星系之间的碰撞概率增加，从而使团中心附近的晚型星系的恒星形成活动增加了。
Compared with the merging cluster A2255, the star formation history for the late-type cluster galaxies is likely closely related to the virialization stage of parent cluster.
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