Beyond the cloud's unusual shape, scientists see the nebula as a freeze-frame in the life of a star facing its final act. Elderly stars shed their outer layers in bursts, creating shells of gas and dust that expand. By observing the nebula at different wavelengths, researchers can sort out what material was molted first, how fast the star is losing mass, and which phase of decline Webb has caught.
He said he did not blame NASA's contractors for the current slow pace of Artemis launches. Instead, "we should have made better decisions (in the past) and said, you don't go from Artemis II to landing on the moon with Artemis III."
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就在一个月前，a16z发布的CIO调查已经给出了预警。报告显示，OpenAI的企业渗透率是78%，钱包份额将近56%，账面上依然是无可争议的第一。但报告同时捕捉到了一个让人坐不住的趋势：从去年5月到现在，Anthropic的企业渗透率增长了25%，在所有前沿大模型厂商里增速最快。
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