"But I'm going to tell you it is harder to be a parent than to be a space shuttle commander," she laughs.
It's not yet clear why researchers decided to point Webb in its direction, but little is known about the nebula, including the mass of the star creating it. That matters because a more massive star could eventually explode as a supernova, while a smaller, sun-like star would keep shrugging off layers of material until only a dense core remains and cools over time.，更多细节参见heLLoword翻译官方下载
February 27, 2026 at 2:32 PM UTC，更多细节参见搜狗输入法下载
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2024年12月23日 星期一 新京报