Alex Pope,Northamptonshireand
1. 钢筋锚固检测委托单中见证取样人员无委托授权，取样人员未签字。（违反《建设工程质量检测管理办法》（部令第57号）第二十条。）
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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.
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