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.
Skip 熱讀 and continue reading熱讀
，推荐阅读同城约会获取更多信息
2026-02-28 00:00:00:03014273810http://paper.people.com.cn/rmrb/pc/content/202602/28/content_30142738.htmlhttp://paper.people.com.cn/rmrb/pad/content/202602/28/content_30142738.html11921 本版责编：白真智 刘梦丹 刘子赫 闵方正
The UK government is under a legal obligation to reduce carbon emissions to net zero by 2050, after a law change passed in 2019 with cross-party support.