保护地球，探索宇宙，发现文明
A starfield is dominated by light brown dust. In the middle is a parabolic gas cloud opening toward the lower right. A bright star is near the center at the apex of the parabolic gas cloud. Please see the explanation for more detailed information.
星空主要由浅棕色尘埃组成。中间是向右下方张开的抛物线气体云。抛物线气体云顶点中心附近有一颗明亮的恒星。有关更多详细信息，请参阅说明。
2023年9月19日 HH 211: Jets from a Forming Star Credit: NASA, ESA, CSA, Webb; Processing: Tom Ray (DIAS Dublin) Explanation: Do stars always create jets as they form? No one is sure. As a gas cloud gravitationally contracts, it forms a disk that can spin too fast to continue contracting into a protostar. Theorists hypothesize that this spin can be reduced by exp...