星云状态

例句：

1. 1. The star is in a gaseous state, unable to form a stable planetary system.
   这颗恒星处于气体状态，无法形成稳定的行星系统。
2. 2. The cosmologist believes that the universe is in a cosmological state of constant expansion.
   宇宙学家认为宇宙处于一个持续膨胀的宇宙学状态。
3. 3. The scientists observed the gaseous state of the nebula and its potential for future formation of stars.
   科学家们观察到了星云的气体状态及其未来形成恒星的潜在可能性。