| 1. | The remnant nebular gas pervades the interplanetary space .
星云的残余气体充斥星际空间。 |
| 2. | The investigation of dark nebulas has been facilitated by a new discovery .
对暗星云的研究被一种新发现所推进。 |
| 3. | Many objections can be raised to this picture of planetary nebula formation .
形成行星状星云的这一图像可能会引起许多异议。 |
| 4. | Precise thermodynamic equilibrium may never be achieved in a microscopic realm within gaseous nebulae .
精确的热动平衡永远不会在气体星云的一个微观范围内达到。 |
| 5. | Hubble ' s view of the nebula shows star birth in a new level of detail
“哈勃”对该星云的观察将恒星的诞生细节提到了新的水平。 |
| 6. | 1 the clouds from which stars are born are as dense as the space around earth
孕育恒星的星云的密度和环绕地球的太空的密度是一样的。 |
| 7. | Much of it is due to the heat of the stars and of clouds of dust and gas called nebulae
多数来自炽热的恒星和被称为星云的气体、尘埃。 |
| 8. | Since then , the picture has steadily gotten far more complicated ? and far more interesting
从那时起，行星状星云的图像就渐渐变得非常复杂，并且饶富趣味。 |
| 9. | The top of the keyhole nebula , the most prominent feature embedded inside carina , is on the left
深植于船底座中最显著的结构“锁眼”星云的顶部处在左边。 |
| 10. | The top of the keyhole nebula , the most prominent feature embedded inside carina , is on the left
深植在船底座星云内部最显著的特征“锁眼”星云的顶端位于图像左侧。 |
