书，适合研究生和研究人员打算，预防关于哪个开车送银河系的气体星反馈的不同物质机制的一有价值概述。
The book, intended for graduate students and researchers, provides a valuable overview on the different physical mechanisms which drive the galactic gas-stars feedback.
穿过小行星带继续前进，我们进入了气体巨行星区域：木星、土星、天王星、海王星，所有这些都使地球看起来像个侏儒。
Moving on through the asteroid belt we enter the realms of the gas giant planets: Jupiter, Saturn, Uranus, and Neptune, all of which dwarf the Earth.
木星、土星、天王星和海王星。这些都是气体行星，是太阳系的四个重量级。但曾经存在第五个行星吗？
Jupiter, Saturn, Uranus, and Neptune. Those are the gas giants, the four heavyweights of the solar system. But was there once a fifth?
黑洞中超级高温气体燃烧发出的白热光芒在星尘干涉下，会转变为红色。
The black hole's white-hot glow from super-heated gas is reddened by intervening dust.
很多氦离子紧绕在星核附近，等到这一时代的到来才开始从新吸入气体。
"A lot of them held on to their cores, and they had to wait until this period was done before they could start bringing in gas again," Shull said.
这个物体就是气体巨星天王星。
木星，土星，天王星和海王星。这些都是气体行星，太阳系的四个重量级。但曾经存在第五个行星吗？
Jupiter, Saturn, Uranus and Neptune. Those are the gas giants, the four heavyweights of the solar system. But was there once a fifth?
譬如说今日的(左上图)，气体巨型星海王星的重力通过对轨道就在行星们不远处的柯伊伯带的结冰尘埃和残骸拉扯制造出数个缺口。
Today (top left), for example, the gravity of the gas giant Neptune creates gaps by tugging at the icy dust and debris of the Kuiper belt, which orbits just beyond the planets.
如果继续往外空观察，我们会看到新形成的星团、幽灵般闪耀的热气体云，还有星尘——那些正在成形或已经消逝的星星留下的痕迹。
If we continue on through the stars, we would be able to see newly-formed clusters of stars and ghostly glowing clouds of gas and dust where stars are either forming or have recently died.
而图中环绕黑洞的灰色部分，被称为环体，它们由气体和星尘组成。
The grayish structure surrounding the black hole, called a torus, is made up of gas and dust.
发现这颗行星同样一组天文学家早些时候也发现另一颗行星，该行星同海王星类似，是一颗巨大的气体行星，围绕恒星运转的周期为5.4天。
The same team of astronomers who discovered it had earlier found another planet, this time a gaseous giant similar to Neptune, orbiting the same star every 5.4 days.
气体巨行星是像木星或海王星一类包含大量的气体物质的大的行星。
A large planet, like Jupiter or Neptune, that is composed largely of gaseous material.
如果继续往外空观察，我们会看到新形成的星团、幽灵般闪耀的热气体云，还有星尘——那些正在成形或已经消逝的星星留下的痕迹。
If we continued on through the stars, we would be able to see newly-formed clusters of stars and ghostly glowing clouds of gas and dust where stars are either forming or have recently died.
蝌蚪是由密集的寒冷的气体和星尘所组成的，大约10光年长，可能存在正在形成的恒星。
Composed of denser cooler gas and dust the tadpoles are around 10 light-years long, potentially sites of ongoing star formation.
就它们与恒星的距离而言，其石质行星核恐怕需要极其长的成型时间，以至于在星核能够俘获气体前周围的气态盘恐怕就已经消散殆尽了。
At their distances from the star, the rocky planetary core would have taken so long to form that the gaseous disk would have dissipated before the core could attract the gas.
极环星系是种稀有的星系类型，它们有着几乎和银盘平面垂直，呈环形公转的大量的恒星、气体和星尘。
A rare galaxy type, polar ring galaxies have a substantial population of stars, gas, and dust orbiting in rings nearly perpendicular to the plane of the galactic disk.
近期的恒星形成本身似乎由星风和超新星爆发触发，来自前代大质量恒星，清除和压缩了分子气体。
The recent star formation itself was likely triggered by winds and supernova explosions, from previous generations of massive stars, that swept up and compressed the molecular gas.
科学家发现了许多行星——例如轨道距离比水星距离太阳还近的被称为“炎热木星”的气体巨星，或者远古时代的脉冲星。
Scientists have discovered a zoo of planets — gas giants known as "hot Jupiters," for instance, that swing closer to their stars than Mercury does our sun, or ancient worlds circling pulsars.
这片星云本身环绕着部分被前景上的星尘所掩盖了的NGC 1893，这是一个年轻的恒星星系群，它给发光的气体提供了能量。
Partly obscured by foreground dust, the nebula itself surrounds NGC 1893, a young galactic cluster of stars that energizes the glowing gas.
费米气体由量子动力学描述，它被激光阱控制在某处，这使得科学家们能够模拟中子星内致密中子的状态。
The Fermi gas is governed by quantum dynamics and held in place by the laser trap, allowing the group to simulate the conditions of the tightly packed neutrons inside a neutron star.
这是一颗巨大的气体和大于海王星但不巨大的。
It is a gas giant and is larger than Neptune but less massive.
这个物体就是气体巨星天王星。
穿过小行星带继续前进，我们进入了气体巨行星区域：木星、土星、天王星、海王星，所有这些都使地球看起来像个侏儒。
Moving on through the asteroid belt we enter the realms of the gas giant planets: Jupiter, Saturn , Uranus and Neptune, all of which dwarf the Earth.
星轮的作用相当于往复活塞压缩机的活塞，当星轮齿在螺槽内相对运动时，封闭容积逐渐减小，气体受到压缩。
Equivalent to sing the role of round piston reciprocating piston compressor, when the satellite gear shafts relative motion at the Beaufort, the closed volume decreases, the gas being compressed.
星轮的作用相当于往复活塞压缩机的活塞，当星轮齿在螺槽内相对运动时，封闭容积逐渐减小，气体受到压缩。
Equivalent to sing the role of round piston reciprocating piston compressor, when the satellite gear shafts relative motion at the Beaufort, the closed volume decreases, the gas being compressed.
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