有些脉冲星表比地球上最精确的时钟还准。
Some pulsars keep time better than the Earth's most accurate clocks.
从可见光扩展到无线电波，再到X 射线和伽马射线，天文学总是会发现不寻常的物体，如射电星系、类星体和脉冲星。
The extension of astronomy from visible light to radio waves to x-rays and gamma rays never failed to lead to the discovery of unusual objects such as radio galaxies, quasars, and pulsars.
有一个物体叫做，蟹状星云脉冲星。
我们知道脉冲星周期，的精确度很高。
We know the period of the pulsar to a very high degree of accuracy.
这是蟹状星云脉冲星的数据。
蟹状星云脉冲星的,质量和太阳不差太多。
The mass of the Crab Pulsar is not too different from that of the sun.
蟹状星云脉冲星变慢。
这个脉冲星本身，生成了，6乘以10的31次方瓦。
This pulsar alone, however, generates the six times 31 watts.
我们知道这是行星，这是脉冲星，我们知道它不是行星。
And we do know that it is this star that is the pulsar and we know that it is not that star.
这是脉冲星，这里的红丝，就是爆炸发生时，放出的物质。
This, by the way, is the pulsar, and the red filaments that you see here is material that was thrown off when the explosion occurred.
含有脉冲星和吸积盘的双星系统出现在大约1430的位置。
Binary star systems containing a pulsar and an accretion disk occur beginning at about 14:30.
脉冲星是某一恒星群发生爆炸形成超新星后所遗留下来的密核。
Pulsars are the dense cores left over after stars of a certain mass explode into supernovae.
脉冲星在尾巴末端右上角的位置，可以通过仔细搜寻图像查看到。
The position of the pulsar at the upper right end of the tail is seen by mousing over the image.
例如，被称为脉冲星的自旋中子星发射出像钟摆一样的电磁脉冲。
For example, spinning neutron stars called pulsars emit clocklike streams of electromagnetic pulses.
脉冲星和超新星似乎在大约900的位置上，而且确实相当壮观。
Pulsars and supernovas seem to take over at about 9:00 and are truly spectacular.
直至2007年，在这颗脉冲星周围轨道上已有三颗系外行星被确认。
As of 2007, three extrasolar planets have been confirmed in orbit around this pulsar.
这个物体，这蟹状星云的脉冲星，辐射出丰富的x射线，以及伽马射线。
And this object, this pulsar in the Crab Nebula is radiating copious amounts of x-rays, of gamma rays.
蟹状星云脉冲星本身，散发的能量比太阳多，150000倍。
So the Crab Pulsar alone generates about 150,000 times more power than the sun.
蟹状星云脉冲星是脉冲星风星云中最为著名的一个，但它已经950岁了。
The Crab pulsar, the best-known example of a bright pulsar wind nebula, is about 950 years old.
脉冲星并不是一种正常的恒星，它是超新星爆炸后留下的高密度快速旋转的残余部分。
A pulsar is not a normal star, but a dense, rapidly spinning remnant of a supernova explosion.
这颗脉冲星生来奇特，它是一颗旋转速度约10000rpm的星体的超高密度残骸。
The pulsar is exotic on its own—it's a super-dense remnant of a star spinning at about 10, 000 rpm.
这颗快速旋转的恒星是脉冲星，也就是大质量恒星爆炸后经内部坍缩形成的超高密度星体。
The fast-spinning star is a pulsar, a superdense chunk of matter left over when a massive star explodes, then collapses in on itself.
鉴于脉冲星规律的射电及X射线脉冲并未发生改变，因此学者们怀疑波动源自于星云的内层。
Since the pulsar's regular radio and X-ray pulses have not altered, researchers suspect that the fluctuations originate in the inner portion of the nebula.
天文学家仍然致力于寻找太空中新的声源：黑洞碰撞，脉冲星干扰，伽马射线爆破。
Astronomers keep discovering new noisemakers in space: colliding black holes, glitching pulsars, gamma ray bursts.
例如，PSRJ1302-6350是一颗脉冲星（pulsar），所以用“PSR”。
在20世纪60年代被发现并命名“脉冲星”之前，他们有一个绰号叫“小绿人”（LGM）。
When pulsars, as they became named, were discovered in the 1960s, they were nicknamed LGM for "little green men.
在星云的正中心有一个脉冲星：一个中子星，它拥有和太阳类似的质量而只有一个小村庄那么大。
In the nebula's very center lies a pulsar: aneutron star as massive as the Sun but with only the size of a smalltown.
这次发现是来自一项探索、研究宇宙中脉冲星的大型国际探索项目，而这个项目还远未结束。
But the find was part of a major international search designed to look for and study pulsars across the sky - and that search is far from over.
或者，你可以乘上一艘星际飞船航行到四千光年以外的死亡星球——J 1719- 1438脉冲星。
Or you could hop in a starship and cruise 4, 000 light years over to a dead star called pulsar J1719-1438.
或者，你可以乘上一艘星际飞船航行到四千光年以外的死亡星球——J 1719- 1438脉冲星。
Or you could hop in a starship and cruise 4, 000 light years over to a dead star called pulsar J1719-1438.
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