现在考虑一次超新星爆发。
超新星爆发是非常复杂的事件。
超新星爆发会瓦解双星系统。
行星躲过超新星爆发的几率总是十分渺茫。
The chances of a planet surviving a supernova always looked terribly slim.
图中这颗伴星显然从创造黑洞的超新星爆发中幸存下来。
The companion star had apparently survived the original supernova explosion that created the black hole.
红巨星难道是在某天早晨醒来后忽然决定进行超新星爆发?
Does a red giant wake up one morning and suddenly just decide to go supernova?
现在考虑一次超新星爆发。特别是超新星1987a。
Now consider a supernova explosion. In particular, consider supernova 1987a.
舒尔茨·马库奇说,“小行星冲撞或者超新星爆发都能威胁到我们。
在超新星爆发中,金子可能会变成铅,但不可能反过来。
In a supernova gold may be made into lead, but not the other way around.
问题是超新星爆发会把它的前身天体资料几乎全部抹掉。
The problem is that a supernova blast pretty much eradicates all evidence of what the progenitor star was.
在超新星爆发的复杂动力学中,电子俘获起着关键的作用。
Electron capture plays a pivotal role in the complex dynamics of supernova explosion.
在其衰老过程中因自身质量过大而向内垮塌(超新星爆发)。
In their aging process, they collapse inward due to their excessively large mass (supernova explosion).
这些中期元素借助恒星风或是超新星爆发逃跑成功又让下一代的恒星捡了去。
Those processed elements escaped in stellar winds or supernova explosions and then got picked up by subsequent generations of stars.
这些恒星的核心部分塌缩导致剧烈的超新星爆发,恒星的外层物质被抛向宇宙空间。
The cores of these stars collapse, leading to a violent supernova explosion where the outer layers of the star are expelled into space.
Ia超新星爆发时辐射的能量几乎相等,因而具有几乎相同的本征亮度。
Type Ia supernovae all explode with nearly the same amount of energy and therefore have almost the same intrinsic brightness.
超新星爆发以后,剩余的物质可能塌缩为一个黑洞,也可能形成一颗密度极大的中子星。
After the supernova, the leftover matter could either have collapsed into a black hole or an extremely dense neutron star.
确实,Cheng预计银河中心激震前沿的能量将近是超新星爆发产生的能量的一百倍。
Indeed, Cheng expects that the energy of the shock front at the galactic centre is nearly 100 times greater than that created by a supernova explosion.
这幅图片表明,这个超新星爆发是在恒星形成区内部繁杂密集的环境当中发生的。
It indicates that the supernova explosion took place in the complicated and dense environment of a star-forming region.
创造并散播重元素的超新星爆发同样释放出一股高能辐射的激流:伽玛射线,X射线,紫外线。
The supernova explosions that create and spread heavy elements also unleash a torrent of high-energy radiation: gamma rays, X-rays, and ultraviolet light.
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.
被认为是它的点源模型有:太阳、超新星爆发、白矮星和脉冲星(告诉旋转的中子星)等。
Up to now, there are not definite source models of cosmic rays though they come from the Sun, supernovas' explosion, the white dwarfs and pulsars, et al.
但是,要验证这项理论却非常困难,因为自1680年起银河系内就不曾发生超新星爆发事件。
Testing this theory has been difficult, however, because no supernova has gone off in our galaxy since 1680.
作为应用,本文分析了矮星系并合形成大星系这一模型中成团超新星爆发时能量传播的各个阶段。
As an application, we analyze the energy propagation during collective SN explosions in a merging model of galaxy formation.
作为银河系中已知的最年轻的中子星,Cas a诞生于330年前天文学家可能观测到的一次超新星爆发中。
The youngest known neutron star in the Milky Way, Cas a was born in a supernova explosion that astronomers may have spotted 330 years ago.
在银河系拥挤的中心区域存在着大量的大质量恒星,频繁的超新星爆发使得复杂生命形式的产生不是不可能就是极度困难。
In the crowded central regions of the galaxy, home to large Numbers of massive stars, supernovas are so common that the evolution of complex life-forms might be difficult if not impossible.
在1987年2月23日,天文学家获得了次佳的机会:银河系的卫星星系大麦哲伦云中,发生了一次超新星爆发。
On February 23, 1987, astronomers got the next best thing: a supernova in one of the Milky Way 's satellite galaxies, the large Magellanic cloud.
大质量恒星在超新星爆发中结束了自己的生命并将重元素喷洒进太空中,它们将在那里重新结合成下一代的恒星及其周围的行星。
Massive stars end their lives with supernova explosions that spray the heavy elements into space, where they are incorporated into the next generation of stars and help seed the formation of planets.
大质量恒星在超新星爆发中结束了自己的生命并将重元素喷洒进太空中,它们将在那里重新结合成下一代的恒星及其周围的行星。
Massive stars end their lives with supernova explosions that spray the heavy elements into space, where they are incorporated into the next generation of stars and help seed the formation of planets.
应用推荐