每十年至少有一颗超新星在我们的银河系中出现。
银河系中的超新星最有可能是大多数宇宙射线到达地球的来源。
Supernovas in the Milky Way are the likeliest source for most of the cosmic rays reaching Earth.
一个从左延伸至右穿过整幅图片的浅蓝色光可能是由超新星喷发出的气体的集结体。
A bluish ribbon of light stretching from left to right across the picture might be a knot of gas ejected by the supernova.
然后，它们像超新星一样爆炸。
这是保罗·格雷第七次发现超新星。
尘埃是老年恒星风暴和超新星的产物。
Dust is produced from the winds of aging stars and from the aftermath of supernovae.
现在考虑一次超新星爆发。
规模较小的光回音可在超新星附近看见。
特别是超新星1987a。
而是来自遥远的超新星和其他非常远的源。
It comes from observations of supernovae and other very distant sources.
你见过超新星的照片么？
这颗恒星随后发生爆炸，成为II型超新星。
超新星有两类：I型和II型。
超新星能短暂地发出相当于整个星系亮度的光。
Supernovas can briefly shine as brightly as an entire galaxy.
最亮的超新星在400年内类似于一串宇宙珍珠。
The brightest supernova in 400 years resembles a cosmic string of pearls.
超新星的残缺是一个重要的未解之谜。
我有一点激动，也许我发现了一颗超新星。
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.
毕竟中子星并没有黑洞、大爆炸、超新星等等那么极端。
Neutron stars are, after all, a little less extreme than black holes, Big Bangs and supernovae...
现在，这条产生超新星的途径必须要得到更加仔细的研究。
Now this path to supernovae will have to be investigated in more detail.
超新星是一类剧烈爆炸的恒星，爆发之后它变得极为明亮。
Supernovas are a class of violently exploding stars that become super bright after eruption.
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?
第二个最新产生的超新星据说在1680年左右就存在了。
The second most recent supernova is believed to have occurred around 1680.
科学家们通过研究那些超新星去测量宇宙膨胀随时间的变化。
They were using these supernovae to measure how the universe's expansion is changing with time.
最近，那些疯狂的科学家们甚至在试管里搞出一个“超新星”！
Most recently, those crazy scientists have even recreated a 'supernova' in a test tube!
研究队伍用定位距离地球最远的超新星的办法来绘制宇宙地图。
The research teams raced to map the Universe by locating the most distant supernovae.
星系的红外亮度让小组成员可以估计出超新星发生的预期速率。
The infrared brightness of the galaxies allowed the team to estimate how many supernovae should occur.
比如说，也许超新星在过去是不同的，这使得宇宙看起来是加速的。
Maybe supernovas were different in the past, for example, which made it look like the universe was accelerating.
许多研究表明，超新星必须距离我们约75光年以内才会危害我们。
Numerous studies indicate that a supernova would have to be closer than about 75 light years to do us any harm.
哈勃的集群透镜和超新星调查显示将暗物质的分布分成了25个部分。
Hubble's cluster Lensing and Supernova Survey - CLASH - is charting the distribution of dark matter in 25 clusters.
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