In our Galaxy the expected rate of supernovae is about one in every fifty years or so, although it is only the relatively nearby ones that are expected to be visible optically, due to obscuration. Over the last two thousand years or so there are historical records of nine Galactic super...
The occurrence of a supernova in our Galaxy is a rare event - only six such supernovae were registered during the past millennium. Although their remnants have been extensively studied, the nature of the original explosions is the subject of debate. Supernovae are classified into different ...
At least one supernova occurs per decade in our galaxy. 在我们的星系中每10年至少有一颗超新星出现。 来自辞典例句 28. The chances of a planet surviving a supernova always looked terribly slim. 行星躲过超新星爆发的几率总是十分渺茫。 来自柯林斯例句 点击展开全部例句 拍照翻译 语音翻译 智能背词 下...
How likely is Betelgeuse to go supernova in our lifetime? With a promise of such a spectacle, it is no surprise that skywatchers wish for Betelgeuse to die. The last time a massive star went supernova in our galaxy, theMilky Way, was in the era of the famous astronomerJohannes Kepler....
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But there's still more to discover. The supernova isn't over yet, and new data is still coming in. Where is all the material going to go? What will it eventually make? Well, it was the materials spread by supernova in the distant past that eventually created the Milky Way, our sola...
超新星会向宇宙放射不同种类的元素. 来自《简明英汉词典》 4. At least one supernova occurs per decade in our galaxy. 在我们的星系中每10年至少有一颗超新星出现。 来自辞典例句 5. Supernova explosions are immensely complicated events. 超新星爆发是非常复杂的事件. 来自辞典例句Copyright...
A supernova occurs on average once every 25 to 100 years in the Milky Way Galaxy. Despite the odds, no supernova in our Galaxy has been observed from Earth since the invention of the telescope. However, one nearby supernova (SN 1987A) has been observed in a neighboring galaxy, the Larg...
supernova•Moderndetectorswhich should becapableofdetectingthegravitationalwaves from asupernovacollapsein ourGalaxyare described.•These arecolossaloutbursts: at itspeakasupernovamay become at least fifteen million times asluminousas theSun.•Anothertheorysuggests that asupernovaexplosionoccurred,destroyin...
During the lifetime of our Milky Way galaxy, there have been something like 100 million supernova explosions, which have enriched the Galaxy with the oxygen we breathe, the iron in our cars, the calcium in our bones and the silicon in the rocks beneath our feet. These exploding stars also...