a massive star somewhere in our galaxy 我们的银河某处,有一个大质量的星体 runs out of fuel. 把燃料用光了。 This happens after millions of years of heat and pressure 会有这种情况,是因为数百万年来,高热和压力 have fused the star’s hydrogen 将该星体的氢气融入到更重的元素当中, into heavier ...
3) Are there multiple modes of star formation in galaxies (bulge vs. disk, burst vs. continuous) or does the Schmidt law explain everything? 4) How do we bring together our understanding of star formation in our Galaxy and in external systems? 展开 ...
Sincethe first exoplanet was discovered in 1992, Astronomers have found thousands of stars in our galaxy that have planets – more than 3200. Most of them are not visible to the naked eye. Also, most of those exoplanets are not the most exciting kind.The most exciting kind of exoplanets a...
The far IR coverage of Hi-GAL strongly constrains the physical properties of the YSOs. The large and unbiased spatial coverage of this survey offers us a unique opportunity to lead, for the first time, a global study of star formation triggered by HII regions in our Galaxy....
But Betelgeuse isn't the only red supergiant in our galaxy. Others, like Eta Carinae, might erupt in the sky first. In a galaxy the size of the Milky Way, statistically there should be a supernova every 50 or so years, explained Graur. But we haven't seen one actually happen in 400...
The Stars “rise” once-a-day – all night long, one after another and in groups. The Milky Way Galaxy “rises” twice a day – once on its bright (center) side and then 12 hours later on its dim (outer arm) side. We can orient our bodies to the rising of the Milky Way. And...
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Future observations of stellar orbits have the potential for detecting post-Newtonian effects in the short-period stars and should probe the distribution of orbital parameters at larger radii, which is key to understanding star and cusp formation around a central supermassive black hole....
This star is a real star in our galaxy and visible from the Earth. Buy and name a star in the sky in Africa & South Africa If you are living in Africa or South Africa, you’re probably interested in the Galaxy or Astronomy and if you’ve ever wondered “how to buy someone a ...
The size of our galaxy is only ten thousand times the distance to the nearst star and already that is two hundred thousand times the distance to the sun. 相关知识点: 试题来源: 解析 直译:银河系的大小是只有一万倍的距离到最近的恒星,而且以前的那个是20万倍的距离到太阳.活译:银河系的大小到...