您要查找的是不是：
- extragalactic supernova 河外超新星
- The supernova explosion disrupts the binary. 超新星爆发会瓦解双星系统。
- Extragalactic nebula is invisible to the naked eye. 我们用肉眼是看不到河外星系的。
- X-ray emission of supernova remnants. 超新星遗迹的X射线辐射。
- Three Great Eyes on Kepler's Supernova Remnant. 开普勒超新星遗迹中的大三眼。
- Johnny Storm：Got it. Supernova - bad. 强尼：明白了。超新星不是很好。
- Have you ever seen picture of a supernova? 你见过超新星的照片么？
- "Extragalactic nebula" is a former name for "galaxy". “外星云”是“星系”的曾用名。
- Dark red dots mark the locations of supernova remnants**. 屏保中暗红的点表示已知的超新星遗迹**。
- Iron-60 is made by only one thing in nature -- a supernova. 铁60只能由自然界的一种物质生成--那就是超新星。
- NASA's Hubble Sees Brightest Supernova Explode Ever? 还有比超新星爆炸重要的新闻吗?
- Supernova explosions are immensely complicated events. 超新星爆发是非常复杂的事件。
- The Crab Nebula is the remnant of the supernova explosion in 1054. 蟹状星云是1054年超新星爆发后的遗骸。
- What will happen to the remains of the supernova explosion? 恒星在超新星爆发后又如何呢?
- A supernova sprays space with many different elements. 超新星会向宇宙放射不同种类的元素。
- The sun is about to go supernova and humanity must find a new home. 太阳马上就要变成一颗超新星，人类必须立刻找到一个新的家园。
- A nearby supernova might come through as a burst of static. 邻近的超新星可能听起来就像一阵天电爆丛；
- This image shows the entire region around the supernova. 这张图像显示了超新星周围的整个区域。
- We shall hardly even touch the captivating problems of modern extragalactic astronomy. 甚至几乎不涉及现代河外天文学中吸引人的课题。
- "A supernova sprays space with many different elements. 超新星会向宇宙放射不同种类的元素。
