单词：supernovae
supernovae的用法和样例：
例句
- Smaller light echoes have been seen around supernovae.在超新星旁边就曾经观察到过小型的余辉。
- These objects include variable stars as well as supernovae.这些物体包括象超新星这样的变星。
单词：supernovae 相关文章
This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? The 2011 Nobel Prize in Physics goes to Saul Perlmutter at the Lawrence Berkeley National Lab, Brian Schmidt at the Australian National Lab and Adam Reiss at Johns Hopki
Scientific American(十)月
To understand how these calamities occur, astronomers need to catch a massive star in its death throes. Astronomers are like detectives. We have to figure out what's going on in the universe, sometimes based on a minimum number of clues. And in the c
自然百科2011年
We are at a foundry here, and they are pouring molten iron from all machinery. And they are going to make parts for new machines out of that iron, so they are recycling yet, but all that iron was created and ejected into the cosmos by gigantic stars
自然百科2011年
And takes dedication perseverance and a love of the thrill of the chase, not just any kind of astronomer but a supernovae hunter, and one with perfect timing.You know usually nothing much happens in astronomy, stars live for millions or billions of y
探索与发现2015年
And so i can see that there is hydrogen being produced by the supernova, and over here the yellow orange light is due to glowing atoms of sodium, it's the same sodium glow that we saw when I sprinkled the chemical into the fire, these ones here in th
探索与发现2015年
Bloating in old age to become red giants;their cores contracting into white dwarves; The most massive ones exploding as supernovae; Fleeing the elements they have created, out into space to form the materials for the next generation of stars. But tha
探索与发现2015年
There's something satisfying, I think, Evans said, about the idea of light traveling for millions of years through space and just at the right moment as it reaches Earth someone looks at the right bit of sky and sees it. It just seems right that an e
万物简史
So when a hopeful and softspoken minister got in touch to ask if they had any usable field charts for hunting supernovae, the astronomical community thought he was out of his mind. At the time Evans had a ten-inch telescopea very respectable size for
万物简史
By Cindy Saine Washington 14 May 2008 Scientists have announced the discovery of the youngest known exploding star, or supernova, in our Milky Way galaxy. Astronomers say the remnant of the most recent supernova could provide clues to a long-standing
VOA标准英语2008年（五月）