单词：Vinayil
单词：Vinayil 相关文章
We live amongst 200 billion stars, in the Milky Way galaxy, a vast cosmic city. The earth is located in a quiet neighborhood, in a safe neck of the woods. But what if we could take our planets on a journey through the galaxy? What wonders would be se
自然百科2011年
Now, of course, I can't show you a picture of the galaxy on our screen. We can't fly above the galaxy and take a picture of it, and show you. We're stuck in the disc of the galaxy, but we can still image it from the ground, in fact, this image is a p
自然百科2011年
By comparing the detailed images, Hubble has taken another spiral galaxy. With the best images of our own taken from the ground, and by using satellites to measure the distance and density of stars in different directions, astronomers have been able
自然百科2011年
This is a picture of the Orion Nebula in visible light. We can see all of the gas here located in front of what we know are stars in the background, and we want to be able to look inside this nebula/ and see the stars. In infrared light in this image
自然百科2011年
By David McAlary Washington 12 January 2006 As astronomers detect more and more planets outside our solar system, they are finding that many of them have more than one sun, unlike Earth and its compan
2006年VOA标准英语（一月）
April 1st is an unofficial holiday in the United States called April Fool's day. In the past, April 1st used to be celebrated as the New Year. And then in the year, I think, 1592, or something like that, the official New Year was changed to January 1
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