To take these pictures, the telescope used a new tool called the Wide Field Camera 3, or WFC3. Like an ordinary camera, this one takes pictures using visible light. But in addition, it also records pictures at wavelengths the eye can not see, including ultraviolet(紫外线的) light and infrared(红外线的) light.moon. Because this part of the sky is so small and the WFC3 just started taking pictures this summer, the scientists say they're not sure that they'll find similar galaxies in every direction.

　　But they do believe WFC3 will give scientists some very interesting information about the early universe. “This is a golden moment.” says Ellis.

　　1. When did the Big Bang happen?

　　A. About 13 billion years ago.

　　B. About 13.7 billion years ago.

　　C. About 600?00 years ago.

　　D. About 4.5 billion years ago.

　　l2. Why do fewer bright galaxies exist in deep space?

　　A. Because the galaxies were too old.

　　B. Because the telescope can't take pictures of them.

　　C. Because the light of the galaxies can't be seen yet.

　　D. Because their light is blocked by those in closer regions.

　　3. The unique function of the WFC3 is that it can ______.

　　A. provide information of galaxies in every direction

　　B. be fixed on the outside of the Hubble Space Telescope

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