The Hubble telescope was launched into space by NASA on April 20,1990 at a cost of over a billion dollars.

at a cost of … ^{造价为…，耗资，以…的价格/费用}

• He has just built a new house for his family at a cost of $10,000.

NASA = National Aeronautics and Space Administration ^{(美国)国家航空和宇宙航行局（单词縮写一般都是组织或者机构）}

• The growth mainly came from China's forest protection programs, NASA said.^{NASA 说，增长主要来自于中国的森林保护计划。}

Right from the start there was trouble with the Hubble.

right from the start ^{从最开始（right 起强调作用）}

• He didn’t want to work at the firm (right) from the start.
• She is here. → She is right here. 
• from the start ^从一开始 → right from the start ^自始至终

trouble with… ^{关于…有麻烦}

• What's the trouble with you? ^{你有什么麻烦? (医生常这样问)}
• There is (engine) trouble with my car. ^{伴随着麻烦}

The pictures it sent us were very disappointing because its main mirror was faulty!

分析长难句的步骤：

1. 准备：数谓语动词
2. 断开：标点 / 连接词 / 分析主谓

NASA is now going to put the telescope right, so it will soon be sending up four astronauts to repair it.

put sth. right ^{修好（故障等），校正，纠正}

• Remember to put the lights right tomorrow.

send up ^往上送

• They will send up another satellite into space next year.^{明年他们将发送另一颗人造卫星到太空。}
• They are determined to send up another man-made satellite.^{他们决定发射另一颗人造卫星。}

A robot-arm from the Endeavour will grab the telescope and hold it while the astronauts make the necessary repairs.

hold it ^抓住它

it will soon be sending us the clearest pictures of the stars and distant galaxies that we have ever seen.

the + adj.最高级 + n. + sb. + have ever done  ^{曾经做过的最xx的事。}

• It is one of the ugliest faces I have ever seen.
• 'This is the prettiest carpet I have ever seen,' she said.
• Unfortunately, the show was one of the dullest we have ever seen.

The Hubble will tell us a great deal about the age and size of the universe.

By the time you read this, the Hubble's eagle eye will have sent us thousands and thousands of wonderful pictures.