飞向天空的气球 英汉读本PDF电子书下载

1 Inventing the Balloon 5

2 Exploring the Lower Atmosphere 11

Blue Hill Observatory 15

Meteorological Balloons 16

Plooution Drift 19

3 Soaring into the Upper Atmosphere 21

The Pressurized Gondola 25

New Balloon Materials 34

4 Investigating the Stratosphere 35

The Ozone Layer 37

Cloud Cover 40

Sulfuric Acid Drift 40

Technological Problems 40

5 Studying the Cosmos 41

BalloonBorne Telescopes 43

Vega 1 and Vega 2 45

Astronomical Balloons 47

A Telescope for Space 52

6 Simulating Space Travel 53

7 Bringing Us Closer 57

8 The Future of the Balloon 59

中译文 61