Is Mars Habitable? by Alfred Russel Wallace

Is Mars Habitable? by Alfred Russel Wallace

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In 1907 Wallace wrote the short book Is Mars Habitable? to criticize the claims made by Percival Lowell that there were Martian canals built by intelligent beings. Wallace did months of research, consulted various experts, and produced his own scientific analysis of the Martian climate and atmospheric conditions. Among other things Wallace pointed out that spectroscopic analysis had shown no signs of water vapor in the Martian atmosphere, that Lowell’s analysis of Mars’ climate was seriously flawed and badly overestimated the surface temperature, and that low atmospheric pressure would make liquid water, let alone a planet girding irrigation system, impossible.
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In 1907 Wallace wrote the short book Is Mars Habitable? to criticize the claims made by Percival Lowell that there were Martian canals built by intelligent beings. Wallace did months of research, consulted various experts, and produced his own scientific analysis of the Martian climate and atmospheric conditions. Among other things Wallace pointed out that spectroscopic analysis had shown no signs of water vapor in the Martian atmosphere, that Lowell’s analysis of Mars’ climate was seriously flawed and badly overestimated the surface temperature, and that low atmospheric pressure would make liquid water, let alone a planet girding irrigation system, impossible.
...Read More
Episodes (345)
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0 – Preface

02 Jan 2021 | 05 mins 23 secs

0 – Preface

02 Jan 2021 | 05 mins 23 secs

1 – Early Observers of Ma...

01 Jan 2021 | 09 mins 51 secs

1 – Early Observers ...

01 Jan 2021 | 09 mins 51 secs

2 – Mr. Lowell’s Discover...

31 Dec 2020 | 13 mins 47 secs

2 – Mr. Lowell’s Dis...

31 Dec 2020 | 13 mins 47 secs

3 – Climate & Physiograph...

30 Dec 2020 | 26 mins 35 secs

3 – Climate & Physio...

30 Dec 2020 | 26 mins 35 secs

4 – Is Animal Life Possib...

29 Dec 2020 | 10 mins 46 secs

4 – Is Animal Life P...

29 Dec 2020 | 10 mins 46 secs

5 – Temperature on Mars –...

28 Dec 2020 | 25 mins 16 secs

5 – Temperature on M...

28 Dec 2020 | 25 mins 16 secs

6 – A New Estimate of the...

27 Dec 2020 | 35 mins 51 secs

6 – A New Estimate o...

27 Dec 2020 | 35 mins 51 secs

7 – A Suggestion as to th...

26 Dec 2020 | 39 mins 06 secs

7 – A Suggestion as ...

26 Dec 2020 | 39 mins 06 secs

8 – Summary and Conclusio...

25 Dec 2020 | 14 mins 30 secs

8 – Summary and Conc...

25 Dec 2020 | 14 mins 30 secs

0 – Preface

06 Dec 2020 | 05 mins 23 secs

0 – Preface

06 Dec 2020 | 05 mins 23 secs

0 – Preface

05 Dec 2020 | 05 mins 23 secs

0 – Preface

05 Dec 2020 | 05 mins 23 secs

0 – Preface

04 Dec 2020 | 05 mins 23 secs

0 – Preface

04 Dec 2020 | 05 mins 23 secs

0 – Preface

03 Dec 2020 | 05 mins 23 secs

0 – Preface

03 Dec 2020 | 05 mins 23 secs

0 – Preface

02 Dec 2020 | 05 mins 23 secs

0 – Preface

02 Dec 2020 | 05 mins 23 secs

0 – Preface

01 Dec 2020 | 05 mins 23 secs

0 – Preface

01 Dec 2020 | 05 mins 23 secs