All Astronautical Evolution posts in 2016:

Elon Musk and Mars: Looking for a Snowball Effect (Oct.)

The Citizens’ Debate on Space for Europe (Sept.)

Creating a self-sustaining desert civilisation: Aridopolis (Aug.)

Lecture by Professor Wörner: United Space in Europe (July)

Brexit! Thoughts on the UK Referendum Result (July)

The Pillar versus the Pyramid (June)

The Way Forward (May)

Manned Spaceflight Statistics (April)

When Will Jan Wörner Get His Moon Village? (March)

Interstellar Travel and Straw Men (Jan.)

A Strategic Goal for Humanity on Earth and in Space in 2061 (Jan.)


Back to 2015:

Britain Takes the Wrong Approach to Manned Spaceflight (Dec.)

New in 2015:

Short story The Marchioness


AE posts:

2017: Mars…

2016: Stragegic goal for manned spaceflight…

2015: The Pluto Controversy, Mars, SETI…

2014: Skylon, the Great Space Debate, exponential growth, the Fermi “paradox”…

2013: Manned spaceflight, sustainability, the Singularity, Voyager 1, philosophy, ET…

2012: Bulgakov vs. Clarke, starships, the Doomsday Argument…

2011: Manned spaceflight, evolution, worldships, battle for the future…

2010: Views on progress, the Great Sociology Dust-Up…

Chronological index

Subject index


General essays:

Index to essaysincluding:

Talk presented to students at the International Space University, May 2016

Basic concepts of Astronautical Evolution

Options for Growth and Sustainability

Mars on the Interstellar Roadmap (2015)

The Great Sociology Debate (2011)

Building Selenopolis (2008)


= ASTRONAUTICAL EVOLUTION =

Issue 124, 12 April 2016 – 47th Apollo Anniversary Year

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Manned Spaceflight Statistics

55 years of men and women in space

On this year’s anniversary of Yuri Gagarin’s pioneering orbit of the Earth, we publish bar charts showing manned spaceflight statistics over the first 55 years of space travel.

Gagarin: the dream came true

The three key indexes I have chosen are:

Space stats

Note the following features:

It should be clear that no spacefaring civilisation worthy of the name can even begin to be constructed until all three charts show sustainable growth.


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