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 2020:
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AE posts:
2022: What’s to do on Mars?…
2021: New space company Planetopolis…
2020: Cruising in Space…
2019: The Doomsday Fallacy, SpaceX successes…
2018: I, Starship, atheism versus religion, the Copernican principle…
2017: Mars, Supercivilisations, METI…
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…
General essays:
Index to essays – including:
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)
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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.
The three key indexes I have chosen are:
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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