Anthropic Shadow: Observation Selection Effects and Human Extinction Risks
@article{Cirkovic2010AnthropicSO, title={Anthropic Shadow: Observation Selection Effects and Human Extinction Risks}, author={Milan M. Cirkovic and Anders Sandberg and Nick Bostrom}, journal={Risk Analysis}, year={2010}, volume={30} }
We describe a significant practical consequence of taking anthropic biases into account in deriving predictions for rare stochastic catastrophic events. The risks associated with catastrophes such as asteroidal/cometary impacts, supervolcanic episodes, and explosions of supernovae/gamma‐ray bursts are based on their observed frequencies. As a result, the frequencies of catastrophes that destroy or are otherwise incompatible with the existence of observers are systematically underestimated. We…
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References
SHOWING 1-10 OF 74 REFERENCES
Global Catastrophic Risks
- Physics
- 2008
Acknowledgements Foreword Introduction I BACKGROUND Long-term astrophysical processes Evolution theory and the future of humanity Millenial tendencies in responses to apocalyptic threats Cognitive…
Evolutionary catastrophes and the Goldilocks problem
- PhysicsInternational Journal of Astrobiology
- 2007
It is argued that observation-selection effects when applied to catastrophic processes make it very difficult for us to discern whether the terrestrial biosphere and evolutionary processes which created it are exceptional in the Milky Way or not.
Terrestrial paleoenvironmental effects of a late quaternary-age supernova
- Environmental Science, Geography
- 1981
Astrobiological Phase Transition: Towards Resolution of Fermi’s Paradox
- PhysicsOrigins of Life and Evolution of Biospheres
- 2008
A model of an astrobiological phase transition of the Milky Way, based on the concept of the global regulation mechanism(s), shows that the phase-transition model offers a rational motivation for continuation and extension of the present-day Search for ExtraTerrestrial Intelligence (SETI) endeavours.
NEOCATASTROPHISM AND THE MILKY WAY ASTROBIOLOGICAL LANDSCAPE
- Physics
- 2008
SUMMARY: The number and distribution of habitable planets in the Milky Way is one of the foremost problems of contemporary astrobiological research. We investigate the efiects of applying general…
Evidence for cometary bombardment episodes
- Physics
- 2006
Evidence is found that large terrestrial impacts tend to cluster in discrete episodes, with characteristic separations 25‐30 Myr and durations of about 1‐2 Myr. The largest impactors are strongly…
The case for significant numbers of extraterrestrial impacts through the late Holocene
- Environmental Science
- 2007
When astronomers tell us that there should have been numerous impacts from space during the last five millennia, when impact craters exist on land and more impacts can be assumed over the oceans, why…
Probing the improbable: methodological challenges for risks with low probabilities and high stakes
- Business
- 2008
It is argued that there are important new methodological problems which arise when assessing global catastrophic risks and they are focused on a problem regarding probability estimation, which differs from the related distinction between model and parameter uncertainty.
When Life Nearly Died: The Greatest Mass Extinction of All Time
- Environmental Science
- 2003
There have been five big mass extinctions in the history of the Earth. One 65 million years ago wiped out the dinosaurs, but the greatest of all happened around 251 million years ago, at the end of…
Did a gamma-ray burst initiate the late Ordovician mass extinction?
- Environmental Science, GeographyInternational Journal of Astrobiology
- 2004
A GRB could trigger the global cooling which occurs at the end of the Ordovician period that follows an interval of relatively warm climate, and some of the patterns of extinction and survivorship at this time may be attributable to elevated levels of UV radiation reaching the Earth.