This digitised material is free to access, but contains information or visuals that may:<ul><li>include personal details of living individuals</li><li>be upsetting or distressing</li><li>be explicit or graphic</li><li>include objects and images of objects decontextualised in a way that is offensive to the originating culture.</li></ul>By viewing this material, we ask that you use the content lawfully, ethically and responsibly under the conditions set out in our <a href="https://wellcomecollection.cdn.prismic.io/wellcomecollection/d4817da5-c71a-4151-81c4-83e39ad4f5b3_Wellcome+Collection_Access+Policy_Aug+2020.pdf">Access Policy</a>.

[Background Reading]

Galleries and Reading Room

Library

Shop

Café

Due to essential system maintenance, online requesting will be unavailable from 9pm until midnight on Tuesday 21 April. You can still search the catalogue as usual. We apologise for any inconvenience.

We're running paid user research studies to improve Wellcome Collection online

Take part in research

Papers (photocopies and pre-prints, unmarked) consulted in the preparation of Crick and L E Orgel, "Directed Panspermia," Icarus, 19 (1973), 341-6.

The papers are:

Shiv S Kumar, "Planetary systems" (preprint, to be published in Saslaw and Jacobs, eds., The Emerging Universe);

John Barth, "Night-Sea Journey" (supplied, with a covering note, by Horace Judson);

Dicke, "The age of the galaxy from the decay of uranium" (1969);

Iben and Faulkner, "On the age and initial helium abundance of extreme population II stars" (1968);

Selections from Fairbridge, The Encyclopedia of Atmospheric Sciences and Astrogeology (1967);

Gold, "Cosmic garbage" (1960);

Gold, "Is biology on a cosmical scale?" (1960, mimeograph);

Sneath, "Longevity of micro-organisms" (1962, brief notes attached);

Sagan, "Biological contamination of the Moon" (1960).

Content advisory

[Background Reading]

Licence and re-use