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Shellworld
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<h2 id="external-links">External links</h2> <ul><li><a href="http://www.orionsarm.com/eg-article/47856a978e732">Shellworlds</a></li> <li><a href="http://www.orionsarm.com/eg-article/49a3ee435bd98">"Orion's Arm - Encyclopedia Galactica - Artificial Planets"</a>. <i>orionsarm.com</i>. Retrieved 2018-08-09.</li> <li><a href="http://www.orionsarm.com/eg-article/4847416b8b0ad">"Orion's Arm - Encyclopedia Galactica - Supramundane and Suprastellar Worlds"</a>. <i>orionsarm.com</i>. Retrieved 2018-08-09.</li> <li><a href="http://www.orionsarm.com/eg-article/47e1bb1fc898c">"Orion's Arm - Encyclopedia Galactica - Mass Stream Technology"</a>. <i>orionsarm.com</i>. Retrieved 2018-08-09.</li> <li><a href="http://www.orionsarm.com/eg-article/464f869fc12cb">"Orion's Arm - Encyclopedia Galactica - Dynamic Orbital Rings"</a>. <i>orionsarm.com</i>. Retrieved 2018-08-09.</li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"What is the largest possible inhabitable world? – Andart II". 2015-06-23. Retrieved 2024-01-16. <a href="http://aleph.se/andart2/megascale/what-is-the-largest-possible-inhabitable-world/" target="_blank">http://aleph.se/andart2/megascale/what-is-the-largest-possible-inhabitable-world/</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>"Orbital Rings and Planet Building: Prelude to Colonizing the Solar System". Greg School. 2018-09-01. Retrieved 2024-01-16. <a href="https://www.gregschool.org/gregschoollessons/orbital-rings-and-planet-building" target="_blank">https://www.gregschool.org/gregschoollessons/orbital-rings-and-planet-building</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Tate, Karl (2013). "Shell-Worlds: How Humanity Could Terraform Small Planets (Infographic)". space.com. Retrieved 2018-08-09. <a href="https://www.space.com/23082-shell-worlds-planet-terraforming-technology-infographic.html" target="_blank">https://www.space.com/23082-shell-worlds-planet-terraforming-technology-infographic.html</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>"Shell Worlds - An Approach To Terraforming Moons, Small Planets and Plutoids", K. L. Roy; R. G. Kennedy III; D. E. Fields, 2009, JBIS, 62, 32-38 <a href="https://ui.adsabs.harvard.edu/abs/2009JBIS...62...32R/abstract" target="_blank">https://ui.adsabs.harvard.edu/abs/2009JBIS...62...32R/abstract</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Kramer, Miriam (2013-10-07). "Incredible Technology: How to Use 'Shells' to Terraform a Planet". Space.com. Retrieved 2023-12-16. <a href="https://www.space.com/23063-terraforming-planets-shell-worlds.html" target="_blank">https://www.space.com/23063-terraforming-planets-shell-worlds.html</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>"What is the largest possible inhabitable world? – Andart II". 2015-06-23. Retrieved 2024-01-16. <a href="http://aleph.se/andart2/megascale/what-is-the-largest-possible-inhabitable-world/" target="_blank">http://aleph.se/andart2/megascale/what-is-the-largest-possible-inhabitable-world/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>"Bubbleworld (Dani Eder)". yarchive.net. Retrieved 2024-01-16. <a href="https://yarchive.net/space/exotic/bubbleworld.html" target="_blank">https://yarchive.net/space/exotic/bubbleworld.html</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> </ol>