Articles | Volume 7, issue 2
https://doi.org/10.5194/hgss-7-125-2016
https://doi.org/10.5194/hgss-7-125-2016
Note
 | 
22 Dec 2016
Note |  | 22 Dec 2016

Indications from space geodesy, gravimetry and seismology for slow Earth expansion at present – comment on “The Earth expansion theory and its transition from scientific hypothesis to pseudoscientific belief” by Sudiro (2014)

Matthew R. Edwards

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Latest update: 27 Mar 2024
Short summary
The expanding Earth theory holds that the original Earth was much smaller and that ocean basins were lacking then. While the theory has largely been debunked in recent years, new research from GPS and other space geodetic techniques indicates that the Earth may actually be expanding at present at about 0.1–0.4 mm/yr. In addition, new evidence showing that deep mantle plumes rise all the way from the core–mantle boundary sheds light on a possible expansion mechanism.