Hypomagnetic field, an ignorable environmental factor in space?

Mo, WeiChuan, Liu, Ying and He, Rongqiao (2014) Hypomagnetic field, an ignorable environmental factor in space?. Science China Life Sciences, 57 7: 726-728. doi:10.1007/s11427-014-4662-x

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Author Mo, WeiChuan
Liu, Ying
He, Rongqiao
Title Hypomagnetic field, an ignorable environmental factor in space?
Journal name Science China Life Sciences   Check publisher's open access policy
ISSN 1674-7305
Publication date 2014-07
Year available 2014
Sub-type Critical review of research, literature review, critical commentary
DOI 10.1007/s11427-014-4662-x
Open Access Status DOI
Volume 57
Issue 7
Start page 726
End page 728
Total pages 3
Place of publication Beijing, China
Publisher Zhongguo Kexue Zazhishe
Collection year 2015
Language eng
Formatted abstract
All living organisms on the earth have been exposed to the geomagnetic field (GMF, ~50 μT), a nature component of the habitability environment, throughout the evolutionary history. However, the environmental magnetic field (MF) in space decreases geometrically with the distance from the ground. The MF magnitude (|B|) at the International Space Station (ISS; near-earth orbit) is similar to the GMF (~80% GMF with limited variation), except that the radial component (Br) exhibits significant variations both in direction and magnitude. The environmental MF in outer space is extremely lower than the GMF, called a hypomagnetic field (HMF), e.g., Martian MF is <5 μT, Lunar MF is <300 nT and interplanetary MF is just a few nanotesla. Thus, besides micro-gravity (μ-gravity) and cosmic radiation, astronauts have to be exposed and adapt to the HMF condition when onboard in the long-term and long-distance space missions.

Even though biological effects of the HMF were valued in early studies (1960s), exploration of the space HMF has not rapidly progressed in the following decades...
Q-Index Code CX
Q-Index Status Confirmed Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Critical review of research, literature review, critical commentary
Collections: Non HERDC
Queensland Brain Institute Publications
Official Audit
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Citation counts: TR Web of Science Citation Count  Cited 3 times in Thomson Reuters Web of Science Article | Citations
Scopus Citation Count Cited 4 times in Scopus Article | Citations
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Created: Tue, 20 May 2014, 13:14:13 EST by Weichuan Mo on behalf of Queensland Brain Institute