The search for exo-earths
Spaceflight ; 51 , 12 ; 472-473
2009
Article (Journal)
Unknown
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|ENGINEERING NOTEBOOK Seeking other Earths.
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Rare earths make better steels
Tema Archive | 1974
|Big Planets: Super-Earths in Science Fiction
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|Rare earths create useful long-wavelength lasers
British Library Online Contents | 1993
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