Asténosfèr ya iku lapisan sing ana ing sangisoré litosfer, awujud material cuwèr kenthel lan ndarbèni suhu kira-kira 3.000 drajat celcius.

Kapustakan 
 Donald L. Turcotte and Gerald Schubert. Geodynamics, 2nd ed., Cambridge University Press 2001
 GEMS Institute of higher education,Nepal.Environment Management Club, Kushal
 An Introduction to the Solar System; McBride and Gilmour; Cambridge University Press 2004

Pranala njaba 
 San Diego State University, "The Earth's internal heat energy and interior structure"

Struktur Bumi
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