Open AccessMartian gravity maps track volcanic history
Publication year - 2012
Publication title -
astronomy & geophysics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.168
H-Index - 22
eISSN - 1468-4004
pISSN - 1366-8781
DOI - 10.1111/j.1468-4004.2012.53404_9.x
Subject(s) - martian , volcano , geology , track (disk drive) , mars exploration program , astrobiology , physics , seismology , computer science , operating system
Subtle variations in the trajectory of ESA's Mars Express orbiter have been used to map variations in the gravitational pull of the planet that can be related to the shape and density of the rocks below – giving researchers the first glimpse of the internal geology of another planet.