Marsquakes

Science

Why is one half of Mars so different from the other? ‘Marsquakes’ may reveal the answer

A map showing the “Mars dichotomy”: southern highlands are yellow and orange, northern lowlands are blue and green. Credit: NASA / JPL / USGS Mars is home to perhaps the solar system’s greatest mystery, the so-called “Martian dichotomy,” which has baffled scientists ever since it was discovered in the 1970s. Mars’ southern highlands (which make up about two-thirds of the…