Heart disease: An ongoing genetic battle?

the ‘waist’of a nucleus,making more evolved comets more prolate. The topographic relief on Wild 2, however, is substantially greater (at least 200 m) than that on Borrelly (about 100 m), even though both comets have similar volumes and thus similar gravitational states (assuming that their densities are comparable). The slopes on Wild 2 are steep — nearly… (More)

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