<P> Surface gravity is measured in units of acceleration, which, in the SI system, are meters per second squared . It may also be expressed as a multiple of the Earth's standard surface gravity, g = 9.80665 m / s2 . In astrophysics, the surface gravity may be expressed as log g, which is obtained by first expressing the gravity in cgs units, where the unit of acceleration is centimeters per second squared, and then taking the base - 10 logarithm . Therefore, the surface gravity of Earth could be expressed in cgs units as 980.665 cm / s2, with a base - 10 logarithm (log g) of 2.992 . </P> <P> The surface gravity of a white dwarf is very high, and of a neutron star even higher . The neutron star's compactness gives it a surface gravity of up to 7 × 10 m / s2 with typical values of order 10 m / s2 (that is more than 10 times that of Earth). One measure of such immense gravity is that neutron stars have an escape velocity of around 100,000 km / s, about a third of the speed of light . </P> <Table> Surface gravity of various Solar System bodies (1g = 9.81 m / s, the surface gravitational acceleration on Earth) <Tr> <Th> Name </Th> <Th> Surface gravity </Th> </Tr> <Tr> <Td> Sun </Td> <Td> 28.02g </Td> </Tr> <Tr> <Td> Mercury </Td> <Td> 0.38g </Td> </Tr> <Tr> <Td> Venus </Td> <Td> 0.904g </Td> </Tr> <Tr> <Td> Earth </Td> <Td> 1g </Td> </Tr> <Tr> <Td> Moon </Td> <Td> 0.1654g </Td> </Tr> <Tr> <Td> Mars </Td> <Td> 0.376g </Td> </Tr> <Tr> <Td> Phobos </Td> <Td> 0.0005814g </Td> </Tr> <Tr> <Td> Deimos </Td> <Td> 0.000306g </Td> </Tr> <Tr> <Td> Ceres </Td> <Td> 0.0275g </Td> </Tr> <Tr> <Td> Jupiter </Td> <Td> 2.53g </Td> </Tr> <Tr> <Td> Io </Td> <Td> 0.183g </Td> </Tr> <Tr> <Td> Europa </Td> <Td> 0.134g </Td> </Tr> <Tr> <Td> Ganymede </Td> <Td> 0.146g </Td> </Tr> <Tr> <Td> Callisto </Td> <Td> 0.126g </Td> </Tr> <Tr> <Td> Saturn </Td> <Td> 1.07g </Td> </Tr> <Tr> <Td> Titan </Td> <Td> 0.14g </Td> </Tr> <Tr> <Td> Enceladus </Td> <Td> 0.0113g </Td> </Tr> <Tr> <Td> Uranus </Td> <Td> 0.89g </Td> </Tr> <Tr> <Td> Neptune </Td> <Td> 1.14g </Td> </Tr> <Tr> <Td> Triton </Td> <Td> 0.0797g </Td> </Tr> <Tr> <Td> Pluto </Td> <Td> 0.067g </Td> </Tr> <Tr> <Td> Eris </Td> <Td> 0.0677g </Td> </Tr> <Tr> <Td> 67P - CG </Td> <Td> 0.000017g </Td> </Tr> </Table> <Tr> <Th> Name </Th> <Th> Surface gravity </Th> </Tr>

What is the acceleration due to gravity in mars
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