ariel-the-fourth-largest-moon-of-uranus-has-a-mean-radius-equal-to-0-09-times-th

Question

An exoplanet has a mean radius equal to 0.09 times the radius of Earth and a mass equal to 0.00023 times the mass of Earth. What would be the gravitational acceleration at the exoplanet's surface?

Accepted Answer

g_{exoplanet}=0.27 $$m/s^{2}$$

Answer

g_{exoplanet}=0.028 $$m/s^{2}$$

Answer

g_{exoplanet}=0.084 $$m/s^{2}$$

Answer

g_{exoplanet}=0.81 $$m/s^{2}$$