Mars, which has a radius of 3.4 × 106 m and a mass of 6.4 × 1023 kg, orbits the Sun, which has a mass of 2.0 × 1030 kg at a distance of 2.3 × 1011 m. Which is greater, the tangential speed of Mars’s rotation or revolution?
Calculate the velocity of the Earth in its orbit around the Sun. Page 3. 2. M = 1.99 × 10 kg (mass of the Sun) ... Orbital radius of the Earth: 149.6 × 10 km = 1 AU. 6 ... that are especially stable have a better chance to survive than atoms whose ... in the Sun occurs only in its core and that the density of the core is greater than the ...