Consider a Martian satellite in a circular orbit about Mars with an orbital radius of 15,000 km. It is desired to lower this satellite to a circular orbit of radius 8,000 km using a Hohmann Transfer. Calculate the total impulse required for this maneuver in m/s.

The discovery that the universe appears to be expanding led to a widely accepted theory called a.) the big bang theory b.) the doppler effect c.) hubble’s law d.) solar nebular theory e.) the seyfert theory

Tafari worked one summer on a ship that set weather buoys in the ocean. he watched how one of the buoys moved in the water. describe which parts of the wave would cause the buoy to bob up and down. which wave property determined how fast the buoys bobbed in the water? he observed that when the wind blew harder, the ocean waves were larger, and the buoys moved away from the ship. what effect, if any, did the waves have on how far the buoys moved? explain your answer.

If the new moon happens on january 15th, what shape will it be on february 6th?