NASA's spacecraft Phoenix, which launched to Mars last August, will finally arrive on the Red Planet.
Seven minutes is all it takes for a spacecraft travelling neary 13 thousand miles per hour to hit the Martian atmosphere, slam on the brakes, and reach the ground.
During that time, onboard computers will be working at a manic pace as the spacecraft deploys its parachute, jettisons its heat shield, extends its three legs, releases the parachute, and finally fires its thrusters to bring it down for a soft landing. Hopefully.
Click herebrace - 準備開始, to get ready
manic - 瘋狂的, excessive or unreasonable in rushing
jettison - 投棄, to drop from spacecraft in flight