正文
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 here
brace - 准备开始, to get ready
manic - 疯狂的, excessive or unreasonable in rushing
jettison - 投弃, to drop from spacecraft in flight
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 here
brace - 准备开始, to get ready
manic - 疯狂的, excessive or unreasonable in rushing
jettison - 投弃, to drop from spacecraft in flight
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