Placeholder Image

Subtitles section Play video

  • NASA this week will attempt to land a rover on Mars, and the engineers behind the mission say seven months of space travel will come down to what they call seven minutes of terror.

  • That's the amount of time the rover dubbed perseverance, will take to descend through the thin Martian atmosphere to the surface of the Red Planet.

  • But its radio signals take 11 minutes to reach the Jet Propulsion Laboratory near Los Angeles, which means for those seven minutes, NASA won't know if the robotic astrobiology lab landed safely in one piece or burned to a crisp.

  • Al Chen, head of the JPL descent and landing team, called the entry, descent and landing phase the most critical and most dangerous part of the $2.7 billion mission.

  • Much is riding on the outcome.

  • Building on discoveries of nearly 20 US outings to Mars, perseverance may set the stage for scientists to conclusively show whether life has existed beyond Earth while paving the way for eventual human missions to the fourth planet from the sun.

NASA this week will attempt to land a rover on Mars, and the engineers behind the mission say seven months of space travel will come down to what they call seven minutes of terror.

Subtitles and vocabulary

Operation of videos Adjust the video here to display the subtitles

B1 rover nasa landing perseverance descent mission

NASA expects white-knuckle Mars rover landing

  • 0 0
    林宜悉 posted on 2021/02/16
Video vocabulary