Mars Rover Entry, Descent, and Landing

The video tutorial covers the historic landing of a Mars Rover, watched by 50 million Americans. It provides an overview of the mission operations, highlighting the challenges faced during the entry, descent, and landing (EDL) phase, known as the 'seven minutes of terror.' The tutorial explains the complex sequence of events that occur autonomously, from entering the Martian atmosphere to the final touchdown. The successful landing is celebrated, marking a significant achievement in space exploration.

How many Americans watched the Mars Rover landing live?

• 100 million

• 10 million

• 25 million

• 50 million

What is the time delay for a signal to travel from Mars to Earth?

• 7 minutes

• 14 minutes

• 21 minutes

• 28 minutes

What is the term used to describe the Mars Rover's Entry, Descent, and Landing process?

• Seven minutes of excitement

• Seven minutes of fear

• Seven minutes of terror

• Seven minutes of hope

What speed does the Mars Rover need to reduce from during the EDL process?

• 20,000 mph

• 15,000 mph

• 13,000 mph

• 10,000 mph

What is the role of the computer during the EDL process?

• To assist the ground team

• To perform the landing sequence autonomously

• To communicate with Earth

• To monitor the weather on Mars

At what speed does the parachute deploy during the landing?

• Mach 1.7

• Mach 0.5

• Mach 2.0

• Mach 1.0

What is the altitude when the Mars Rover reaches 90 m/s during descent?

• 3.5 km

• 5.5 km

• 6.5 km

• 8.5 km

What mechanism is used for the final touchdown of the Mars Rover?

• Rocket thrusters

• Sky crane

• Airbags

• Parachute

What was the reaction in the mission control room upon touchdown confirmation?

• Confusion

• Applause

• Silence

• Disappointment

What was the first thing confirmed after the successful landing?

• Weather conditions on Mars

• Communication with Earth

• Thumbnails from Mars

• Rover's health status