Astronaut Training and Spacewalks

The video discusses the challenges of space exploration, focusing on the hostile environment of space and the necessity of spacesuits for astronaut survival. It highlights the first spacewalks by Alexei Leonov and Edward White, marking significant milestones in space exploration. The video also covers the role of spacewalks in modern missions, such as the construction of the International Space Station, and the rigorous training astronauts undergo to prepare for these tasks. The importance of spacewalks in maintaining and repairing space equipment is emphasized, along with the challenges faced by astronauts during these missions.

What makes space a hostile environment for humans?

• Presence of alien life forms

• Extreme cold temperatures

• Lack of oxygen and presence of radiation

• Lack of gravity

What is the primary function of a spacesuit?

• To provide a self-contained environment

• To make astronauts look cool

• To help astronauts communicate with Earth

• To store food and water

Who was the first person to perform a spacewalk?

• Neil Armstrong

• Buzz Aldrin

• Yuri Gagarin

• Alexei Leonov

What was the duration of Alexei Leonov's first spacewalk?

• 20 minutes

• 15 minutes

• 12 minutes

• 10 minutes

What significant task did American astronaut Edward White accomplish during the Gemini 4 mission?

• First American to perform a spacewalk

• First American to land on the Moon

• First American to orbit the Earth

• First American to fly a spacecraft

What is one of the crucial tasks astronauts perform during spacewalks?

• Recovering lost satellites

• Playing sports

• Taking selfies

• Cooking meals

Why do astronauts work in pairs during spacewalks?

• To share tools

• To keep each other company

• To ensure safety and prevent floating away

• To take turns in performing tasks

What is one of the challenges of working in spacesuits?

• Difficulty in holding tools due to thick gloves

• Lack of communication with Earth

• Heavy weight of the suit

• Limited visibility

How do astronauts practice for spacewalks?

• By running simulations on computers

• By practicing in a large water-filled tank

• By training in zero-gravity planes

• By using virtual reality headsets

When is the International Space Station expected to be fully operational?

• By 2020

• By 2016

• By 2025

• By 2010