NASA's Guide to Near-light-speed Travel

The video tutorial explores the concept of traveling at near-light speed, highlighting the peculiar effects such as time dilation and the transformation of hydrogen atoms into dangerous particles. It discusses the travel times to various cosmic destinations, emphasizing the vastness of the universe. The tutorial concludes with a summary of key points and safety tips for space travelers.

What happens to time inside a spaceship traveling at near-light speed compared to time on Earth?

• Time moves faster inside the spaceship.

• Time moves slower inside the spaceship.

• Time remains the same inside the spaceship.

• Time stops inside the spaceship.

Why is it important to have shields on a spaceship traveling at near-light speed?

• To maintain communication with Earth.

• To protect against space debris.

• To prevent overheating of the spaceship.

• To shield against dangerous particles.

What is a potential risk of accelerating too quickly towards the speed of light?

• The spaceship might explode.

• The spaceship could lose power.

• The spaceship might miss its destination.

• The spaceship could experience structural damage.

How long would it take to travel from Earth to the edge of the solar system at near-light speed according to the spaceship's clock?

• A few weeks

• Nine months

• Over a year

• Two years

What is the estimated travel time to the Andromeda galaxy at near-light speed?

• Over a billion years

• Over a million years

• A few centuries

• A few decades