Exploring the Challenges of Interstellar Travel

What is the main question posed in the introduction regarding space travel?

• Why hasn't interstellar travel been achieved?

• Why did the space race end?

• Why are cars still the primary mode of transport?

• Why haven't we colonized Mars yet?

What significant milestone did the Voyager One spacecraft achieve according to NASA?

• It discovered a new planet.

• It officially left the solar system.

• It reached the edge of the Milky Way.

• It landed on Mars.

What has been a major factor in delaying human missions to Mars?

• Shifting US political priorities

• Lack of interest from the public

• Unavailability of astronauts

• Insufficient technology

What is a key technical challenge in achieving interstellar travel?

• Building larger spacecraft

• Training more astronauts

• Finding a new type of rocket fuel

• Developing faster-than-light travel

Why are current rocket fuels inadequate for interstellar travel?

• They are not environmentally friendly.

• They are too expensive.

• They are too heavy and inefficient.

• They are difficult to produce.

What human challenge is associated with long-duration space travel?

• Lack of food supply

• Exposure to radiation

• Boredom

• Communication delays

What has NASA's Human Research Program been investigating?

• The economic benefits of space tourism

• The best materials for spacecraft construction

• The possibility of alien life

• The effects of space travel on the human body and mind

What is a potential psychological challenge for astronauts on long missions?

• Language barriers

• Fear of heights

• Facing the endless void of space

• Lack of entertainment

What percentage of the federal budget has NASA received since 2012?

• 4.41%

• 1%

• 0.5% or less

• 10%

What might motivate NASA to focus more on interstellar travel?

• Discovery of life in Alpha Centauri

• A new space race with China

• Public demand for space tourism

• Advancements in virtual reality