Life in Space Quiz

Which of the following accommodations allows manned space exploration? 7.9B 

• Lack of gravity in the spaceship
• Balancing oxygen and carbon dioxide levels for breathing
• Maps of the solar system from previous space flights
• None of the above

Why are none of the outer planets likely to support life similar to that of Earth? 7.9A 

• They are all too large to support life.
• Living things cannot survive on a planet that does not have regular seasons.
• They are so far from the sun that there is not enough solar radiation to support life.
• The outer planets are so large that their tidal effects on one another are too strong to allow life to develop.

Which of the following is a factor that the other planets in the solar system do not have but contributes to the support of life on Earth? 7.9A 

• the daily retrograde rotation
• the year-long revolution around the sun 
• the presence of liquid water
• the presence of a moon

How does Earth's location affect its temperature when compared with Mars or Venus? 7.9A

• Earth is warmer than Mars but cooler than Venus.
• Earth is cooler than Mars and Venus due to its location.
• Venus is covered by ice because it is farther from the sun than the other planets.
• Earth has water in the gas state because it is closer to the sun than Mars and Venus.