What is the protective bubble that surrounds the earth?
Hydrogen Field
A Force Field
Oxygen Field
The Magnetic Field
What electric conducting fluid is contained within the Earth?
Liquid Iron*
Titanium
Lithium
Liquid Copper
What are some of the key purposes of the Aurora protecting Earth?
Deflect Solar Wind
Provide an energy Source for Life
Provide an energy Source for Life
Protect the Earth from Solar Wind and Harmful Radiation
What is the Aurora commonly described as?
The Western Lights
The Eastern Lights
The Northern Lights
The Southern Lights
Which of the following would be the main determining factor preventing life on Mars?
Distance from the Sun
Less Rocky Material
Size of the Planet
Lack of Hydrogen