Describes the properties of the thermosphere and exosphere.
Explains how particles originating from deep inside the core of the sun creates northern lights, also called aurora borealis, on our planet.
What would Earth's magnetic field look like if it were painted in colors? It would look like the aurora! This QUEST video looks at the aurora, which provides clues about the solar wind, Earth's magnetic field and Earth's atmosphere.
Reviews characteristics of the thermosphere and exosphere.
The Apollo astronauts had a variety of ways of getting rid of their human wastes.