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.
Come up with questions about a topic and learn new vocabulary words to determine answers using an Ask, Answer, Learn table.
The Apollo astronauts had a variety of ways of getting rid of their human wastes.
Find out what Apollo astronauts saw on the moon, how scientists have developed hypotheses to explain them, and how they plan to test these hypotheses.