Explorer 1's radiation detector helped scientists discover what?
AThe rings around Saturn
BThe belt of asteroids
CNew moons around Mars
DVan Allen radiation belts
Answer & Solution
Correct answer: D. Van Allen radiation belts
Data from Explorer 1's radiation detector revealed the belts of radiation around Earth now named after Van Allen.
Keep practising Invention
Browse all Invention questions for Olympiad (Class 5), or explore more General Knowledge topics.
Related questions
Which of these is among the earliest human inventions, dating back to early humans?Railroads, aviation, vaccination and the smartphone belong to which kind of invention?Crude stone tools called Oldowan tools are among the earliest inventions. Roughly how old The word inventor comes from the Latin verb invenire. What does it mean?A patent is granted in India only. Where does it protect the inventor?A patent gives an inventor which right?In the twentieth century, which method largely replaced letterpress in commercial printingA hand press used a long handle to turn a threaded rod. Which two machines worked together