Carl Sagan-Cosmos

Need to learn more about the universe Carl Sagan can help
Download the application and get a set of information about Mars, aliens, Carl's books, and others

***KEY FEATURES***

UNIVERSE QUIZ
Test your knowledge about the universe by taking a multiple-choice exam consisting of 44 questions about the universe

TO MARS
Travel to Mars and learn about the nature of the planet

MEET ALIENS
Do aliens exist? If yes, where are they? Learn about the most prominent theories about aliens and why they haven't appeared yet

CARL'S BOOKS
Learn about the most prominent books Carl read during his university years so that you can read them on your vacation