lesson Write a review lesson Write a review beta EdBrAIn It EdBrAIn uses AI to customize lesson resources for your students’ needs. Is The Universe Flat or Curved? - The Countdown #3 Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link Share Share On Facebook Share On Twitter Share On Pinterest Share On LinkedIn Share On Microsoft Teams Email Copy link Scientific American Subject Science — Earth and Space Science Grade Level Grades 9-12 License About Resources Reviews Related About This Lesson This week's episode of the countdown includes the question 'is the universe flat or curved?' Resources External resources http://www.youtube.com/watch?v=tazjfNJ21Ro Website Reviews Be the first to submit a review! Advertisement More from this Contributor Lesson Never Stop Exploring Grades 9-12 Scientific American Lesson Neil deGrasse Tyson Answers Your Questions! Grades 9-12 Scientific American Lesson Iron Man from Space!! - The Countdown #6 Grades 9-12 Scientific American Lesson MysteryGuitarMan's Space Playlist! #1 Grades 9-12 Scientific American Lesson Moons and Ice Volcanoes Grades 9-12 Scientific American Lesson Missing Mars Lander Found! - The Countdown #20 Grades 9-12 Scientific American