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(#14) We will learn how our observable universe expanded 13.7 billion years ago to today’s size of R=13.7 billion light years.

Previous video in this series can be seen at: https://youtu.be/36QSCK06X-M
Title: Can You Believe It? #36 What is Space (13 of TBD) How Big is Our Visible Universe? P.1 Minimum Size

Next video in this series can be seen at: https://youtu.be/tZRoGqQ1S9U
Title: Can You Believe It? #36 What is Space (15 of TBD) How Many Galaxies are There?