Why do this? Why look to space and understand Earth's smallness? So we can understand reality as Carl Sagan explains in his pale blue dot speech. https://www.y

Why do this? Why look to space and understand Earth's smallness? So we can understand reality as Carl Sagan explains in his pale blue dot speech. https://www.youtube.com/watch?v=wupToqz1e2g https://www.youtube.com/watch?v=wupToqz1e2g