History
The first episode launched on January 15, 2008, with the second episode being released two days later. Since then, new episodes have been released on average every one-to-two months. Each episode is released in both widescreen HD (16:9) and standard television (4:3) resolution.
Early episodes often featured appearances by astronomers. Beginning in April 2009, new episodes have begun to feature celebrities. Since its launch, the show has regularly ranked as one of the top 100 video podcasts in both the "Science & Medicine" and "Natural Sciences" categories on iTunes.
Read more about this topic: IRrelevant Astronomy
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—Henry David Thoreau (1817–1862)
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—Eliza Archard Connor, U.S. suffragist. As quoted in History of Woman Suffrage, vol. 4, ch. 9, by Susan B. Anthony and Ida Husted Harper (1902)