Based on David Butler's total view count of 37.7M views and industry-standard rates, this YouTube channel has generated an estimated total earning of $26.4K - $75.5K through ad revenue. Historical data is not yet available to calculate daily, weekly, or monthly averages.

Explore David Butler's YouTube presence with 188,111 subscribers and 972 videos. Experience the cumulative impact of 37,758,037 views across their engaging content.

This is the "How Far Away Is It" video book channel. It is a video book of Hubble and other Space and ground based Telescope pictures together with an illustrated explanation of how we know how far away these objects are - from your back yard to the most distant galaxies. See how: Triangulation can take us across the globe Parallax can take us across the solar system Standard candles can take us across the Milky Way Red-shift can take us across the universe. The video book contains three chapters: The Solar System; The Milky Way; and Galaxies. A Distance Ladder foundation is built in segments 2 (The Earth) through 6 (Distant Stars). The amazing celestial object photography begins with segment 7 ( Planetary Nebula). Many viewers may want to start there. Students, new to Astronomy, should start from the beginning. There is also a preface and a segment on credits with websites identified that can be used for further research by interested viewers.

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