Glow On

Why do stars appear to glow? And why is it that some stars seem brighter than others? This is the focus of a video that explains how stars get their glow and how apparent brightness is determined by distance, rather than size.

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Instructional Ideas
  • Pause the video after each vocabulary word is introduced, allowing for discussion and better understanding
Classroom Considerations
  • The eighth in a series of 15 videos that discusses the sun and its influence on Earth
  • Concepts from the previous videos are reviewed at the beginning of the episode
  • The host compares the brightness of stars to the wattage and brightness of a light bulb
  • Designed for Next Generation Science Standards
  • None