This Discovering Some of Your “Yardsticks” Are Actually “Meter-sticks” lesson plan also includes:
The Milky Way gets great reviews on Trip Advisor — 100 million stars. The activity allows scholars to rethink their assumptions and prior knowledge. Pupils observe a set of two lights at equal distance and brightness, but they believe the brightness is vastly different. How will they solve this dilemma? How does a scientist using real data handle finding the previous knowledge is seemingly wrong?
- Research Walter Baade and his work related to Cepheids
- Requires two light bulbs of different wattages but the same physical size and finish
- Lesson assumes prior knowledge of Cepheid stars and the history of measuring the dimensions of the Milky Way Galaxy
- Includes a problem solving activity
- Does not provide and article required for evaluation