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Featured Resource

Sunspot Science: Measuring the Frequency and Period of Sunspots
Sunspot Science: Measuring the Frequency and Period of Sunspots
Use time-stamped images from NASA's Solar Heliospheric Observatory to analyze patterns in sunspot activity, then apply these findings to calculate period of… more »

Technology Tools

Mobile Device Models
Mobile Device Models
Turn your smartphone into a robust tool for data collection! This resource provides 8 simulations that use a mobile device accelerometer to sense motion.