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# How to Calculate Sea Ice Changes

This set of three videos illustrates how math is used in satellite data analysis. NASA climate scientist Claire Parkinson explains how the Arctic and Antarctic sea ice covers are measured from satellite data and how math is used to determine trends... (View More)

Audience: Middle school, High school, Higher education
Materials Cost: Free

# Solar Wind Variation Throughout the Heliosphere

In this lab activity, students use simulation results and data available through the NASA Community Coordinated Modeling Center (CCMC) to explore the structure of the solar wind, its variation through the heliosphere. Participants will become... (View More)

Keywords: Solar wind
Audience: Higher education
Materials Cost: Free

# Plotting Pulsating Variable Stars on the Hertzsprung-Russell (H-R) Diagram

The H-R diagram is a scatter graph of stars, a plot of stellar absolute magnitude or luminosity versus temperature or stellar classification. It is an important astronomical tool for understanding how stars evolve over time. Stellar evolution cannot... (View More)

Keywords: Stellar evolution
Audience: High school, Higher education
Materials Cost: Free

# Earth Exploration Toolbook: Measuring Distance and Area in Satellite Images

This chapter describes how to set a scale and measure distances and areas on satellite images. Using ImageJ, a freely available image analysis program that runs on most operating systems, users set the spatial calibration of an image, then select... (View More)

# Dying Stars and the Birth of the Elements (CLEA lab)

In this activity, students will use a simulator of an orbiting X-ray observatory to observe a supernova remnant, the expanding gas from an exploded star. They will take X-ray spectral data, analyze them, and answer questions based on that data. This... (View More)

Audience: High school, Higher education
Materials Cost: Free
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