NOAA’s Space Environment Center / Space Science Institute / /
IndustryTerm
space travel / tech ship navigation systems / long-line telephone communication systems / electrical power systems / times more energy / airline / telecommunications / ultimate energy source / energy / /
NaturalFeature
Frozen River / /
Organization
National Oceanic and Atmospheric Administration / Space Environment Forecast Center / National Aeronautics and Space Administration / NOAA’s Space Environment Center / Space Science Institute / NASA’s STS-39 mission / Space Environment Services Center / /
Student Guide to Activity 2: Sunspot Number Variations Problem: What pattern(s) emerge when sunspot numbers are plotted over a period of time? Introduction A student’s dream comes true! On a quiet, mild, mid-afternoon,