ScienceCasts: Twinkle Twinkle GPS

Dynamic bubbles of ionization in Earth's upper atmosphere can cause GPS signals to "twinkle" like stars, affecting the quality of navigation on Earth below. NASA recently conducted a mission called CINDI to investigate this phenomenon. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alugha.com/NASA

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ScienceCasts: Amazing Moons

When the Space Age began, explorers were eager to visit the planets of the solar system. As the years have passed, however, astronomers have realized that the moons of the solar system may be even more interesting. Visit http://science.nasa.gov/ for more. Click here to see more videos: https://alu

ScienceCasts: NASA Spacecraft Fly in Record-setting Formation

MMS: http://www.nasa.gov/mms Visit http://science.nasa.gov/ for more Four NASA spacecraft have performed a thrilling maneuver to understand the physics of explosive reconnection in Earth's magnetosphere. Read this story: https://science.nasa.gov/news-articles/nasa-spacecraft-fly-record-setting-fo