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NASA ScienceCasts Narrators

Sun, Earth’s Space Environment
Mar 30, 2018
The ionosphere is where Earth's atmosphere gives way to space, and two new NASA missions will work together to uncover its secrets.
Sun, Earth’s Space Environment
Mar 25, 2018
Enveloping our planet and protecting us from the fury of the Sun is the magnetosphere, a key to helping Earth develop into a habitable planet.
Earth's Magnetosphere Poster
Universe, Stars, Earth’s Space Environment
Mar 6, 2018
Bow shocks form across the universe, and studying bow shocks can reveal many cosmic secrets.
Cosmic Bow Shocks Poster
Sun, Our Sun, Earth’s Space Environment
Jun 27, 2017
Intense solar activity such as sunspots and solar flares subsides during solar minimum, but that doesn’t mean the sun becomes dull. Solar activity simply changes form.
Solar Minimum is Coming Poster
Sun, Earth’s Space Environment
May 16, 2017
Sounding rocket missions can often be the key to getting a quick answer to a tightly focused science question.
NASA's Sounding Rockets Poster
Sun, Earth’s Space Environment
Sep 21, 2016
Four NASA spacecraft have performed a thrilling maneuver to understand the physics of explosive reconnection in Earth's magnetosphere.
NASA Spacecraft Fly in Record-setting Formation Poster
Sun, Earth’s Space Environment
Aug 16, 2016
Summer is the season for electric-blue noctilucent clouds. NASA's AIM spacecraft is finding that these clouds continue to reveal details about how the atmosphere works.
Earth, Sun, Earth’s Space Environment
Jun 14, 2016
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.
Twinkle Twinkle GPS Poster 1
Sun, Earth’s Space Environment
Dec 14, 2015
Earth is surrounded by electrons that can be disruptive to our technology. NASA is using high-altitude balloons and spacecraft to monitor and understand these particles in the radiation belts surrounding our planet.
Escape of the Destructive Electrons Poster