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NASA ScienceCasts Narrators

Earth, Ice
Sep 7, 2018
NASA missions are helping scientists study the cryosphere - the many forms of ice found on Earth.
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
Planets of Our Solar System, Sky Watching
Mar 16, 2018
On the evening of March 18, step outside for a view of the crescent Moon, Venus, and Mercury together above the twilight horizon.
A Sunset Sky Show Poster
ISS
Mar 13, 2018
Scientists are learning more about combustion through a series of experiments on the International Space Station.
The Power of Studying Combustion on the ISS 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
Universe, Earth, Sun, Solar System
Jan 30, 2018
On January 31, 1958, the United States joined the "space race" with the successful launch of the Explorer 1 satellite, marking the birth of space science.
America's Debut in Space Poster
Earth, Solar System
Dec 22, 2017
Cameras on NASA spacecraft have treated us to intriguing and inspiring perspectives of our home planet as they've looked back at Earth from various locales.
Views of Home Poster
ISS
Dec 4, 2017
The International Space Station is more than just a bright light in the night sky. It is also an out-of-this-world research laboratory.
An Out of This World Research Lab Poster
Sky Watching, Eclipses
Nov 30, 2017
A series of three supermoons will appear on the celestial stage on December 3, 2017, January 1, 2018, and January 31, 2018.
A Supermoon Trilogy Poster
ISS
Oct 10, 2017
Transient Luminous Events (TLEs) are flashes and glows that appear above storms and are results of activity occurring in and below those storms. Researchers are working to better understand lightning and thunderstorms, how they form and develop over time, and why storms produce different TLEs in... Read More
A Display of Lights Above the Storm Poster
Solar System, Planets of Our Solar System
Sep 27, 2017
New Horizons is on its way to new discoveries deep in the Kuiper Belt – a region inhabited by ancient remnants from the dawn of the solar system.
New Horizons' Discoveries Keep Coming Poster
Solar System
Sep 21, 2017
Gravity’s pull is being used to help propel a small spacecraft known as OSIRIS-REx to a near-Earth asteroid called Bennu.
Riding the Slingshot to Bennu Poster
Universe
Sep 20, 2017
There are two leading ways to measure the universe's rate of expansion, and for fifteen years, they more or less agreed with one another. Not anymore, and that’s a big deal.
Hubble’s Contentious Constant Poster
Sun, Sky Watching, Eclipses
Aug 18, 2017
On August 21, 2017, a continent-spanning wave of instruments from home-made pinhole cameras to the most sophisticated telescopes in operation today will be trained on the Eclipse Across America.
The 2017 Total Solar Eclipse Poster
Solar System, Planets of Our Solar System
Aug 15, 2017
Cassini is in the process of executing 22 daring ‘Grand Finale’ dives in the 1,200-mile gap between Saturn and its innermost ring, concluding with an epic final plunge into the gas giant’s upper atmosphere.
Cassini's Grand Finale Poster