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NASA ScienceCasts Narrators

Voices of NASA Science - Hakeem
Voices of NASA Science - Eldora
Voices of NASA Science - Sandra
Voices of NASA Science - Michelle
Voices of NASA Science - Dwayne
Voices of NASA Science - Bob
Voices of NASA Science - Andre
Voices of NASA Science - Mike
Mountains
The Tallest Point in Niger
Earth
Jun 14, 2019
Dispersed across the Sahara Desert in northern Niger, the Aïr Mountains rise sharply from the low-lying sea of sand to provide unique scenery, aesthetically and geologically.
Cementing Our Place in Space
ISS
Jun 11, 2019
Experiments have taken place aboard the International Space Station to study cement based concrete in microgravity.
Cementing Our Place in Space Poster
Shining Laser Light on Earth’s Forests
Earth, ISS
Apr 30, 2019
The Global Ecosystem Dynamics Investigation (GEDI) on the space station beams laser light down to Earth to reveal the height and density of trees and vegetation.
Shining Laser Light on Earth’s Forests Poster
A Chip Off the Old Block
ISS
Apr 18, 2019
Living 3D versions of human organs called Tissue Chips are being sent to the International Space Station to be studied in microgravity.
On the Cusp of Understanding
Sun, Earth’s Space Environment
Apr 14, 2019
NASA is using sounding rockets to study the cusp, a point where the magnetic bubble that surrounds our planet dips inward and touches down to Earth.
On the Cusp of Understanding Poster
A Successful Mission Starts With Nutrition
ISS
Apr 3, 2019
The relationship between a successful exploration mission and balanced nutrition is vital in the extreme vastness of outer space.
A Successful Mission Starts With Nutrition Poster
The Space We Travel Through
Sun, Our Sun
Mar 27, 2019
As NASA prepares to send astronauts and spacecraft long distances through space, scientists are keeping an eye on the weather. Space weather.
The Space We Travel Through Poster
A Super Start to 2019
Mar 20, 2019
2019 is an excellent year to look to the sky and enjoy the spectacular view of Earth’s nearest neighbor, the Moon.
A Super Start to 2019 Poster
Big Questions About Small Worlds
Solar System
Feb 15, 2019
Small Worlds hold keys to questions about our solar system and the origin of life on Earth.
Big Questions About Small Worlds Poster
Small Satellites yield Big Discoveries
Feb 4, 2019
NASA uses CubeSats for new science missions and to test new electronics, sensors and software that might be included on larger missions.
Small Satellites yield Big Discoveries Poster
Enjoying the Geminids From Above and Below
ISS, Sky Watching, Meteor Showers
Dec 13, 2018
The Geminids meteor shower will be viewed from above by the Meteor camera on the International Space Station, as well as from below by sky watchers on Earth.
Enjoying the Geminids From Above and Below Poster
You Light Up Our Night
Solar System, Sky Watching
Dec 12, 2018
People around the world have the opportunity to participate in the study of comet 46P/Wirtanen as it has a close approach with Earth in December of 2018
You Light Up Our Night Poster
The In-Space Refabricator
ISS
Nov 19, 2018
The Refabricator on the International Space Station is a hybrid 3D printer that can also recycle materials to make new items.
The In-Space Refabricator Poster
Lightning Across the Solar System
Solar System, Planets of Our Solar System
Oct 23, 2018
Lightning is beautiful and powerful, and has been observed on planets across the solar system.
Lightning Across the Solar System Poster
Sweating Can Be Cool
Earth, ISS
Oct 5, 2018
NASA's ECOSTRESS mission is studying how plants sweat, providing detailed measurements of plant temperatures from space.
Sweating Can Be Cool Poster