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ScienceCasts Narrators

Solar Minimum is Coming 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.
ISS
Jun 19, 2017
Scientists have been studying plant growth on the International Space Station. The results could help boost the productivity of both extraterrestrial and earthly gardens.
Space Gardening Poster
Earth, Climate Change, Ice
Jun 8, 2017
NASA's OMG and Operation IceBridge missions are investigating the thinning of Greenland's ice sheets from both above and below.
Greenland's Thinning Ice Poster
ISS
May 31, 2017
NASA studies are looking at the effects of space travel on the human body's immune system.
Your Immune System... In Space 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
Solar System, Sky Watching
Apr 20, 2017
In 2017 and 2018, three comets will pass near the Earth providing the opportunity to observe and study these icy interlopers.
Close Approach Comets Poster
Universe
Apr 17, 2017
Stringent testing is underway to prove the James Webb Space Telescope can handle an Earth-shaking take-off and still capture the universe’s first light while deeply ensconced in the hyper-cold of space.
Universe, Earth, Sun, Solar System
Apr 13, 2017
We once thought oceans made our planet unique, but we’re now coming to realize that ‘ocean worlds’ are all around us.
Ocean Worlds Poster
Solar System, Sky Watching
Apr 6, 2017
Stop what you’re doing and mark your calendar. Jupiter can be viewed at opposition from sunset on April 7, 2017 to sunrise on April 8, 2017.
Earth, Sun
Mar 20, 2017
NASA is embracing small satellite designs, from tiny CubeSats to micro-satellites. These miniature marvels are providing many ways to collect science data and to demonstrate new technologies.
NASA Embraces Small Satellites Poster
Earth, ISS
Mar 7, 2017
NASA has launched an ozone sensor to help monitor long-term change in the ozone layer. This sensor, called SAGE III, will be installed on the International Space Station in 2017.
Earth Observation from the Station Poster
Sun, Sky Watching, Eclipses
Feb 24, 2017
On Sunday, February 26th, the moon will pass in front of the sun, transforming rays of sunlight across parts of South America, southern Africa and Antarctica into fat crescents and thin rings of light.
Southern Hemisphere Solar Eclipse Poster
Jan 24, 2017
We’re over 230 episodes in! Which were your favorites? From our home planet to discovering new worlds, find out:
ScienceCasts: Milestones in Review Poster Image
Solar System, Sky Watching, Meteor Showers
Dec 30, 2016
Earth will pass through a stream of debris from comet 2003 EH1 on January 3, 2017, producing a shower of meteors known as the Quadrantids.
New Year's Fireworks Poster 1
Earth
Dec 19, 2016
A three-year NASA field expedition to examine Earth’s coral reefs is now underway, giving scientists the opportunity to study reefs ecology and condition.
A New View of Coral Reefs Poster 1