Science Friday Initiative
Science Friday: Blue Marble: The Making Of
Hear how the famous "blue marble" pictures of Earth are actually built from datasets collected by instruments aboard satellites and then translated into imagery here on the ground.
Science Friday Initiative
Science Friday: Living It Up in Space
Two NASA astronauts aboard the International Space Station talk about life and the view from 220 miles above Earth.
Science Friday Initiative
Science Friday: Space Debris
Last week, two satellites collided in orbit around Earth. We'll check in on the after-effects of that collision, and talk about what the lingering debris from the crash means for future space missions.
Science Friday Initiative
Science Friday: A Journey to the Oort Cloud, Where Comets Are Born
The comet ISON, discovered by two amateur astronomers last year, will zoom past the Earth next fall. But where did it come from?
Science Friday Initiative
Science Friday: An Astronaut Explores Nasa's Scientific Frontiers
Learn how astronaut and astrophysicist John Grunsfeld leads NASA's investigations of Earth and beyond. This astronaut flown the space shuttle five times, and performed eight spacewalks to service the Hubble telescope. [23:32]
PBS
Pbs Learning Media: Inexpensive Inventions and the World's Poor: Earth Sky
Environmental scientist Ashok Gadgil is perhaps best known for his inventions which include an ultraviolet water purifier that can provide clean, cheap water for a thousand people per day and an inexpensive, ultra-efficient cooking stove...
Science Friday Initiative
Science Friday: Spacecraft Records 'Chorus' of Space Sounds
What do Earth's radiation belts sound like? Wonder no more.
Science Friday Initiative
Science Friday: Predicting When Space Junk Will Come Home to Earth
This weekend, another satellite is scheduled to crash to Earth, just a month after the last one.
Science Friday Initiative
Science Friday: Tracking a Space Rock's Streak Past Earth
Asteroid 2012 DA14 spans half a football field, and will whiz by the Earth a mere 17,000 miles above us--closer than many satellites.
Science Friday Initiative
Science Friday: A Trojan Asteroid Keeps Earth Company
Listen as scientist discuss that the moon is not the only body in space following Earth's path. Learn how planet Earth has a new found neighbor, an asteroid that shares our orbit around the sun. [17:30]
Science Friday Initiative
Science Friday: Space Telescope Reawakened for an Asteroid Hunt
NASA will give the dormant WISE space telescope a new task, enlisting it in the hunt for near-Earth asteroids.
Science Friday Initiative
Science Friday: Contaminating Planets
What steps should planetary explorers take to prevent contaminating other planets with life from Earth?
Science Friday Initiative
Science Friday: Colliding Planets (Don't Panic)
New research finds a small -- but present -- chance of a collision between Earth and one of its planetary neighbors in the next few billion years.
Science Friday Initiative
Science Friday: Did Life Start in Mica?
A biophysicist discusses her hypothesis that in the early days of Earth, organic compounds needed for life may have been synthesized in the tiny spaces between sheets of mica rock.
Science Friday Initiative
Science Friday: Studying Rocks Found on Earth for Clues About Space
We'll take a tour of the Center for Meteorite Studies, and learn how meteorites can teach us about the history of the solar system.
PBS
Pbs Learning Media: Warnings of Global Health Impacts of Climate Change
This Utah Education Network podcast features Dr. Roberto Bertollini of the World Health Organization. He discusses the health impacts of climate change, and its disproportionate effect on citizens of developing countries.
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