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?
NASA
Nasa Space Place: Solar System Formation
Animated video tells the story of how the solar system came to be. [3:02]
Science Friday Initiative
Science Friday: Science Diction: Comet
In this month's Science Diction, we look at the origins of the word 'comet.
Science Friday Initiative
Science Friday: A Trip to a Comet
Last week, a NASA mission paid a visit to comet Hartley 2, flying by at a distance of just a few hundred miles. We'll talk about what they learned in this audio lecture. [12:12]
Science Friday Initiative
Science Friday: Tracking Near Earth Objects
The US spends $4 million each year to search for comets or asteroids that could threaten the planet. That's not enough to get the job done, according to a new report from the National Research Council.
Science Friday Initiative
Science Friday: Studying Comet Contents
We'll check in with researchers on the Stardust probe, which captured dust from comet Wild-2 in 2004.
Science Friday Initiative
Science Friday: New Meteor Shower May Offer Skygazers a Treat, or Not
Late Friday night, Earth will sail through debris left by the comet 209P/LINEAR. Scientists are calling the shower the Camelopardalids.
Science Friday Initiative
Science Friday: Ison: The Comet of the Century . . . Or Is It?
As Comet ISON skirts the sun, it could be destroyed or emerge, even more spectacular than before.