Mark Matney

Oct. 21, 2011

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.

space spacecraft satellite reentry crash

Feb. 20, 2009

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.

space debris, space junk, collision, crash, satellite, spaceflight

AVAILABLE IN ITUNES

Michael Pollan Talks Plants and Food

view more

FEATURED PLAYLIST

Baby, It's Cold Outside

BOOKS BY OUR GUESTS

Mystery Box

Snowflake Safari

\tWinter weather means more than sledding and snowmen. Next snowstorm, grab a magnifying glass and try snowflake hunting. Bullet rosettes, stellar plates, and capped columns are just a few of the varieties of snow crystal you can find in your backyard. Kenneth Libbrecht, physicist at Caltech and snowflake expert, shares secrets of the snowflake.

\tVideo originally published on ScienceFriday.com on December 31, 2009

Science Friday® is produced by the Science Friday Initiative, a 501(c)(3) nonprofit organization.

Science Friday® and SciFri® are registered service marks of Science Friday, Inc. Site design by Pentagram; engineering by Mediapolis.

 

topics