Magazine content is available exclusively for TIME subscribers.Science: Radiation Belt
Space near the earth is not as beset with micrometeorites as some space pessimists have feared. During last week's Washington meeting of the American Physical Society, Drs. Edward Manring and Maurice Dubin of the Air Force Cambridge Research Center told about the experiences of the Army's satellite Explorer I, which carries two meteorite detectors. One of them, a microphone that picks up the slight vibrations in the satellite's shell that are caused by the smallest dust particles, registered only seven hits during the 120 minutes that the transmitter could be heard. The other detector, a set of delicate coils designed...
Email, Password or Region is incorrect
A required form parameter was missing.
The System is currently down. Please try again in a few minutes.
Email Address is invalid
Password is blank
Most Popular »
- The Best and Worst of the 2012 Grammys
- 2012 Grammys Red Carpet: Six OMG Fashion Moments
- A History of Kids and Sleep: Why They Never Get Enough
- Why American Kids Are Brats
- Foo Fighters and Adele Win Big at Grammys
- Eat like an Italian
- It's Alive! The Greatest Space Telescope Ever Built Survives
- The Walking Dead Watch: Nebraska
- The Voice: Whitney Houston (1963-2012)
- Whitney Houston: A Life in Photos
- It's Alive! The Greatest Space Telescope Ever Built Survives
- The Upside Of Being An Introvert (And Why Extroverts Are Overrated)
- The Greeks Pass Austerity, but Are They Being Priced Out of Their Lives?
- Sentencing Spain's 'Superjudge': Why Baltasar Garzón Is Being Punished
- Friends With Benefits
- Why Is Your Boss Moving to Brazil?
- What a Real-Time Copy of the Mona Lisa Reveals About Leonardo
- Eat like an Italian
- N. Dakota College Shaken by False Degrees
- Kids with ADHD May Learn Better by Fidgeting
More News from Our Partners
Top Stories on TIME.com
Quotes of the Day »
