National Aeronautics and Space Administration

Unit Conversion Exercises

Radiation Background and Lifestyles

A Perspective on Radiation Dosages

Having a Hot Time on Mars!

Calculating Total Radiation Dosages at Mars

Single Event Upsets in Aircraft Avionics

The Deadly Van Allen Belts?

Systems of Equations in Space Science

Monster Functions in Space Science

Parametric Functions and Substitution

Radon Gas in the Basement

Some Puzzling Thoughts about Space Radiation

Moving Magnetic Fields near Sunspots

Correcting Bad Data using Parity Bits

Data Corruption by High-Energy Particles

The Pressure of a Solar Storm

Are U Nuts?

Lunar Meteorite Impact Risk

Beyond the Blue Horizon

Measuring the Speed of a Solar Tsunami

Do Fast CMEs Produce Intense SPEs?

Atmospheric Shielding from Radiation Part I

Atmospheric Shielding from Radiation Part II

Atmospheric Shielding from Radiation Part III

Introduction to Radiation Shielding

Astronomy as a Career

Solar Storms; Odds, Fractions and Percentages

A Study of Astronaut Radiation Dosages

Hinode Satellite Power

Hinode - A Closeup of a Sunspot

Compound Interest

Solar Flare Reconstruction

A Lunar Transit of the Sun from Space

The Hinode Satellite Views the Sun

The Sunspot Cycle - Endings and beginnings