You are browsing the archive for 23 October 2009 - Dan's Wild Wild Science Journal.
23 October 2009
Ancient Light Into The Shiny Bucket
Astronomers call telescopes light buckets. This is because they are really just buckets that catch photons of light. Your backyard telescope catches photons that have mostly been travelling through space for a short time. Photons from the moon have only been travelling for 1.5 seconds. The photons from the Sun about 8 minutes. Mars is about 15 light minutes away and Pluto is just under 6 light hours away. So …
Dan Satterfield has worked as an on air meteorologist for 32 years in Oklahoma, Florida and Alabama. Forecasting weather is Dan's job, but all of Earth Science is his passion. This journal is where Dan writes about things he has too little time for on air. Dan blogs about peer-reviewed Earth science for Junior High level audiences and up.