ASTR 1346 1st Edition Lecture 4 Outline of Last Lecture I The Sun s Solar Structure A The Core B Radiation Zone C Convection Zone D Photosphere E Chromosphere F Corona G Solar Wind Outline of Current Lecture I Convection II Conduction III Radiation IV Helioseismology A GONG B SOHO C SDO Current Lecture l Convection is when heat travels from warmer to cooler objects by circulating air Convection involves liquids and gases ll Conduction is when heat travels from warmer to cooler objects through touch Conduction includes liquids gases and metals lll Radiation is when heat jumps from one object to another and includes all material lV These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best used as a supplement to your own notes not as a substitute Helioseismology is the study of the Sun s waves This is the only way to know about the interior of the Sun because light that we see comes from outside photosphere only Sound is a vibration and moves things up and down and back and forth causing the photosphere to move as well A GONG Global Oscillations Network Group set up small ground telescopes around the world to continuously observe the Sun B SOHO Solar and Heliospheric Observatory also sets up telescopes to continuously observe the Sun C SDO Solar Dynamic Observatory studies the details of the Sun s magnetic field and corona
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