Size (Radius) -› measured by knowing distance to the Sun

Mass -› measured using Newton's version of Kepler's #3

Solar Rotation

video

plot

3-D view 1    3-D view 2

Magnetic Field

Small-scale     loops     spots

medium-scale

large-scale

Spectral Energy Distribution     spectrum    image

Sun v. λ   latest     local

Solar Atmosphere - Temperature Profile

Photosphere

granulation and convection

sunspots   Galileo     current     March 2001     Large Group

Sunspot Cycle     Schwabe's Discovery

sunspot numbers   recent     Cycle 24     Maunder Minimum

Butterfly Diagram

magnetic field v. hemisphere

video     paper     model

Chromosphere

plage

prominence   filament

flare   1     2     video1     video2

Corona

visible during a TSE

CMEs     Video

Solar Wind

wind + comet     Comet Ison

Earth's magnetosphere

Aurorae, from the ISS. from Earth, Space Weather

Jupiter's aurora

Saturn's aurora