Open AccessJust how round is the Sun?
Publication year - 2012
Publication title -
astronomy & geophysics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.168
H-Index - 22
eISSN - 1468-4004
pISSN - 1366-8781
DOI - 10.1111/j.1468-4004.2012.53504_2.x
Subject(s) - astrobiology , astronomy , environmental science , physics
Surprisingly round, is the answer determined by researchers using a SDO instrument to track the shape of the Sun over time. This is in conflict with theories that suggest the Sun's shape should change in line with its 11‐year magnetic cycle.