Stars – from Birth to Death
Born in the cosmic clouds (which can be up to 300 light-years across) known as nebula (meaning cloud) or “stellar […]
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Stars
Sun
The Sun’s Rotation Sections of the Sun The Core The Radioactive Zone The Convection Zone The Photosphere The Chromosphere The
Cepheid Variables
What are Cepheid Variables? Why are they useful? Measuring the Milky Way Hubble’s work with Cepheid