Concept
Bolometric Magnitude
Brightness across all wavelengths.
A magnitude integrated across the entire electromagnetic spectrum, capturing an object's total radiative output.
Overview
A magnitude integrated across the entire electromagnetic spectrum, capturing an object's total radiative output.
See also
Apparent & Absolute Magnitude
How astronomers measure brightness.
Ecliptic
The Sun's apparent annual path across the sky.
Proper Motion
A star's drift across the sky over years.
Blueshift
Light shifted to shorter wavelengths.
Absolute Magnitude
Intrinsic brightness on a standard scale.
The Big Bang
How everything began, 13.8 billion years ago.