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Stars, Galaxies and Universe
Main Sequence
Main Sequence definition: The distinct diagonal band on an H-R diagram that includes 90% of all stars.
Related Terms
Absolute Magnitude
Apparent Magnitude
Big Bang Theory
Binary Star
Black Hole
Chromosphere
Constellation
Corona
Cosmic Background Radiation
Electromagnetic Spectrum
Galaxy
Globular Cluster
Hertzsprung Russell Diagram
Hubbles Law
Light Year
Nebula
Neutron Star
Nuclear Fusion In The Sun
Open Cluster
Parallax
Photosphere
Protostar
Pulsar
Quasar
Solar Wind
Supernova
Universe
White Dwarf
