Concept
Heliopause
The edge of the Sun's bubble in space.
The boundary where the solar wind's pressure balances the interstellar medium, marking the outer edge of the heliosphere.
Overview
The boundary where the solar wind's pressure balances the interstellar medium, marking the outer edge of the heliosphere.
See also
Strömgren Sphere
The ionised bubble around a hot star.
Cosmological Constant
A constant energy density of empty space.
Ecliptic
The Sun's apparent annual path across the sky.
Solar Time
Time measured by the Sun's position.
Interstellar Molecule
Interstellar molecule or chemical process found in space.
Diatomic Molecule (ISM)
Interstellar molecule or chemical process found in space.