The sun formed at the hot and dense centre of this disc, while the planets grew by accretion in
the cooler outer regions.
According to the geochemist, comets originate in
the cool outer regions of the solar system where volatile water and carbon compounds condensed into ice.
Not exact matches
The
region is located right above the boundary between the hot liquid
outer core and the stiffer,
cooler mantle.
The PPPL code, called XGC, simulates behavior of the ions, electrons and neutral atoms in the transport barrier
region — or «pedestal» — between the ultra-hot core of the plasma that fuels fusion reactions and the
cooler and turbulent
outer edge of the plasma.
By increasing the opacity of the star's atmosphere, light radiating outwards from the hotter, inner
regions of the star is absorbed, and only light coming from the
outer,
cooler layers of the star escapes.
Information about the ang... ▽ More When the core hydrogen is exhausted during stellar evolution, the central
region of a star contracts and the
outer envelope expands and
cools, giving rise to a red giant, in which convection occupies a large fraction of the star.
Abstract: When the core hydrogen is exhausted during stellar evolution, the central
region of a star contracts and the
outer envelope expands and
cools, giving rise to a red giant, in which convection occupies a large fraction of the star.