- A
spheroid, also
known as an
ellipsoid of
revolution or
rotational ellipsoid, is a
quadric surface obtained by
rotating an
ellipse about one of its prin****l...
-
Spheroidal wave
functions are
solutions of the
Helmholtz equation that are
found by
writing the
equation in
spheroidal coordinates and
applying the technique...
- Center), or in a
spheroidal galactic bulge around the
galactic core. However, some
stars inhabit a
spheroidal halo or
galactic spheroid, a type of galactic...
-
rotating spheroid (such as a planet) is the
parallel (circle of latitude) at
which latitude is
defined to be 0°. It is an
imaginary line on the
spheroid, equidistant...
- In
mathematics and
physical science,
spherical harmonics are
special functions defined on the
surface of a sphere. They are
often emplo**** in
solving partial...
- In archaeology, a
spheroid is a
piece of rock that has been
shaped into a
nearly spherical shape (
spheroidal).
Spheroids have been
found at
sites from...
-
Spheroidal weathering is a form of
chemical weathering that
affects jointed bedrock and
results in the
formation of
concentric or
spherical layers of highly...
- An
Earth ellipsoid or
Earth spheroid is a
mathematical figure approximating the Earth's form, used as a
reference frame for com****tions in geodesy, astronomy...
- The
Ordnance Survey National Grid
reference system (OSGB), also
known as
British National Grid (BNG), is a
system of
geographic grid references, distinct...
- iron, also
known as
ductile cast iron,
nodular cast iron,
spheroidal graphite iron,
spheroidal graphite cast iron and SG iron, is a type of graphite-rich...
