- In astronomy, an
analemma (/ˌænəˈlɛmə/; from
Ancient Gr**** ἀνάλημμα (
analēmma) 'support') is a
diagram showing the
position of the Sun in the sky as seen...
- figure-8. An
analemma can be
pictured by
superimposing photographs taken at the same time of day, a few days
apart for a year. An
analemma can also be...
-
Orthographic projection (also
orthogonal projection and
analemma) is a
means of
representing three-dimensional
objects in two dimensions. Orthographic...
-
through the year,
along with
solar noon.
These effects are
plotted by an
analemma.
Neglecting atmospheric refraction and the Sun's non-zero size, whenever...
- Sun, and the
Earth and Moon's
paired revolutions around each other. The
analemma can be used to make
approximate predictions of the time of sunrise. In...
- to the
analemma. The dial of Brou in
front of the
church of Brou in Bourg-en-Bresse,
France is an
example of the
erroneous use of the
analemma in the...
-
solar time is the
equation of time,
which can also be seen in Earth's
analemma.
Because of the
variation in the
length of the
synodic day, the days with...
- have done for a
heliocentric one,
presumably for
didactic purposes. The
Analemma is a
short treatise where Ptolemy provides a
method for
specifying the...
-
position in the sky
during the
course of the year (see
Equation of time and
Analemma). Sun-synchronous
orbits are
mostly selected for
Earth observation satellites...
-
During 1978 and 1979 he was the
first person to
successfully photograph the
analemma,
making 48
separate exposures on a
single piece of film
during a 12-month...