- time and
mean solar time (discussed in this article), and
sidereal time,
which is
based on the
apparent motions of
stars other than the
Sun. A tall pole...
-
reaches a
multiple of 360
degrees the
mean Sun crosses the
vernal equinox and a new
tropical year begins". The
mean tropical year in 2000 was 365.24219...
- four-spoked
mean Sun gear, b1) and in turn
drives the rest of the gear sets. The
Sun gear is b1/b2 and b2 has 64 teeth. It
directly drives the date/
mean sun pointer...
-
gives the
Right ascension of the
fictitious mean Sun,
affected by
aberration (which is used in
finding mean solar time) as τ = 18h 38m 45.836s + 8640184...
- the
fixed stars before the
mean Sun can p****
overhead again, even
though it
rotates only once (360°)
relative to the
mean Sun.
Multiplying the
value in...
-
which directly tracks the
diurnal motion of the
Sun, and
mean solar time,
which tracks a
theoretical mean Sun with
uniform motion along the
celestial equator...
-
Mean Girls is a 2004
American teen
comedy film
directed by Mark
Waters and
written by Tina Fey. It
stars Lindsay Lohan,
Rachel McAdams,
Lacey Chabert,...
-
Sun-synchronous
orbit might ascend across the
equator twelve times a day, each time at
approximately 15:00
mean local time.
Special cases of the
Sun-synchronous...
-
Earth is the time
taken for
Earth to
revolve around the
Sun. Generally, a year is
taken to
mean a
calendar year, but the word is also used for periods...
-
Greenwich Mean Time (GMT) is the
local mean time at the
Royal Observatory in Greenwich, London,
counted from midnight. At
different times in the past...