-
Observational astronomy is
focused on
acquiring data from
observations of
astronomical objects. This data is then
analyzed using basic principles of physics...
- The
astronomical unit (symbol: au or AU) is a unit of
length defined to be
exactly equal to 149597870700 m. Historically, the
astronomical unit was conceived...
- An
astronomical object,
celestial object,
stellar object or
heavenly body is a
naturally occurring physical entity, ****ociation, or
structure that exists...
- the
astronomic and
geodetic normals is
called vertical deflection and is
usually a few
seconds of arc but it is
important in geodesy.
Astronomical latitude...
- In astronomy, the
meridian is the
great circle p****ing
through the
celestial poles, as well as the
zenith and
nadir of an observer's location. Consequently...
- not an
astronomical full moon, but the 14th day of a
lunar month.
Another difference is that the
astronomical equinox is a
natural astronomical phenomenon...
- The
Prague astronomical clock or
Prague Orloj (Czech: Pražský
orloj [praʃskiː orloj]) is a
medieval astronomical clock attached to the Old Town Hall in...
- went into
operation in 1937.
Since then, a
large variety of
complex astronomical instruments have been developed.
Since the
atmosphere is
opaque for most...
- to come on at
sundown and go off at midnight, for example. An
astronomical (or
astronomic)
timer calculates dawn and dusk
times (tracking the sun position)...
- The
Astronomical Observatory of
Mallorca (Spanish:
Observatorio Astronómico de Mallorca, OAM) is an
observatory just
south of Costitx, Mallorca, Spain...
