-
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
International Astronomical Union (IAU; French:
Union astronomique internationale, UAI) is an
international non-governmental
organization (INGO) with...
-
question marks, boxes, or
other symbols.
Astronomical symbols are
abstract pictorial symbols used to
represent astronomical objects,
theoretical constructs and...
- 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...
- An
astronomical clock, horologium, or
orloj is a
clock with
special mechanisms and
dials to
display astronomical information, such as the
relative positions...
- The
Astronomical League is an
umbrella organization of
amateur astronomy societies.
Currently their membership consists of over 330
organizations across...
- calendar), as well as
periods loosely ****ociated with the
calendar or
astronomical year, such as the
seasonal year, the
fiscal year, the
academic year,...
