- 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...
-
Observational astronomy is
focused on
acquiring data from
observations of
astronomical objects. This data is then
analyzed using basic principles of physics...
- An
astronomical object,
celestial object,
stellar object or
heavenly body is a
naturally occurring physical entity, ****ociation, or
structure that exists...
-
University of Barcelona, and an
active member of GEA (Grup d'Estudis
Astronòmics, Barcelona). He has
discovered more than
sixty asteroids, of
which 55...
- 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...
-
Engineering on an
astronomical scale, or
astronomical engineering, i.e.,
engineering involving operations with
whole astronomical objects (planets, stars...
- An
astronomical catalogue is a list or
tabulation of
astronomical objects,
typically grouped together because they
share a
common type, morphology, origin...
- The
Astronomical League is an
umbrella organization of
amateur astronomy societies.
Currently their membership consists of over 330
organizations across...
- 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...
