December 1, 2023
The phase of the Moon is waning
gibbous today.
December 2, 2023
The phase of the Moon is waning
gibbous today.
Birthday of the world famous
astronomer.
December 3, 2023
The phase of the Moon is waning
gibbous today.
December 4, 2023
The phase of the Moon is waning
gibbous today.
December 5, 2023
The Moon reaches third quarter
phase at 5:49 U.T. today.
December 6, 2023
The phase of the Moon is waning
crescent today.
December 7, 2023
The phase of the Moon is waning
crescent today.
December 8, 2023
The phase of the Moon is waning
crescent today.
December 9, 2023
The phase of the Moon is waning
gibbous today.
December 10, 2023
The phase of the Moon is waning
crescent today.
December 15, 2023
The phase of the Moon is waxing
crescent today.
December 17, 2023
The phase of the Moon is waxing
crescent today.
December 18, 2023
The phase of the Moon is waxing
crescent today.
December 19, 2023
The Moon is at first quarter
phase at 18:39 U.T. today.
December 20, 2023
The phase of the Moon is waxing
gibbous today.
December 21, 2023
The phase of the Moon is waxing
gibbous today.
December 22, 2023
The phase of the Moon is waxing
gibbous today.
December 23, 2023
The phase of the Moon is waxing
gibbous today.
The winter solstice occurs in 2023
at 3:27 U.T. At that time, the Sun will
be at its farthest distance south of the
celestial equator as seen from Earth.
1672: Giovanni Cassini discovers
Saturn's moon Rhea
December 24, 2023
The phase of the Moon is waxing
gibbous today.
December 25, 2023
The phase of the Moon is waxing
gibbous today.
Isaac Newton born this day in
1642. Or was he?
December 26, 2023
The phase of the Moon is waxing
gibbous today.
December 27, 2023
The Moon is Full at 0:33 U.T.
today. The Full Moon of December is
called the ‘Shopping Moon’ in modern
folklore.
1571: Johannes Kepler born,
Kepler used Tycho’s extensive records
of Mars's positions to formulate the
three laws of planetary motion.
December 28, 2023
The phase of the Moon is waning
gibbous today.
December 29, 2023
The phase of the Moon is waning
gibbous today.
December 30, 2023
The phase of the Moon is waning
gibbous today.
1930: Robert Goddard launches
rocket to 600 meters altitude, first
liquid fuel rocket to reach higher than
100 meters.
December 31, 2023
The phase of the Moon is waning
gibbous today.
Birthday of Robert G. Aitken,
(1864) American observer who
discovered and catalogued more than
3100 binary star systems.
Also the birthday of George
Ritchey, who created innovative new
telescope designs.