Månens faser under December

• 2018-11-30: Avtagande halvmåne
• 2018-12-07: Nymåne
• 2018-12-12: Månen längst från jorden (405200 km)
• 2018-12-15: Växande halvmåne
• 2018-12-22: Fullmåne
• 2018-12-24: Månen närmast jorden (361100 km)
• 2018-12-29: Avtagande halvmåne
• 2019-01-06: Nymåne

Kvällshimlen under December

• 2018-12-02: Venus lyser klarast
• 2018-12-03: Månen 8° norr om Spica
• 2018-12-03: Månen 4° norr om Venus
• 2018-12-05: Månen 2° norr om Merkurius
• 2018-12-07: Mars 0.1° N om Neptunus
• 2018-12-07: (433) Eros i opposition
• 2018-12-09: Månen 1° norr om Saturnus
• 2018-12-14: Geminiderna i maximum. Synliga 7-15 dec
• 2018-12-15: Månen 4° söder om Mars
• 2016-12-16: Kometen 46P/Wirtanen närmast jorden, men synlig större delen av december
• 2018-12-20: Jupiter 5° norr om Antares
• 2018-12-20: Månen 9° söder om Pleiaderna (Alcyone)
• 2018-12-21: Merkurius 6° norr om Antares
• 2018-12-21: Månen 2° norr om Aldebaran
• 2018-12-21: Merkurius 1° norr om Jupiter
• 2018-12-21: Vintersolstånd
• 2018-12-22: Merkurius 6° norr om Antares
• 2018-12-22: Ursiderna i maximum. Synliga 17-24 dec
• 2018-12-24: Månen 7° söder om Pollux
• 2018-12-26: Månen 3° norr om Regulus
• 2018-12-30: Månen 8° norr om Spica

Rymdfartshistoria under December

• 1960-12-01: Korabl-Sputnik 3, Cospar-ID 1960-017A
• 1995-12-02: Solar and Heliospheric Observatory, Cospar-ID 1995-065A
• 1965-12-03: Luna 8, Cospar-ID 1965-099A
• 2014-12-03: Hayabusa2, Cospar-ID 2014-076A
• 1959-12-04: Little Joe 2, Cospar-ID LILJOE-2
• 1965-12-04: Gemini 7, Cospar-ID 1965-100A
• 1957-12-06: Vanguard TV3, Cospar-ID VAGT3
• 1958-12-06: Pioneer 3, Cospar-ID 1958-008A
• 1972-12-07: Apollo 17, Cospar-ID 1972-096A
• 1998-12-10: Astrid 2, Cospar-ID 1998-072B
• 1999-12-10: XMM-Newton, Cospar-ID 1999-066A
• 1971-12-11: Ariel 4, Cospar-ID 1971-109A
• 1961-12-12: OSCAR 1, Cospar-ID 1961-034B
• 1967-12-13: Pioneer 8, Cospar-ID 1967-123A
• 2009-12-14: Wide-field Infrared Survey Explorer, Cospar-ID 2009-071A
• 1960-12-15: Pioneer P-31, Cospar-ID PIONZ
• 1965-12-15: Gemini 6A, Cospar-ID 1965-104A
• 1984-12-15: Vega 1, Cospar-ID 1984-125A
• 1965-12-16: Pioneer 6, Cospar-ID 1965-105A
• 1960-12-19: Mercury Redstone 1A, Cospar-ID MERCR1A
• 2013-12-19: Gaia, Cospar-ID 2013-074A
• 1968-12-21: Apollo 8, Cospar-ID 1968-118A
• 1984-12-21: Vega 2, Cospar-ID 1984-128A
• 1961-12-22: SAMOS 5, Cospar-ID 1961-035A

Aktiviteter under December

• 2018-12-05: Julföreläsning: Michael Faradays 190-åriga tradition
• 2018-12-08: Nobel-föreläsningar

Newsfeed

• 2018-11-19: Cosmic Serpent
• 2018-11-15: Trans-galactic Streamers Feeding Most Luminous Galaxy in the Universe
• 2018-11-14: Super-Earth Orbiting Barnards Star
• 2018-11-13: Once-In-A-Lifetime Observations by Veritas Astronomers Reveal High Energy Gamma-Rays from a Binary Star System
• 2018-11-07: Comet 17P/Holmes which exhibited a Great Outburst in October 2007 was Born in a Region of the Solar Nebula Far from the Sun
• 2018-10-25: The ghost of Cassiopeia
• 2018-10-22: Gravitational waves could soon provide measure of universe’s expansion
• 2018-10-20: BepiColombo
• 2018-10-19: Oumuamua
• 2018-10-17: Measuring the Age of the Universe
• 2018-10-17: Largest Galaxy Proto Supercluster Found
• 2018-10-16: Exciting Chirping Whistler Waves
• 2018-10-12: Little Supernova is Big Discovery: the Origin of Binary Neutron Stars
• 2018-10-10: Pulsar in a Box Reveals Surprising Picture of a Neutron Stars Surroundings
• 2018-10-08: When Is a Nova Not a ‘Nova’? When a White Dwarf and a Brown Dwarf Collide
• 2018-10-03: Subaru Telescope Discovers a New Extremely Distant Solar System Object During Hunt for Planet X
• 2018-10-03: Hubble finds compelling evidence for a moon outside the Solar System
• 2018-09-26: VLA Discovers Powerful Jet Coming from Wrong Kind of Star
• 2018-09-19: Looking Back in Time to Watch for a Different Kind of Black Hole
• 2018-09-19: GAIA hints at out Galaxys turbulent life
• 2018-09-13: Astronomers Witness Birth of New Star from Stellar Explosion
• 2018-09-06: Fierce Winds Quench Wildfire-like Starbirth in Far-flung Galaxy
• 2018-09-05: Radio Observations Confirm Superfast Jet of Material From Neutron Star Merger
• 2018-09-04: Veiled Supernovae Provide Clue to Stellar Evolution
• 2018-08-17: Astronomers observe cosmic steam jets and molecules galore
• 2018-08-16: Astronomers Identify Some of the Earliest Galaxies in the Universe
• 2018-08-10: Unraveling the Stellar Content of Young Clusters
• 2018-07-30: Subaru Telescope Snaps Close-up Infrared Shot of Mars
• 2018-07-30: Pair of Colliding Stars Spill Radioactive Molecules into Space
• 2018-07-26: Enduring ‘Radio Rebound’ Powered by Jets from Gamma-Ray Burst
• 2018-07-20: How Disc Galaxies Work
• 2018-07-20: Astronomers Find 12 New Moons, One Oddball, Orbiting Jupiter
• 2018-07-17: From an almost perfect Universe to the best of both worlds
• 2018-07-12: VLA Gives Tantalizing Clues About Source of Energetic Cosmic Neutrino
• 2018-07-11: Colourful Celestial Landscape
• 2018-07-09: Distant Quasar Providing Clues to Early-Universe Conditions
• 2018-07-04: Even Phenomenally Dense Neutron Stars Fall like a Feather

2018-07-27 Blodmåne (Foto: Magnus Norden)

2014-11-25 Skymning över Brunnsviken (Foto: Magnus Norden)

2011-12-10 Månförmörkelse (Foto: Magnus Norden)