Skip to main content
1951 Jan 6 Looking ahead to 1951
1951 Jan 13 Frank Scott Hogg
1951 Jan 20 Kapteyn
1951 Jan 27 Sunspot Minimum
1951 Feb 3 VJM Moon Conjunction
1951 Feb 10 Greenwich-Herstmonceaux
1951 Feb 17 VJM
1951 Feb 24 Zodiacal Light
1951 Mar 3 Partial Solar Eclipse
1951 Mar 10 Radio Telescopes
1951 Mar 17 Vernal Equinox
1951 Mar 24 Date of Easter
1951 Mar 31 Mercury
1951 Apr 7 DDO, Photos, Saturn
1951 Apr 14 Saturn
1951 Apr 21 Temperature of the Moon
1951 Apr 28 Craters on Earth and Mars
1951 May 5 Tilt of Moons' Horns, Weather
1951 May 12 Coma Galaxies
1951 May 19 Fred Hoyle
1951 May 26 Sunspots, fireball
1951 Jun 2 Uranus
1951 Jun 9 Capella
1951 Jun 16 low Full Moon
1951 Jun 23 Venus
1951 Jun 30 Milky Way
1951 Jul 7 Thomas Jefferson
1951 Jul 14 Roemer Bradley Michelson
1951 Jul 21 Icarus
1951 Jul 28 Venus
1951 Aug 4 AAS Washington discovery of Hydrogen by Radio
1951 Aug 11 Perseids
1951 Aug 18 First Palomar Results
1951 Aug 25 solar eclipse
1951 Sep 1 solar eclipse
1951 Sep 8 Radial Velocity
1951 Sep 15 Harvest Moon
1951 Sep 22 Jupiter
1951 Sep 29 Interstellar Hydrogen gas
1951 Oct 6 Nereid
1951 Oct 13 Birds across moon
1951 Oct 20 12th moon of Jupiter
1951 Oct 27 Canopus
1951 Nov 3 Pluto
1951 Nov 10 Flare stars
1951 Nov 17 MVSJ Moon Conjunctions
1951 Nov 24 Pleiades
1951 Dec 1 Algol
1951 Dec 8 Full Moon, Geminids
1951 Dec 15 18-month sunspot
1951 Dec 22 Star of Bethlehem
1951 Dec 29 Earth at Perihelion
1952 Jan 5 H-R Diagram
1952 Jan 12 Orion
1952 Jan 19 Sirius
1952 Jan 26 Baldwin lunar craters
1952 Feb 2 Julian Calendar
1952 Feb 9 partial lunar eclipse
1952 Feb 16 Ursa Major legends
1952 Feb 23 eclipse expedition to Africa
1952 Mar 1 Vesta
1952 Mar 8 Supernova theory
1952 Mar 15 Mercury JSM
1952 Mar 22 Mercury Jupiter Moon
1952 Mar 29 31 Cygni long period eclipser
1952 Apr 5 DDO Coelostat
1952 Apr 12 Leonardo
1952 Apr 19 Hydrogen Nebulae
1952 Apr 26 Mars
1952 May 3 Mars
1952 May 10 Moon illusion
1952 May 17 UFOs and meteorites
1952 May 24 Mars Moons, Jonathan Swift
1952 May 31 Project Diana radio reflection
1952 Jun 7 UFOs and mirages
1952 Jun 14 Rockets and satellites
1952 Jun 21 summer solstice
1952 Jun 28 AE Aquarii
1952 Jul 5 Earth at apohelion
1952 Jul 12 Luyten white dwarf
1952 Jul 19 Climate change
1952 Jul 26 Scorpius
1952 Aug 2 Nova
1952 Aug 9 Perseids
1952 Aug 16 Star distances
1952 Aug 23 120-inch Lick telescope
1952 Aug 30 Gregorian Calendar
1952 Sep 6 Jupiter
1952 Sep 13 UFO's
1952 Sep 20 Andromeda galaxy
1952 Sep 27 Harvest Moon
1952 Oct 4 IAU Rome
1952 Oct 11 Columbus, roundness of Earth
1952 Oct 18 Bernard Lyot
1952 Oct 25 Camera obscura
1952 Nov 1 Zwicky galaxy filaments
1952 Nov 8 Jupiter's Moons
1952 Nov 15 Leonids
1952 Nov 22 Comet Biela
1952 Nov 29 Tektites
1952 Dec 6 solar eclipse
1952 Dec 13 Winter stars
1952 Dec 20 Star of Bethlehem
1952 Dec 27 Lunar calendar
1953 Jan 3 Planets in 1953
1953 Jan 10 Neutron Stars
1953 Jan 17 Geological Ages
1953 Jan 24 Total Lunar Eclipse
1953 Jan 31 Venus at Evening Elongation
1953 Feb 7 Atmospheric Research
1953 Feb 14 Storm Surges
1953 Feb 21 Earth Impacts
1953 Feb 28 Mars Venus Mercury
1953 Mar 7 Planetary Photography
1953 Mar 14 Spring Equinox
1953 Mar 21 Earth's Rotation
1953 Mar 28 Radio Stars
1953 Apr 4 Moon effect on Climate
1953 Apr 11 Saturn
1953 Apr 18 Wilson's Asteroid
1953 Apr 25 Speed of Planets
1953 May 2 Greenwich Meridian
1953 May 9 Solar Cycle
1953 May 16 Messier 13
1953 May 23 Saturn
1953 May 30 Formation of Earth
1953 Jun 6 Meteorites
1953 Jun 13 Canadian Meteorites
1953 Jun 20 summer solstice
1953 Jun 27 June 30 '54 Eclipse
1953 Jul 4 Palomar Luminosity
1953 Jul 11 Vegetation on Mars
1953 Jul 18 Green Flash
1953 Jul 25 Eclipse Season
1953 Aug 1 Milky Way
1953 Aug 8 Perseids
1953 Aug 15 Space Travel
1953 Aug 22 Lunar Transient Phenomena
1953 Aug 29 Andromeda Galaxy
1953 Sep 5 Mars Canals
1953 Sep 12 Algol
1953 Sep 19 Harvest Moon
1953 Sep 26 Daylight Saving Time
1953 Oct 3 Hubble Galaxy Sequence
1953 Oct 10 Astronomers meet at DDO
1953 Oct 17 Transit of Mercury
1953 Oct 24 Telescope Design
1953 Oct 31 New sunspot cycle
1953 Nov 7 Transit of Mercury
1953 Nov 14 Tidal Friction
1953 Nov 21 Winter stars and planets
1953 Nov 28 No Column
1953 Dec 5 Orion
1953 Dec 12 Geminids
1953 Dec 19 Jupiter
1953 Dec 26 General Catalogue of Stellar Radial Velocities
1954 Jan 2 Rhyming Constellation Calendar
1954 Jan 9 Magellanic Clouds
1954 Jan 16 Lunar Eclipse
1954 Jan 23 Ontario Bolide
1954 Jan 30 Jupiter
1954 Feb 6 Comet Padjusakova
1954 Feb 13 Mercury Transit
1954 Feb 20 Supernova
1954 Feb 27 Mars at Quadrature
1954 Mar 6 Cosmic Rays at Altitude
1954 Mar 13 Discovery of Uranus and Pluto
1954 Mar 20 Vernal Equinox
1954 Mar 27 Solar Nebula
1954 Apr 3 Venus, Jupiter, Saturn, Mars
1954 Apr 10 Double Stars
1954 Apr 17 Determining Easter
1954 Apr 24 Saturn at DDO
1954 May 1 Sunspot Cycle
1954 May 8 Total Solar Eclipse
1954 May 15 Total Solar Eclipse
1954 May 22 Venus and Jupiter
1954 May 29 Proxima Centauri
1954 Jun 5 Mars Opposition
1954 Jun 12 Weather Permitting
1954 Jun 19 Mars Polar Cap
1954 Jun 26 Total Solar Eclipse
1954 Jul 3 Mars
1954 Jul 10 Partial Lunar Eclipse
1954 Jul 17 Supernova
1954 Jul 24 Milky Way
1954 Jul 31 O'Neil's Bridge
1954 Aug 7 Perseids
1954 Aug 14 Eclipse results
1954 Aug 21 Saturn at DDO
1954 Aug 28 Venus
1954 Sep 4 Epsilon Aurigae
1954 Sep 11 Harvest Moon
1954 Sep 18 Great Comets
1954 Sep 25 Andromeda Galaxy
1954 Oct 2 Mars
1954 Oct 9 Venus
1954 Oct 16 Milky Way
1954 Oct 23 Mars
1954 Oct 30 Climate
1954 Nov 6 MOUSE Satellite
1954 Nov 13 gaseous tail of Earth
1954 Nov 20 Venus Saturn Mercury
1954 Nov 27 Nova Herculis 1934
1954 Dec 4 Comets
1954 Dec 11 Venus
1954 Dec 18 Winter Solstice
1954 Dec 24 Venus/Saturn conjunction, Star of Bethlehem
1954 Dec 31 Plans for 1955
1955 Jan 8 Jupiter/Uranus Conjunction
1955 Jan 15 Daytime Venus
1955 Jan 22 Venus
1955 Jan 29 Winter Stars
1955 Feb 5 Sunspot Cycle
1955 Feb 12 Moon, Venus
1955 Feb 19 Mira
1955 Feb 26 Nearby Stars
1955 Mar 5 Solar magnetic storms
1955 Mar 12 Telling Time by the Stars
1955 Mar 19 Vernal Equinox
1955 Mar 26 Stellar atomic reactions
1955 Apr 2 David Dunlap Observatory
1955 Apr 9 Moons of Jupiter
1955 Apr 16 Radio windows in earth's atmosphere
1955 Apr 23 Occultation of Mars
1955 Apr 30 Ross 614B
1955 May 7 Jupiter Uranus Conjunction
1955 May 14 Jupiter's Moons
1955 May 21 Eclipse nodes
1955 May 28 Cosmic Rays
1955 Jun 4 Epsilon Aurigae
1955 Jun 11 Saturn's Rings
1955 Jun 18 Solar Eclipse
1955 Jun 25 Comet Mrkos
1955 Jul 2 Comet Mrkos
1955 Jul 9 Epsilon Aurigae
1955 Jul 16 Mars-Saturn Conjunction
1955 Jul 23 lunar atmosphere
1955 Jul 30 Mars photography
1955 Aug 6 Navajo Supernova
1955 Aug 13 MOUSE Satellite
1955 Aug 20 Lunar Transient Phenomena
1955 Aug 27 International Astronomical Union
1955 Sep 3 Satellites and cosmic rays
1955 Sep 10 IAU Dublin
1955 Sep 17 Effects of solar flares
1955 Sep 24 T Tauri Stars
1955 Oct 1 Two Full Moons in a month, Harvest Moon
1955 Oct 8 Venus clouds
1955 Oct 15 Speed of light experiments
1955 Oct 22 Solar energy heating
1955 Oct 29 Pluto's rotation
1955 Nov 5 IGY
1955 Nov 12 Radio sources
1955 Nov 19 IGY Satellites
1955 Nov 26 IGY Rockets
1955 Dec 3 Venus inclination
1955 Dec 10 Annular eclipse
1955 Dec 17 Winter solstice
1955 Dec 24 Astronomy funding
1955 Dec 31 Summing up 1955
1956 Jan 7 Plans for 1956
1956 Jan 14 Imbrium Impact
1956 Jan 21 Radio Astronomy
1956 Jan 28 Galaxy Collisions
1956 Feb 4 Foucault Pendulum
1956 Feb 11 Vesta
1956 Feb 18 Jupiter
1956 Feb 25 Spitz, satellites
1956 Mar 3 Find Planet Rotation by albedo, radio
1956 Mar 10 McMath-Hubert Solar Observatory
1956 Mar 17 Vernal equinox, Venus, Jupiter, Pluto
1956 Mar 24 Easter Moon, Spring Stars
1956 Mar 31 Canada at AAS Meeting
1956 Apr 7 Craters on Canadian Shield
1956 Apr 14 Radio rotation of Jupiter
1956 Apr 21 Sky full of planets, Ahnighito meteorite
1956 Apr 28 Radiotelescope in Massachusetts
1956 May 5 Large shell stars
1956 May 12 Magellanic Clouds
1956 May 19 Sikhote Alin Meteorites
1956 May 26 Venus
1956 Jun 2 Mass-energy equivalency
1956 Jun 9 Radial velocities of galaxies
1956 Jun 16 Radio results from Venus
1956 Jun 23 Mount Stromlo
1956 Jun 30 Summer Solstice
1956 Jul 7 Approach of Mars
1956 Jul 14 Solar corona
1956 Jul 21 Opposition of Mars
1956 Jul 28 Halley's Comet
1956 Aug 4 Perseids
1956 Aug 11 Polaris
1956 Aug 18 Dollfus photographs Venus
1956 Aug 25 Mars
1956 Sep 1 DAO Double Stars Conference
1956 Sep 8 Mars
1956 Sep 15 Harvest Moon
1956 Sep 22 Equinox
1956 Sep 29 Mars, Venus, Pluto as lost moon
1956 Oct 6 Occultation of Antares
1956 Oct 13 Novae in Andromeda Galaxy
1956 Oct 20 Venus Jupiter conjunction in Leo
1956 Oct 27 Star death
1956 Nov 3 Algol
1956 Nov 10 No Column
1956 Nov 17 lunar eclipse
1956 Nov 24 stellar evolution
1956 Dec 1 Chant Obituary
1956 Dec 8 Geminids
1956 Dec 15 400 years of Halley
1956 Dec 22 Planets, star of Bethlehem
1956 Dec 29 1956 results
1957 Jan 5 AAS New York Meeting
1957 Jan 12 Canadian Impact Craters
1957 Jan 19 Castor duplicity
1957 Jan 26 Observatory publications & plate libraries
1957 Feb 2 Project Moonwatch
1957 Feb 9 Comet Arend-Roland
1957 Feb 16 Owens Valley Radio Observatory
1957 Feb 23 Schmidt Telescope
1957 Mar 2 Mars in Taurus
1957 Mar 9 Impact Crater Theory
1957 Mar 16 Jupiter Opposition
1957 Mar 23 Uranus in Beehive
1957 Mar 30 Sunspot Maximum
1957 Apr 6 Comet Arend-Roland
1957 Apr 13 Solar Energy
1957 Apr 20 Mars Opposition Results
1957 Apr 27 Saturn occults star, Arend-Roland
1957 May 4 Arend-Roland, Mercury Transit
1957 May 11 Arend-Roland, Lunar Eclipse
1957 May 18 Arend-Roland
1957 May 25 Launching a Satellite
1957 Jun 1 Saturn Opposition
1957 Jun 8 Mt Wilson Solar Report
1957 Jun 15 Impacts and Tektites
1957 Jun 22 Barringer Crater
1957 Jun 29 30 Doradus
1957 Jul 6 Summer Planets
1957 Jul 13 31 Moons
1957 Jul 20 Big Dipper
1957 Jul 27 Star counting
1957 Aug 3 Saturn's Moons
1957 Aug 10 Perseids
1957 Aug 17 Comet Mrkos
1957 Aug 24 Comet Arend-Roland
1957 Aug 31 Moon and Saturn
1957 Sep 7 Harvest Moon
1957 Sep 14 Aurorae and IGY
1957 Sep 21 1769 Transit of Venus
1957 Sep 28 List of Great Aurorae
1957 Oct 5 Andromeda Galaxy
1957 Oct 12 Sputnik
1957 Oct 19 Sputnik
1957 Oct 26 Russian high altitude research
1957 Nov 2 Mira
1957 Nov 9 Speed in Space
1957 Nov 16 Venus Evening UFO
1957 Nov 23 Leonids
1957 Nov 30 Meteorites
1957 Dec 7 Pleiades
1957 Dec 14 Cosmic Dust
1957 Dec 21 Star of Bethelem
1957 Dec 28 Orion
1958 Jan 4 Mars
1958 Jan 11 Summing up 1957
1958 Jan 18 Naming Asteroids
1958 Jan 25 Uranus, Praesepe
1958 Feb 1 Spot on Venus, Features on Mars
1958 Feb 8 Temperatures of Planets
1958 Feb 15 Project Stratoscope solar balloon
1958 Feb 22 Sunspot Theory Revision
1958 Mar 1 Sputnik Slow Re-entry
1958 Mar 8 Cosmic Dust in Atmosphere
1958 Mar 15 Vernal Equinox, Mercury
1958 Mar 22 Comet Schwassmann-Wachmann
1958 Mar 29 Radio Occultation of Crab Nebula
1958 Apr 5 Flight to Venus
1958 Apr 12 London Planetarium
1958 Apr 19 Moons of Neptune
1958 Apr 26 Satellites and the Moon
1958 May 3 Zodiacal Light
1958 May 10 White Dwarfs
1958 May 17 Herschel and Eta Carinae
1958 May 24 Jupiter and Saturn
1958 May 31 Ice Age Theory
1958 Jun 7 1957 Sunspot Maximum
1958 Jun 14 IAU Moscow
1958 Jun 21 Summer Solstice Stonehenge
1958 Jun 28 Summer Full Moon
1958 Jul 5 Earth at Aphelion
1958 Jul 12 Milky Way
1958 Jul 19 Jupiter, Saturn
1958 Jul 26 80-year solar cycle
1958 Aug 2 Lunar temperature during eclipse
1958 Aug 9 Perseids
1958 Aug 16 Venus Day Confusion
1958 Aug 23 IAU Moscow
1958 Aug 30 IAU Moscow
1958 Sep 6 IAU Moscow
1958 Sep 13 Samarkand Observatory, Ulugh Beg
1958 Sep 20 USSR Observatories
1958 Sep 27 Harvest Moon
1958 Oct 4 Mars Opposition
1958 Oct 11 South American Solar Eclipse
1958 Oct 18 Moon Spin-Orbit Rotation
1958 Oct 25 Andromeda Galaxy
1958 Nov 1 Mars Opposition
1958 Nov 8 Mars atmosphere temperature
1958 Nov 15 Leonids
1958 Nov 22 Asteroid Icarus Relativity
1958 Nov 29 Mars period of rotation
1958 Dec 6 Solar eclipse results
1958 Dec 13 Geminids
1958 Dec 20 Star of Bethlehem
1958 Dec 27 Halley's and Donati's Comets
1959 Jan 3 IGY
1959 Jan 10 Kozyrev & Alphonsus
1959 Jan 17 Solar Observations in IGY
1959 Jan 24 AAS Mars papers
1959 Jan 31 February Constellations, Ursa Major
1959 Feb 7 Kozyrev & Alphonsus
1959 Feb 14 Coma Berenices
1959 Feb 21 Total Solar Eclipse
1959 Feb 28 Planned Solar Observatories
1959 Mar 7 Mercury in the Evening
1959 Mar 14 Naked-eye Planets
1959 Mar 21 Papers at RASC AGM
1959 Mar 28 Radio return from Venus
1959 Apr 4 AAS paper on solar variability
1959 Apr 11 Radio return from Venus
1959 Apr 18 Chant and 1913 Meteoric Procession
1959 Apr 25 Canadian AAS Papers
1959 May 2 Solar effect on Climate
1959 May 9 Greenwich move to Herstmonceaux
1959 May 16 Radio from Jupiter and Crab
1959 May 23 Galactic Co-ordinates
1959 May 30 Rhymes of the Planets
1959 Jun 6 Solar Weather Radio Forecasts
1959 Jun 13 Big Dipper Clock
1959 Jun 20 Summer Solstice
1959 Jun 27 IGY Solar Wind
1959 Jul 4 Venus Occultation of Regulus
1959 Jul 11 Regulus Occultation at DDO
1959 Jul 18 Green Flash
1959 Jul 25 Camera Obscura
1959 Aug 1 Lowell paper: Increasing Solar Flux
1959 Aug 8 Perseids
1959 Aug 15 Comet Encke acceleration
1959 Aug 22 AAS Toronto
1959 Aug 29 Venus Occultation of Regulus
1959 Sep 5 AAS Toronto
1959 Sep 12 Harvest Moon, AAS Toronto
1959 Sep 19 Lunik 2
1959 Sep 26 Total Solar Eclipse
1959 Oct 3 Giacobinid Meteors
1959 Oct 10 Lunik 3
1959 Oct 17 Algol
1959 Oct 24 Far Side of Moon
1959 Oct 31 Lunik 2
1959 Nov 7 Smyth's Sea
1959 Nov 14 Venusian launch window
1959 Nov 21 Venus & Kozyrev
1959 Nov 28 Soviet Venus Vegetation
1959 Dec 5 Ballon spectrography of Venus
1959 Dec 12 No Column
1959 Dec 19 Venus for Christmas
1959 Dec 26 Venus Clouds, Rotation