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Blog Index

This page provides an index for blog articles. 
​We have segmented out the articles into historical or astrophysical predominant content.


Historical content
2016
December  Anaxagoras and ancient Greek views on the Sun 

2017
January      Solar irradiance & Claude Pouillet
February     Francois Felix Tisserand and the Tisserand criteria
March         Equinoxes, Hipparchus and astrometry 
August        Meudon Observatory

2018

April            Jean Baptiste Biot
May             The first asteroid discovered from Toulouse
May             Foncevarane; ground zero for Limousin asteroid impact

June            The Tunguska event
June            Simeon Poisson
June            David Gill
June            Nova of V603 Aql in 1918
June            John Couch Adams 
July             Sunspots - an historical perspective
​July             Jerome Lalande

September   The discovery of Neptune
September   Octave Callendreau
October       The discovery of Hidalgo
October       Samuel Heinrich Schwabe
October       The discovery of Triton
November    The first asteroid discovered from France
November    The Supernova of 1572
​December    Henri Perrotin

2019
​
January        Discovery of Titania and Oberon
February       Birthdate of John Evershed
February       Discovery of the first Trojan Asteroid (588 Achilles)
​March           Birthdate of Alexandre-Edmond Becquerel
April             Birthdate of Jean-Baptiste Biot
April             The discovery of 1862 Apollo
May              Discovery of the planet Uranus
May              Birthdate of Gaspard Gustave de Coriolis
June             Ceres and the discovery of the main belt asteroids
June             Birthdate of Charles Messier
October        The discovery of Chiron
December     Solar cycle 25 starts

2020

January         L'anniversaire d'Adrien Auzout
February       L'anniversaire de Nicolas Copernicus
June             L'anniversaire de Nicolas Léonard Sadi Carnot
June             Discovery of Charon

July              L'anniversaire de Joseph Jérôme de Lalande
August          Ludevic Gully and the first extragalactic supernova discovery


Astrophysics content
2017
April           Stellar fusion and neutrino oscillation
May            Hydrostatic equilibrium and radiation opacity

June           Convection and solar granulation
​
July            The Limousin asteroid impact of the late Triassic
September  Solar photospheric temperature
October      Solar core temperature
November   Apparent and absolute magnitude, and distance modulus equation
​December   Astronomical distances

2018
January        Atmospheric retention
February      The structure of the Sun
March          Solar corona
April            Lithic breccia and suevite impactites
May             Solar Wind
August         Sunspots and Evershed flows
​September   Solar rotation
October       Solar Magnetism
November    Prominences
December    Coronal Mass Ejections

​
2019
January        Solar Flares
​February       The Sun's evolution and destiny
March           Summary article of the Sun
​April             An introduction to solar system asteroids
July              The Trojan asteroids 
August          Near Earth asteroids
September    The Centaurs
​October        The Vulcanoids
November     Gravitational perturbation of asteroid orbits
November     Ice and Climate change

2020
March           Non-gravitational forces
April             Collisions between asteroids
​May              Binary asteroids
June             Asteroid families
July              Asteroid albedo and rotation
August         Composition of Asteroids
September    Asteroid masses
October        Disrupted and active asteroids
November     Genesis of the asteroids
December     Asteroid impacts - effects

2021
January        Mass species extinctions
February      Case studies - Chelyabinsk & Tunguska
March          Case studies - Chicxulub
April            Case studies - Limousin 
June            PHA collision risks - current threats
​July             PHA detection and mitigation



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