“Over the last two thousand years, compilers of star catalogues have gradually become aware that not everything in the northern sky (apart from the Milky Way) consisted of a sharp point of light”
Stars and Nebulae
Winter and Spring Stars (2)
“As the Pleiades travel round the Galaxy the gravitational pulls of other stars will gradually draw the cluster apart.”
Winter and Spring Stars
“As winter closes in, look for the Winter Triangle which Betelgeuse makes with Procyon and Sirius.”
Life on Other Worlds
“Venus ‘terraformed’ with shallow seas, by Gavin Roberts, 1975” Duncan Lunan examines the prospect of Life on other worlds
Comets Part 4. Comets and Spacecraft
“Prof. Freeman Dyson advanced the idea that genetically engineered trees could be planted on comets and grow to such size that their foliage could sustain photosynthesis even at the distances from the Sun of the Kuiper Belt or the Oort Cloud. “
The Sky Above You – January 2022
The Quadrantid meteor shower peaks on the night of January 3rd/4th, and will be well seen this year, with no moonlight to spoil it.
Comets Part 3. Cometary Impacts
Duncan Lunan continues his exploration of Comets
Comets Part 2
“The astronomical highlight of 1066 was the return of Halley’s Comet”
A cometary air-burst over South America 12 thousand years ago
“Nicolas Blanco of the Universidad Santo Tomás in Santiago, Chile, found slabs made of glassy material up to half a metre across”
Comets
‘The heavens themselves blaze forth the death of princes’ (H6003; Julius Caesar, Act II Scene 2)
