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THE ASTRONOMER Electronic Circular No 2303      2007 Jan 26 20.03UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise,  Basingstoke,
Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074
INTERNET: GUY@TAHQ.DEMON.CO.UK      Backup: gmh@wdcc1.bnsc.rl.ac.uk
WORLD WIDE WEB                         http://www.theastronomer.org
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CHRISTMAS QUIZ ANSWERS
1. What is the Hayashi Track?
Path in the Hertzsprung-Russell diagram taken by protostars after the 
protostellar cloud has reached approximate hydrostatic equilibrium.

2. Who wrote 'De Caelo' and what is the English translation of this 
title?
Aristotle: 'On the Heavens'

3. Which famous astronomer visited St Helena in 1676 and name two 
objectives of the trip?
Edmund Halley: mapping the southern stars, monitoring an eclipse, 
observation of planetary transits.

4. Which English Astronomer pioneered astronomical photography of the 
Moon in 1852?
Warren De La Rue

5. What is the designation of a nova found from Walsingham Observatory. 
In which year was it found and by whom?
DI Lacertae, 1910, T. E. Espin

6. Who wrote in TA of 'The Frequency Interval Time' or "How to succeed 
without really trying"?
Walter Pennell

7. A potential comet, later discounted, was observed from Tyra and 
reported in TA. Where and what was Tyra and what was the explanation for 
the sighting?
Danish Oil Rig in the north sea. Gas flame reflected from clouds seen on 
two widely-spaced occasions.

8. Which astronomer, born in England, was the first woman to become a 
full professor at Harvard University?
Cecilia Helena Payne-Gaposchkin

9. What is the Homunculus Nebula and which star is involved?
Emission nebula ejected from Eta Carinae during an outburst of 1841

10. What was the designation for the 'Champagne Supernova' and what was 
especially significant about this recent discovery?
Supernova 2003fg apparently breaching the Chandrasekhar limit of 1.4 
solar masses for white dwarfs.

The first all-correct answer to be received was from Hazel McGee who 
will be contacted regarding an extension of her TA subscription by one 
year. Many congratulations to Hazel.

Guy M Hurst