June 1, 1893.] 



KNOWLEDGE 



119 



diameter of lOJ", yVut^bs of the disc being illuminated. 

 While visible she describes a direct path in Gemini. 



Mars, Jupiter, and Neptune are invisible for the purposes 

 of the amateur. 



Saturn is an evening star, and is still well situated for 

 observation. He rises on the 1st at Ih. 45m. p.m., with a 

 southern declination of 0' H', and an apparent equatorial 

 diameter of 17^' (the major axis of the ring system being 

 ■11" in diameter, and the minor 4-1"). On the 15th he 

 rises at Ob. 4(im. p.m., with a southern declination of 0^ 6', 

 and an apparent equatorial diameter of 17,|" (the major 

 axis of the ring system being 40" in diameter, and the 

 minor 4*3"). On the 80th he sets 6m. before midnight, 

 with a southern declination of 0° 18', and an apparent 

 equatorial diameter of 17" (the major axis of the ring 

 system being 30" in diameter, and the minor 4-3"). He 

 is occulted by the Moon on the 21st, but the phenomenon 

 will only be visible in the southern hemisphere. Rhea is in 

 superior conjunction at 7'5h. p.m. on the 7th ; in inferior 

 conjunction at l-7h.A.M. on the 10th; lapetus is in in- 

 ferior conjunction on the 11th ; Rhea is in superior 

 conjunction at 8-4h. p.m. on the IGtb, and at 9'3h. p.m. 

 on the 25tli. lapetus is at his greatest western elonga- 

 tion on the 30th. A map of the path of Saturn during 

 June will be found in the " Face of the Sky " for March. 



Uranus is also an evening star, and but for his southern 

 declination would be favourably placed for observation. 

 He rises at 4h. 45m. p.m., on the 1st, with a southern 

 declination of 18° 34', and an apparent diameter of 3-7", 

 On the 30th he rises at 2h. 47m. p.m., with a southern 

 declination of 13° 21'. A map of his path during June will 

 be found in the " Face of the Sky " for April. 



There are no very well-marked showers of shooting stars 

 in June. 



The Moon enters her last quarter at lb 43m. p.m. on 

 the 7th ; is new at 5h. 51m. p.m. on the 14tb ; enters her 

 first quarter at 2h. 37m. a.m. on the 21st ; and is full at 

 Oh. 25m. A.M. on the 29th. She is in perigee at 5h. p.m. 

 on the 13th (distance from the earth 222,280 miles), and 

 in apogee at 2h. p.m. on the 26th (distance from the earth 

 252,230 miles). 



(S^tnn Colnmn. 



By C. D. LooooK, B.A.Oxon. 



^ 



All communications for this column should be addressed 

 to the " Chess Editor, Knowledge Office," and posted before 

 the 10th of each month. 



Solution of Mill/ Problem (G. K. Ausell) : — 

 1. Q to KtS, and mates next move. 



CoKRECT Solutions received from H. S. Brandreth, 

 R. B. Cooke, E. M. Jones, and one unsigned (postmark 

 illegible). 



A. G. Neivbernj.—Aitev 1. P to QB4, Black moves 

 (anything), there is no mate, the King escaping at BG in 

 reply to Q to B2ch. 



In the problem which you send you mention both a 

 Queen and a Rook as being on KKtsq. 



R. B. Cooke. — Very glad to hear that after so many 

 years you have succumbed to the temptation of sending in 

 a solution. 



A. S. Fellows. — The problem is very pretty, and is 

 marked for insertion in the August number. 



J. F. Welsh. — Thanks for the game. It is a little short 

 for publication in a one game monthly column. White's 

 20th move is a surprising stroke. 



PROBLEM. 



By S. Loyi). 



Bl,AOK. 



m 





■mm. = 'WM » St 



■ A f i ' ifcf 



». J...»^.... « .^- 1 



Whitb. 



White to play, and mate in three moves. 

 [In the above problem, " the main idea is expressed in 

 the defence." The bearing of this observation lies in the 

 application of it, and will come as a revelation to those 

 who at first perceive a plurality of key-moves.] 



