415 



Jüor^eu bxxrd) 3ol)ann 5;obittö «Waper in Coniment. Soc. 

 Heg. Gotting. 1801 — 1808 Vol. XVI. p. 31-68. 



" (@. 153.) Phiios. Transact. for 1803 p. 225. QTradO 

 im Annuaire 1842 p. 375. 2ßill man \id) bie etma6 fniljer im 

 Xette bejeidjnete Entfernung bet ^irflerne bequemer werftnnlirfjcn, 

 fo erinnere man ftd), ba^, ivenn bie Grbe »on ber @onne in einem 

 gu^ (Sntfernuna angenommen wirb, Uranuö 19 gu^ unb aSega 

 ber 2eicr 34'/a gcograp^ifd^e gWeilen »on ber @onne entfernt ifV. 



'■ (@. 154.) 93effel in ®d?um. 3al)rbnd)e 1839 ©. 53. 



•" (@. 154.) «9?äbler, «Milr. @. 476. Serfelbe in @cfeum. 

 3tt^rb, 1839 @. 95. 



" (@. 156.) @ir SBilliam .^erfd^et in ben Phiios. 

 Transact. for 1817 P. II, p. 328. 



*•• (@. 156.) 9fr ago im Annuaire 1842 p. 459. 



" (©. 157.) @ir 3of)n j^erfc^el in einem 95riefe aue^ 

 gelbl)upfen vom 13 Sanuar 1836. 9?irf>oU, Archit. of the 

 Heavens 1838 p. 22. (@. aud) einjelne gfnbeutungen »on @ir 

 2ßilliam Jperfdjel über ben fternleeren Oiaum, ber m\6 in 

 großem 9fb|tanbe von ber ?0?ild>flrafe trennt, in ben Phiios. 

 Transact. for 1817 P. II. p. 328.) 



" (©. 157.) @ir 3ol)n .^erfdjel, Aslron. 5. 624. Ser- 

 felbe inObservations ofNcbulae and Clusters of Stars 

 (Transact. 1833 P. II. p. 479 fig. 25.): »wo havc here a brother 

 System bearing a real physical resemblance and strong analogy 

 of structure ol our own. « 



*' (@. 157.) @ir SBilliam .^erfd^el in ben Transact. 

 for 1785 P. I. p. 257. (Sir 3ot)n .^erfdjel, Astr. §. 616. 

 (»The ncbuious region ot the heavens forms a nebulous 

 milky way, composed of distinct nebulac as the othcr of Stars.« 

 2)crfelbe in einem ^Briefe an mid) »om gjJarj 1829.) 



" (@. 158.) 3of>n .^erfc^el, Astron. §. 585. 



" (@. 158.) Slrago im Annuaire 1842 p. 282-2a5, 

 409-411 unb 439-442. 



•** (®. 158.) Olberö über bie Surdjfidjtigfeit M ffieltraumö 

 in 33obe'ö 3a^rbu(f) 1826 @. 110—121. 



" (@. 159.) »An openingin the heavens«, 99}illiam 

 jperf*el in ben Transact. for 1785 Vol. LXXV. P. I. p. 256. 



