0. DOCID:2287 1891 "The Space-Penetrating Power of Large Telescopes" 0.0255995141475077<br>
1. DOCID:2008 1890 "Study of the Surface-Markings of the Planets in 1890" 0.0210745768927587<br>
2. DOCID:2023 1890 "Mount St. Elias" 0.0177662566006479<br>
3. DOCID:2209 1890 "Annular Phase of Venus" 0.0160370190888191<br>
4. DOCID:2405 1891 "Celestial Physics" 0.0132576101594114<br>
5. DOCID:2521 1892 "Is It Dangerous to Spray Fruit-Trees with Solutions of Poisonous Substances in Order to Prevent Depreadations from Destructive Insects?" 0.01223034425164<br>
6. DOCID:2661 1892 "A New Habitat of the Black-Throated Rock Swift, Micropus Melanoleucus" 0.0118327505545798<br>
7. DOCID:2077 1890 "Aid to Astronomical Research" 0.0113730057472763<br>
8. DOCID:2420 1891 "Celestial Physics" 0.0109324929392104<br>
9. DOCID:2607 1892 "Opposition of Mars" 0.0108238120943812<br>
10. DOCID:2500 1892 "A Laboratory for Photographic Research" 0.00840827207579118<br>
11. DOCID:2343 1891 "Celestial Physics" 0.00805768104851752<br>
12. DOCID:1940 1889 "A Popular Observatory" 0.00804517278729489<br>
13. DOCID:2691 1892 "Astronomical Notes" 0.0080257832499045<br>
14. DOCID:2398 1891 "Recent Progress in Solar Physics as Bearing upon the Cause of the Ice Age" 0.0073745454238904<br>