(82 results)
1 letter:
.
4 letters:
hale,
hall,
oort
6 letters:
bessel,
halley,
hubble,
kepler,
lovell,
lowell,
muller,
peirce,
sitter,
thales
7 letters:
celsius,
galileo,
huggins,
hypatia,
langley,
laplace,
newcomb,
ptolemy,
russell,
shapley
8 letters:
bowditch,
herschel,
mitchell,
tombaugh
9 letters:
eddington,
ptolemaic
10 letters:
asaph hall,
copernicus,
hipparchus
11 letters:
cosmologist,
rittenhouse
12 letters:
edwin hubble,
eratosthenes,
johan kepler,
omar khayyam,
schiaparelli
13 letters:
edmond halley,
edmund halley,
henry russell,
johann muller,
john herschel,
regiomontanus,
simon newcomb
14 letters:
anders celsius,
astrophysicist,
harlow shapley,
maria mitchell
15 letters:
benjamin peirce,
galileo galilei,
johannes kepler,
percival lowell
16 letters:
jan hendrix oort,
mikolaj kopernik,
willem de sitter,
william herschel
17 letters:
david rittenhouse,
sir john herschel,
thales of miletus
18 letters:
george ellery hale,
marquis de laplace,
nathaniel bowditch,
sir bernard lovell
19 letters:
claudius ptolemaeus,
edwin powell hubble,
nicolaus copernicus,
sir william huggins
20 letters:
aristarchus of samos,
henry norris russell,
sir william herschel
22 letters:
clyde william tombaugh
23 letters:
pierre simon de laplace
24 letters:
friedrich wilhelm bessel,
samuel pierpoint langley
28 letters:
sir arthur stanley eddington
30 letters:
giovanni virginio schiaparelli,
sir frederick william herschel
33 letters:
sir alfred charles bernard lovell
35 letters:
sir john frederick william herschel
Commonly used words are shown in bold. Rare words are dimmed.
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