universe / cosmos / space
49631
aviation / flying
82282
study / research / investigation
75170
development / exploitation
58254
mechanism / organization / organisation
64294
post-secondary education institution, incl. university, college, etc.
123387
moon
74279
line (also telephone, railway) / wire / beam
116672
astronomy
132285
satellite
50802
observation
62390
10^8 / 100,000,000 / hundred million
52922
not less than / ... and more / ... and upwards
45608
ago / before (some event) / previously
117076
iron
131720
-fold / -ply
99333
chemical element
76000
universe / cosmos / space
49631
whole / entirety / whatever (is the matter)
117729
period / epoch / era / age
92927
now / current / present / present time / as of
76559
universe / cosmos / space
49631
existence / being
121083
mostly / almost
155905
-fold / -ply
99333
chemical element
76000
origin / beginning / rise
65312
affirmation / confirmation / validation
59319
iron
131720
-fold / -ply
99333
chemical element
76000
origin / beginning / rise
65312
10^8 / 100,000,000 / hundred million
52922
not less than / ... and more / ... and upwards
45608
ago / before (some event) / previously
117076
universe / cosmos / space
49631
affirmation / confirmation / validation
59319
