thingsaurus
This is a 'thesaurus for things' or similarity engine: results show things that have something in common with what you enter. The more stars, the more things in common! You can use it for research, recommendations or simply to explore ideas and related subjects.
Here are your results for NGC 3998...
Stars indicate closer matches.
NGC 3619 
- NGC 5422
- NGC 2787
- NGC 2841
- NGC 2959
- NGC 3558
- NGC 3561
- NGC 3945
- NGC 4102
- Unbarred lenticular galaxy
- AM 0644-741
- IC 4970
- NGC 113
- NGC 130
- NGC 160
- NGC 204
- NGC 209
- NGC 254
- NGC 262
- NGC 385
- NGC 391
- NGC 467
- NGC 823
- NGC 838
- NGC 966
- NGC 2291
- NGC 2812
- NGC 3302
- NGC 3599
- NGC 3632
- NGC 3900
- NGC 5102
- NGC 5548
- NGC 5890
- NGC 7302
- NGC 7457
- NGC 7499
- Low-ionization nuclear emission-line region
- Messier 63
- Messier 94
- NGC 266
- NGC 404
- NGC 1052
- NGC 1167
- NGC 1637
- NGC 1672
- NGC 3226
- NGC 3300
- NGC 3312
- NGC 3861
DID YOU MEAN...
- List of black holes
- M109 Group
- Herschel 400 Catalogue
- NGC 3949
- NGC 3607
- NGC 3686
- P Cygni
- NGC 3938
- NGC 3877
- NGC 3593
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