task_categories:image-classification task_categories:image-feature-extraction annotations_creators:crowdsourced license:cc-by-nc-sa-4.0 size_categories:10K<n<100K format:parquet modality:image modality:text library:datasets library:dask library:mlcroissant library:polars arxiv:2404.02973 region:us galaxy zoo physics astronomy galaxies citizen science