Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W59780164', 'doi': None, 'title': 'The riddle of the redshifts. [cosmological implications of quasar distances', 'display_name': 'The riddle of the redshifts. [cosmological implications of quasar distances', 'publication_year': 1973, 'publication_date': '1973-01-01', 'ids': {'openalex': 'https://openalex.org/W59780164', 'mag': '59780164'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://ntrs.nasa.gov/search.jsp?R=19740050207', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': [], 'open_access': {'is_oa': False, 'oa_status': 'closed', 'oa_url': None, 'any_repository_has_fulltext': False}, 'authorships': [{'author_position': 'first', 'author': {'id': 'https://openalex.org/A5004282362', 'display_name': 'G. R. Burbidge', 'orcid': None}, 'institutions': [], 'countries': [], 'is_corresponding': True, 'raw_author_name': 'G. Burbidge', 'raw_affiliation_strings': [], 'affiliations': []}], 'institution_assertions': [], 'countries_distinct_count': 0, 'institutions_distinct_count': 0, 'corresponding_author_ids': ['https://openalex.org/A5004282362'], 'corresponding_institution_ids': [], 'apc_list': None, 'apc_paid': None, 'fwci': 0.0, 'has_fulltext': False, 'cited_by_count': 0, 'citation_normalized_percentile': {'value': 0.0, 'is_in_top_1_percent': False, 'is_in_top_10_percent': False}, 'cited_by_percentile_year': {'min': 0, 'max': 57}, 'biblio': {'volume': None, 'issue': None, 'first_page': None, 'last_page': None}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T12836', 'display_name': 'Development and Impact of Astronomy Throughout History', 'score': 0.8769, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T12836', 'display_name': 'Development and Impact of Astronomy Throughout History', 'score': 0.8769, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T11960', 'display_name': 'Theory of Relativity and Unified Field Theories', 'score': 0.7924, 'subfield': {'id': 'https://openalex.org/subfields/3103', 'display_name': 'Astronomy and Astrophysics'}, 'field': {'id': 'https://openalex.org/fields/31', 'display_name': 'Physics and Astronomy'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/spacetime-geometry', 'display_name': 'Spacetime Geometry', 'score': 0.499003}], 'concepts': [{'id': 'https://openalex.org/C135041427', 'wikidata': 'https://www.wikidata.org/wiki/Q83373', 'display_name': 'Quasar', 'level': 3, 'score': 0.8143196}, {'id': 'https://openalex.org/C33024259', 'wikidata': 'https://www.wikidata.org/wiki/Q76250', 'display_name': 'Redshift', 'level': 3, 'score': 0.76124895}, {'id': 'https://openalex.org/C44870925', 'wikidata': 'https://www.wikidata.org/wiki/Q37547', 'display_name': 'Astrophysics', 'level': 1, 'score': 0.49393922}, {'id': 'https://openalex.org/C26405456', 'wikidata': 'https://www.wikidata.org/wiki/Q338', 'display_name': 'Cosmology', 'level': 2, 'score': 0.4741846}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.45772633}, {'id': 'https://openalex.org/C1276947', 'wikidata': 'https://www.wikidata.org/wiki/Q333', 'display_name': 'Astronomy', 'level': 1, 'score': 0.34339488}, {'id': 'https://openalex.org/C33332235', 'wikidata': 'https://www.wikidata.org/wiki/Q18362', 'display_name': 'Theoretical physics', 'level': 1, 'score': 0.32640225}, {'id': 'https://openalex.org/C98444146', 'wikidata': 'https://www.wikidata.org/wiki/Q318', 'display_name': 'Galaxy', 'level': 2, 'score': 0.17863858}], 'mesh': [], 'locations_count': 1, 'locations': [{'is_oa': False, 'landing_page_url': 'https://ntrs.nasa.gov/search.jsp?R=19740050207', 'pdf_url': None, 'source': None, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}], 'best_oa_location': None, 'sustainable_development_goals': [{'id': 'https://metadata.un.org/sdg/13', 'display_name': 'Climate action', 'score': 0.44}], 'grants': [], 'datasets': [], 'versions': [], 'referenced_works_count': 0, 'referenced_works': [], 'related_works': ['https://openalex.org/W852606810', 'https://openalex.org/W3205331729', 'https://openalex.org/W3107764546', 'https://openalex.org/W3026697237', 'https://openalex.org/W3017404206', 'https://openalex.org/W3014324948', 'https://openalex.org/W3013772774', 'https://openalex.org/W3013129379', 'https://openalex.org/W3006902533', 'https://openalex.org/W2089407006', 'https://openalex.org/W2079231083', 'https://openalex.org/W2063296505', 'https://openalex.org/W2062819407', 'https://openalex.org/W2059969258', 'https://openalex.org/W2055459594', 'https://openalex.org/W201685436', 'https://openalex.org/W1980506679', 'https://openalex.org/W1973464984', 'https://openalex.org/W1637535080', 'https://openalex.org/W143075381'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W59780164', 'counts_by_year': [], 'updated_date': '2024-09-19T08:32:51.078891', 'created_date': '2016-06-24'}