Get quick answers to your questions about the article from our AI researcher chatbot
{'id': 'https://openalex.org/W1970045349', 'doi': 'https://doi.org/10.1016/j.icarus.2005.11.021', 'title': 'Internal structure of massive terrestrial planets', 'display_name': 'Internal structure of massive terrestrial planets', 'publication_year': 2006, 'publication_date': '2006-01-27', 'ids': {'openalex': 'https://openalex.org/W1970045349', 'doi': 'https://doi.org/10.1016/j.icarus.2005.11.021', 'mag': '1970045349'}, 'language': 'en', 'primary_location': {'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.icarus.2005.11.021', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S172501725', 'display_name': 'Icarus', 'issn_l': '0019-1035', 'issn': ['0019-1035', '1090-2643'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, 'type': 'article', 'type_crossref': 'journal-article', 'indexed_in': ['crossref', 'datacite'], '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/A5042639978', 'display_name': 'Diana Valencia', 'orcid': 'https://orcid.org/0000-0003-3993-4030'}, 'institutions': [{'id': 'https://openalex.org/I1302918504', 'display_name': 'Planetary Science Institute', 'ror': 'https://ror.org/05vvg9554', 'country_code': 'US', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1302918504']}, {'id': 'https://openalex.org/I136199984', 'display_name': 'Harvard University', 'ror': 'https://ror.org/03vek6s52', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I136199984']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Diana Valencia', 'raw_affiliation_strings': ['Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, USA'], 'affiliations': [{'raw_affiliation_string': 'Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, USA', 'institution_ids': ['https://openalex.org/I1302918504', 'https://openalex.org/I136199984']}]}, {'author_position': 'middle', 'author': {'id': 'https://openalex.org/A5034443346', 'display_name': 'Richard J. O’Connell', 'orcid': 'https://orcid.org/0000-0002-5358-6143'}, 'institutions': [{'id': 'https://openalex.org/I1302918504', 'display_name': 'Planetary Science Institute', 'ror': 'https://ror.org/05vvg9554', 'country_code': 'US', 'type': 'nonprofit', 'lineage': ['https://openalex.org/I1302918504']}, {'id': 'https://openalex.org/I136199984', 'display_name': 'Harvard University', 'ror': 'https://ror.org/03vek6s52', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I136199984']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': "Richard J. O'Connell", 'raw_affiliation_strings': ['Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, USA'], 'affiliations': [{'raw_affiliation_string': 'Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, USA', 'institution_ids': ['https://openalex.org/I1302918504', 'https://openalex.org/I136199984']}]}, {'author_position': 'last', 'author': {'id': 'https://openalex.org/A5111788030', 'display_name': 'Dimitar Sasselov', 'orcid': None}, 'institutions': [{'id': 'https://openalex.org/I4210124175', 'display_name': 'Center for Astrophysics Harvard & Smithsonian', 'ror': 'https://ror.org/03c3r2d17', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I103187081', 'https://openalex.org/I136199984', 'https://openalex.org/I4210124175']}, {'id': 'https://openalex.org/I136199984', 'display_name': 'Harvard University', 'ror': 'https://ror.org/03vek6s52', 'country_code': 'US', 'type': 'education', 'lineage': ['https://openalex.org/I136199984']}], 'countries': ['US'], 'is_corresponding': False, 'raw_author_name': 'Dimitar Sasselov', 'raw_affiliation_strings': ['Harvard-Smithsonian Center for Astrophysics, Department of Astronomy, Harvard University, Cambridge, MA 02138, USA'], 'affiliations': [{'raw_affiliation_string': 'Harvard-Smithsonian Center for Astrophysics, Department of Astronomy, Harvard University, Cambridge, MA 02138, USA', 'institution_ids': ['https://openalex.org/I4210124175', 'https://openalex.org/I136199984']}]}], 'institution_assertions': [], 'countries_distinct_count': 1, 'institutions_distinct_count': 3, 'corresponding_author_ids': [], 'corresponding_institution_ids': [], 'apc_list': {'value': 3590, 'currency': 'USD', 'value_usd': 3590, 'provenance': 'doaj'}, 'apc_paid': None, 'fwci': 15.817, 'has_fulltext': True, 'fulltext_origin': 'ngrams', 'cited_by_count': 483, 'citation_normalized_percentile': {'value': 0.999871, 'is_in_top_1_percent': True, 'is_in_top_10_percent': True}, 'cited_by_percentile_year': {'min': 99, 'max': 100}, 'biblio': {'volume': '181', 'issue': '2', 'first_page': '545', 'last_page': '554'}, 'is_retracted': False, 'is_paratext': False, 'primary_topic': {'id': 'https://openalex.org/T10413', 'display_name': 'High-pressure geophysics and materials', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/1908', 'display_name': 'Geophysics'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, 'topics': [{'id': 'https://openalex.org/T10413', 'display_name': 'High-pressure geophysics and materials', 'score': 0.9999, 'subfield': {'id': 'https://openalex.org/subfields/1908', 'display_name': 'Geophysics'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}, {'id': 'https://openalex.org/T10325', 'display_name': 'Astro and Planetary Science', 'score': 0.9991, '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/T10001', 'display_name': 'Geological and Geochemical Analysis', 'score': 0.999, 'subfield': {'id': 'https://openalex.org/subfields/1908', 'display_name': 'Geophysics'}, 'field': {'id': 'https://openalex.org/fields/19', 'display_name': 'Earth and Planetary Sciences'}, 'domain': {'id': 'https://openalex.org/domains/3', 'display_name': 'Physical Sciences'}}], 'keywords': [{'id': 'https://openalex.org/keywords/scaling-law', 'display_name': 'Scaling law', 'score': 0.48607805}, {'id': 'https://openalex.org/keywords/mass-fraction', 'display_name': 'Mass fraction', 'score': 0.43286696}], 'concepts': [{'id': 'https://openalex.org/C51244244', 'wikidata': 'https://www.wikidata.org/wiki/Q634', 'display_name': 'Planet', 'level': 2, 'score': 0.88643}, {'id': 'https://openalex.org/C154010619', 'wikidata': 'https://www.wikidata.org/wiki/Q128207', 'display_name': 'Terrestrial planet', 'level': 3, 'score': 0.7495988}, {'id': 'https://openalex.org/C196351480', 'wikidata': 'https://www.wikidata.org/wiki/Q12989628', 'display_name': 'Planetary mass', 'level': 4, 'score': 0.6693095}, {'id': 'https://openalex.org/C121332964', 'wikidata': 'https://www.wikidata.org/wiki/Q413', 'display_name': 'Physics', 'level': 0, 'score': 0.6476546}, {'id': 'https://openalex.org/C67236022', 'wikidata': 'https://www.wikidata.org/wiki/Q4364434', 'display_name': 'Mantle (geology)', 'level': 2, 'score': 0.56533366}, {'id': 'https://openalex.org/C87355193', 'wikidata': 'https://www.wikidata.org/wiki/Q411', 'display_name': 'Astrobiology', 'level': 1, 'score': 0.5500117}, {'id': 'https://openalex.org/C99844830', 'wikidata': 'https://www.wikidata.org/wiki/Q102441924', 'display_name': 'Scaling', 'level': 2, 'score': 0.53173584}, {'id': 'https://openalex.org/C2988430800', 'wikidata': 'https://www.wikidata.org/wiki/Q428971', 'display_name': 'Scaling law', 'level': 3, 'score': 0.48607805}, {'id': 'https://openalex.org/C178635117', 'wikidata': 'https://www.wikidata.org/wiki/Q747499', 'display_name': 'RADIUS', 'level': 2, 'score': 0.4817793}, {'id': 'https://openalex.org/C116628846', 'wikidata': 'https://www.wikidata.org/wiki/Q899138', 'display_name': 'Mass fraction', 'level': 2, 'score': 0.43286696}, {'id': 'https://openalex.org/C44870925', 'wikidata': 'https://www.wikidata.org/wiki/Q37547', 'display_name': 'Astrophysics', 'level': 1, 'score': 0.38900694}, {'id': 'https://openalex.org/C163479331', 'wikidata': 'https://www.wikidata.org/wiki/Q44559', 'display_name': 'Exoplanet', 'level': 3, 'score': 0.17527819}, {'id': 'https://openalex.org/C8058405', 'wikidata': 'https://www.wikidata.org/wiki/Q46255', 'display_name': 'Geophysics', 'level': 1, 'score': 0.14318743}, {'id': 'https://openalex.org/C2524010', 'wikidata': 'https://www.wikidata.org/wiki/Q8087', 'display_name': 'Geometry', 'level': 1, 'score': 0.11479312}, {'id': 'https://openalex.org/C97355855', 'wikidata': 'https://www.wikidata.org/wiki/Q11473', 'display_name': 'Thermodynamics', 'level': 1, 'score': 0.114611864}, {'id': 'https://openalex.org/C33923547', 'wikidata': 'https://www.wikidata.org/wiki/Q395', 'display_name': 'Mathematics', 'level': 0, 'score': 0.0}, {'id': 'https://openalex.org/C38652104', 'wikidata': 'https://www.wikidata.org/wiki/Q3510521', 'display_name': 'Computer security', 'level': 1, 'score': 0.0}, {'id': 'https://openalex.org/C41008148', 'wikidata': 'https://www.wikidata.org/wiki/Q21198', 'display_name': 'Computer science', 'level': 0, 'score': 0.0}], 'mesh': [], 'locations_count': 2, 'locations': [{'is_oa': False, 'landing_page_url': 'https://doi.org/10.1016/j.icarus.2005.11.021', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S172501725', 'display_name': 'Icarus', 'issn_l': '0019-1035', 'issn': ['0019-1035', '1090-2643'], 'is_oa': False, 'is_in_doaj': False, 'is_core': True, 'host_organization': 'https://openalex.org/P4310320990', 'host_organization_name': 'Elsevier BV', 'host_organization_lineage': ['https://openalex.org/P4310320990'], 'host_organization_lineage_names': ['Elsevier BV'], 'type': 'journal'}, 'license': None, 'license_id': None, 'version': None, 'is_accepted': False, 'is_published': False}, {'is_oa': False, 'landing_page_url': 'https://api.datacite.org/dois/10.48550/arxiv.astro-ph/0511150', 'pdf_url': None, 'source': {'id': 'https://openalex.org/S4393179698', 'display_name': 'DataCite API', 'issn_l': None, 'issn': None, 'is_oa': True, 'is_in_doaj': False, 'is_core': False, 'host_organization': 'https://openalex.org/I4210145204', 'host_organization_name': 'DataCite', 'host_organization_lineage': ['https://openalex.org/I4210145204'], 'host_organization_lineage_names': ['DataCite'], 'type': 'metadata'}, 'license': None, 'license_id': None, 'version': None}], 'best_oa_location': None, 'sustainable_development_goals': [], 'grants': [], 'datasets': [], 'versions': ['https://openalex.org/W1970045349'], 'referenced_works_count': 38, 'referenced_works': ['https://openalex.org/W1549580084', 'https://openalex.org/W1819313965', 'https://openalex.org/W1975985072', 'https://openalex.org/W1983629035', 'https://openalex.org/W1986290762', 'https://openalex.org/W1989821079', 'https://openalex.org/W2001571604', 'https://openalex.org/W2011075031', 'https://openalex.org/W2028770708', 'https://openalex.org/W2041184303', 'https://openalex.org/W2044654720', 'https://openalex.org/W2046686196', 'https://openalex.org/W2062221814', 'https://openalex.org/W2066154329', 'https://openalex.org/W2066986330', 'https://openalex.org/W2076261556', 'https://openalex.org/W2082125724', 'https://openalex.org/W2082737776', 'https://openalex.org/W2087983709', 'https://openalex.org/W2089818471', 'https://openalex.org/W2096390283', 'https://openalex.org/W2097107365', 'https://openalex.org/W2100228864', 'https://openalex.org/W2108530185', 'https://openalex.org/W2113114085', 'https://openalex.org/W2120641340', 'https://openalex.org/W2146009459', 'https://openalex.org/W2149520698', 'https://openalex.org/W2153894617', 'https://openalex.org/W2157959498', 'https://openalex.org/W2170232570', 'https://openalex.org/W2259183759', 'https://openalex.org/W2314812278', 'https://openalex.org/W2317715882', 'https://openalex.org/W2500055283', 'https://openalex.org/W3003238690', 'https://openalex.org/W3101940435', 'https://openalex.org/W3104753868'], 'related_works': ['https://openalex.org/W3116525529', 'https://openalex.org/W3099890441', 'https://openalex.org/W2143163016', 'https://openalex.org/W2143023347', 'https://openalex.org/W2139170529', 'https://openalex.org/W2108530185', 'https://openalex.org/W2037585293', 'https://openalex.org/W1670177781', 'https://openalex.org/W1603108047', 'https://openalex.org/W139232352'], 'abstract_inverted_index': None, 'cited_by_api_url': 'https://api.openalex.org/works?filter=cites:W1970045349', 'counts_by_year': [{'year': 2024, 'cited_by_count': 26}, {'year': 2023, 'cited_by_count': 20}, {'year': 2022, 'cited_by_count': 25}, {'year': 2021, 'cited_by_count': 33}, {'year': 2020, 'cited_by_count': 28}, {'year': 2019, 'cited_by_count': 18}, {'year': 2018, 'cited_by_count': 42}, {'year': 2017, 'cited_by_count': 29}, {'year': 2016, 'cited_by_count': 25}, {'year': 2015, 'cited_by_count': 30}, {'year': 2014, 'cited_by_count': 26}, {'year': 2013, 'cited_by_count': 27}, {'year': 2012, 'cited_by_count': 23}], 'updated_date': '2025-01-14T20:01:58.140899', 'created_date': '2016-06-24'}