J. R. Spencer

20.3k total citations · 1 hit paper
492 papers, 9.7k citations indexed

About

J. R. Spencer is a scholar working on Astronomy and Astrophysics, Aerospace Engineering and Surgery. According to data from OpenAlex, J. R. Spencer has authored 492 papers receiving a total of 9.7k indexed citations (citations by other indexed papers that have themselves been cited), including 300 papers in Astronomy and Astrophysics, 61 papers in Aerospace Engineering and 54 papers in Surgery. Recurrent topics in J. R. Spencer's work include Astro and Planetary Science (280 papers), Planetary Science and Exploration (198 papers) and Stellar, planetary, and galactic studies (69 papers). J. R. Spencer is often cited by papers focused on Astro and Planetary Science (280 papers), Planetary Science and Exploration (198 papers) and Stellar, planetary, and galactic studies (69 papers). J. R. Spencer collaborates with scholars based in United States, United Kingdom and France. J. R. Spencer's co-authors include W. M. Calvin, F. Nimmo, R B Galland, M. Segura, L. A. Lebofsky, S. A. Stern, J. A. Rathbun, J. C. Pearl, H. A. Weaver and Carly Howett and has published in prestigious journals such as Nature, Science and The Lancet.

In The Last Decade

J. R. Spencer

448 papers receiving 9.0k citations

Hit Papers

align trajectories

What are hit papers?

Hit papers significantly outperform the citation benchmark for their cohort. A paper qualifies if it has ≥500 total citations, achieves ≥1.5× the top-1% citation threshold for papers in the same subfield and year (this is the minimum needed to enter the top 1%, not the average within it), or reaches the top citation threshold in at least one of its specific research topics.

Cassini Encounters Enceladus: Background and the Discovery of a South Polar Hot Spot

2006 419 citations J. R. Spencer, J. C. Pearl et al. profile →

Peers

Countries citing papers authored by J. R. Spencer

Since Specialization

Citations

This map shows the geographic impact of J. R. Spencer's research. It shows the number of citations coming from papers published by authors working in each country. You can also color the map by specialization and compare the number of citations received by J. R. Spencer with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites J. R. Spencer more than expected).

Fields of papers citing papers by J. R. Spencer

Since Specialization

Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers produced by J. R. Spencer. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers produced by J. R. Spencer. The network helps show where J. R. Spencer may publish in the future.

Co-authorship network of co-authors of J. R. Spencer

This figure shows the co-authorship network connecting the top 25 collaborators of J. R. Spencer. A scholar is included among the top collaborators of J. R. Spencer based on the total number of citations received by their joint publications. Widths of edges represent the number of papers authors have co-authored together. Node borders signify the number of papers an author published with J. R. Spencer. J. R. Spencer is excluded from the visualization to improve readability, since they are connected to all nodes in the network.

All Works

Sort: Min cites: Since: Top N: Style:

20 of 20 papers shown

#	Work	Indexed citations
1	NASA’S Lucy Mission to Trojan Asteroids: Unraveling the History of the Outer Solar System 2025 ·Space Science Reviews ·Harold F. Levison, S. Marchi, Keith Noll, J. R. Spencer, C. B. Olkin, Thomas S. Statler	0
2	The First Lucy Earth Flyby (EGA1) 2024 ·Space Science Reviews ·J. R. Spencer, J. F. Bell, P. R. Christensen, Neil Dello Russo, H. H. Kaplan, Dennis C. Reuter, Amy Simon, Michael A. Vincent, H. A. Weaver	2
3	Discovery of Seven Volcanic Outbursts on Io from an Infrared Telescope Facility Observation Campaign, 2016–2022 2023 ·The Planetary Science Journal ·Christian Tate, J. A. Rathbun, Alexander G. Hayes, J. R. Spencer, (unknown)	7
4	Student Dust Counter Status Report: The First 50 au 2022 ·The Planetary Science Journal ·(unknown), M. Horányi, (unknown), M. Piquette, J. R. Szalay, A. R. Poppe, D. J. James, S. Hunziker, Veerle Sterken, Peter Strub, C. B. Olkin, K. N. Singer, J. R. Spencer, S. A. Stern, H. A. Weaver	8
5	The Diverse Shapes of Dwarf Planet and Large KBO Phase Curves Observed from New Horizons 2022 ·The Planetary Science Journal ·A. Verbiscer, P. Helfenstein, Simon B. Porter, Susan Benecchi, J. J. Kavelaars, Tod R. Lauer, (unknown), Silvia Protopapa, J. R. Spencer, S. A. Stern, H. A. Weaver, M. W. Buie, B. J. Buratti, C. B. Olkin, J. W. Parker, K. N. Singer, L. A. Young, (unknown)	13
6	Snow Crash: Compaction Craters on (486958) Arrokoth and Other Small KBOs, With Implications 2022 ·Geophysical Research Letters ·W. B. McKinnon, (unknown), P. Schenk, K. N. Singer, S. J. Robbins, O. L. White, R. A. Beyer, Simon B. Porter, J. T. Keane, D. T. Britt, J. R. Spencer, W. M. Grundy, J. M. Moore, S. A. Stern, H. A. Weaver, C. B. Olkin	4
7	Investigating Possible Spindown of Arrokoth by Collisions with Small Classical Kuiper Belt Objects 2020 ·(unknown), W. B. McKinnon, K. N. Singer, J. T. Keane, S. J. Robbins, P. Schenk, J. M. Moore, S. A. Stern, H. A. Weaver, J. R. Spencer, C. B. Olkin, (unknown)	1
8	Landslides on Charon 2019 ·Icarus ·C. B. Beddingfield, R. A. Beyer, K. N. Singer, W. B. McKinnon, Kirby Runyon, W. M. Grundy, S. A. Stern, V. J. Bray, (unknown), J. M. Moore, Kimberly Ennico, C. B. Olkin, P. Schenk, J. R. Spencer, H. A. Weaver, L. A. Young	11
9	Probing the Hill Sphere of (486958) 2014 MU₆₉. II. Hubble Space Telescope Fine Guidance Sensors Observations during the 2018 August 4 Stellar Occultation 2019 ·The Astronomical Journal ·Joshua A. Kammer, Tracy M. Becker, Kurt D. Retherford, S. A. Stern, C. B. Olkin, M. W. Buie, J. R. Spencer, A. S. Bosh, L. H. Wasserman	0
10	Slowing of the Solar Wind in the Outer Heliosphere 2019 ·The Astrophysical Journal ·H. A. Elliott, D. J. McComas, E. J. Zirnstein, B. M. Randol, P. A. Delamere, G. Livadiotis, F. Bagenal, (unknown), S. A. Stern, L. A. Young, C. B. Olkin, J. R. Spencer, H. A. Weaver, Kimberly Ennico, G. R. Gladstone, C. W. Smith, (unknown)	53
11	Student Dust Counter: Status report at 38 AU 2018 ·Icarus ·M. Piquette, A. R. Poppe, (unknown), J. R. Szalay, D. J. James, M. Horányi, S. A. Stern, H. A. Weaver, J. R. Spencer, C. B. Olkin	13
12	Basins, fractures and volcanoes: Global cartography and topography of Pluto from New Horizons 2018 ·Icarus ·P. Schenk, R. A. Beyer, W. B. McKinnon, J. M. Moore, J. R. Spencer, O. L. White, K. N. Singer, F. Nimmo, (unknown), Tod R. Lauer, S. J. Robbins, O. M. Umurhan, W. M. Grundy, S. A. Stern, H. A. Weaver, L. A. Young, K. Ennico Smith, C. B. Olkin	61
13	Volatile Transport Implications from the New Horizons Flyby of Pluto 2015 ·L. A. Young, W. M. Grundy, Richard P. Binzel, A. M. Earle, I. R. Linscott, D. P. Hinson, A. M. Zangari, William B. McKinnon, S. A. Stern, H. A. Weaver, C. B. Olkin, Kimberly Ennico, G. R. Gladstone, M. E. Summers, J. M. Moore, J. R. Spencer	1
14	Io’s Primary Atmosphere In Eclipse: First Observations from Gemini-TEXES 2014 ·DPS ·Constantine Tsang, J. R. Spencer, Matthew J. Richter, E. Lellouch, M. Á. López‐Valverde	1
15	Enceladus' Enigmatic Heat Flow 2013 ·DPS ·Carly Howett, J. R. Spencer, A. Verbiscer	2
16	Endogenic Thermal Emission from Enceladus' South Pole Observed by the Cassini Composite Infrared Spectrometer 2010 ·EGU General Assembly Conference Abstracts ·J. R. Spencer, (unknown), J. C. Pearl, A. Verbiscer, T. A. Hurford, M. Segura	1
17	The Endogenic Power of Enceladus' South Pole as observed by Cassini/CIRS and Thermal Inertia and Bolometric Albedo of all Saturn's Icy Satellites. 2008 ·DPS ·(unknown), J. R. Spencer, J. C. Pearl, M. Segura, (unknown)	2
18	Io Science Opportunities From the JIMO Mission 2003 ·AGU Fall Meeting Abstracts ·B. G. Bills, (unknown), J. R. Spencer, R. M. C. Lopes, W. D. Smythe	1
19	Value of laparotomy in the diagnosis of obscure gastrointestinal haemorrhage. 1995 ·Gut ·Michael Lewis, David Khoo, J. R. Spencer	23
20	Effect of cimetidine on the amounts of histamine in the gastric mucosa of patients with gastric or duodenal ulcers. 1981 ·Gut ·W. K. Man, Jimmy Saunders, C J H Ingoldby, J. R. Spencer	23

Rankless uses publication and citation data sourced from OpenAlex, an open and comprehensive bibliographic database. While OpenAlex provides broad and valuable coverage of the global research landscape, it—like all bibliographic datasets—has inherent limitations. These include incomplete records, variations in author disambiguation, differences in journal indexing, and delays in data updates. As a result, some metrics and network relationships displayed in Rankless may not fully capture the entirety of a scholar's output or impact.

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