Astronomy and Astrophysics

1.0M papers and 22.1M indexed citations i.

About

1.0M papers covering Astronomy and Astrophysics have received a total of 22.1M indexed citations since 1950. Papers on subfields are most often about the specific topic of Astro and Planetary Science, Ionosphere and magnetosphere dynamics and Solar and Space Plasma Dynamics and also cover the fields of Nuclear and High Energy Physics, Aerospace Engineering and Atomic and Molecular Physics, and Optics. Papers citing papers on subfields are usually about Nuclear and High Energy Physics, Atomic and Molecular Physics, and Optics and Geophysics. Some of the most active scholars covering Astronomy and Astrophysics are S. W. Hawking, Edward Witten, Andrei Linde, Steven Weinberg, Juan Maldacena, E. N. Parker, Lars Hernquist, C. T. Russell, J. W. Head and Volker Springel.

In The Last Decade

Fields of papers citing papers about Astronomy and Astrophysics

Since Specialization
Physical SciencesHealth SciencesLife SciencesSocial Sciences

This network shows the impact of papers covering Astronomy and Astrophysics. Nodes represent research fields, and links connect fields that are likely to share authors. Colored nodes show fields that tend to cite the papers covering Astronomy and Astrophysics.

Countries where authors publish papers about Astronomy and Astrophysics

Since Specialization
Citations

This map shows the geographic impact of research in Astronomy and Astrophysics. 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 papers about Astronomy and Astrophysics with the expected number of citations based on a country's size and research output (numbers larger than one mean the country cites Astronomy and Astrophysics more than expected).

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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2026