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Special Issues

Sustainability publishes Special Issues to create collections of papers on specific topics, with the aim of building a community of authors and readers to discuss the latest research and develop new ideas and research directions. Special Issues are led by Guest Editors, who are experts on the topic and all Special Issue submissions follow MDPI's standard editorial process.

The journal’s Editor-in-Chief and/or designated Editorial Board Member will oversee Guest Editor appointments and Special Issue proposals, checking their content for relevance and ensuring the suitability of the material for the journal. The papers published in a Special Issue will be collected and displayed on a dedicated page of the journal’s website. Further information on MDPI's Special Issue polices and Guest Editor responsibilities can be found here. For any inquiries related to a Special Issue, please contact the Editorial Office.

Open for Submission

Multiwavelength Variability and Unstable Processes in High-Energy-Peaked BL Lacertae Objects

Guest Editors: Bidzina Kapanadze, Stefano Vercellone
Viewed by 223

Deadline: 31 December 2025

Open for Submission

Physics of Black Hole Spins

Guest Editors: George Wong, Alejandro Cárdenas-Avendaño, Delilah Gates, Javier Garcia
Viewed by 211

Deadline: 31 December 2025

Open for Submission

Challenges for Third-Generation Gravitational Wave Detectors and Beyond

Guest Editors: Annalisa Allocca, Lucia Trozzo, Valeria Sequino
8 articles | Viewed by 15,892

Deadline: 15 December 2025

Closed

Alternative Interpretations of Observed Galactic Behaviors

Guest Editors: Anne M. Hofmeister, Robert E. Criss
4 articles | Viewed by 19,354

Deadline: 15 November 2025

Closed

From Tides to Waves: Understanding the Formation Mechanisms of Galactic Spirals

Guest Editor: Aleksandr Mosenkov
5 articles | Viewed by 8,211

Deadline: 15 September 2025

Closed

Circumstellar Matter in Hot Star Systems

Guest Editors: Anatoly Miroshnichenko, Sergei Zharikov, Serik Khokhlov
29 articles | Viewed by 33,096

Deadline: 10 June 2025

Closed

Origins and Models of Planetary Nebulae

Guest Editors: Andreas Ritter, Xuan Fang
5 articles | Viewed by 13,708

Deadline: 10 May 2025

Closed

Gamma-Ray Bursts in Multiwavelength: Theory, Observational Correlations and GRB Cosmology

Guest Editors: Maria Giovanna Dainotti, Nissim Fraija
14 articles | Viewed by 42,011

Deadline: 15 March 2025

Closed

The Red Supergiants: Crucial Signposts for the Fate of Massive Stars

Guest Editor: Roberta M. Humphreys
8 articles | Viewed by 21,701

Deadline: 15 February 2025

Closed

Nucleosynthesis and Dust Production in AGB Stars: Open Issues and Future Perspectives

Guest Editors: Paolo Ventura, Flavia Dell'Agli, Oscar Straniero
19 articles | Viewed by 25,619

Deadline: 15 September 2024

Closed

X-Ray Polarimetry: A New Era Begins with the Imaging X-Ray Polarimetry Explorer

Guest Editors: Ioannis Liodakis, Philip Kaaret, Steven Ehlert
10 articles | Viewed by 23,787

Deadline: 30 June 2024

Closed

Multi-Phase Fueling and Feedback Processes in Jetted AGN

Guest Editors: Isabella Prandoni, Ilaria Ruffa
8 articles | Viewed by 27,038

Deadline: 14 June 2024

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Galaxies - ISSN 2075-4434