The Department of Physical Sciences is home to several degree programs: Bachelor of Science in Astronomy & Astrophysics, Bachelor of Science in Engineering Physics; Bachelor of Science in Space Physics; Master of Science in Engineering Physics; and Doctor of Philosophy in Engineering Physics.
The programs offer a unique balance of engineering and physics curriculum, so students can focus on the scientific challenges and planning associated with mission design and space exploration, along with engineering fundamentals.
These programs prepare students to make positive scientific and technological contributions to our increasingly complex society. This highly research-oriented department has one of the oldest and largest Engineering Physics programs in the nation. Students are involved in all the research, which includes grants funded by NASA, the National Security Agency (NSA), and other agencies.
Submissions from 2024
On Progress in Exploring Controlled Viscous Limit-Cycle Oscillations in Modified Glauert Airfoil, Ethan Deweese, Lap Nguyen, Erik Vataker, William MacKunis, Vladimir Golubev, Ron Efrati, and Oksana Stalnov
Density and Magnetic Field Asymmetric Kelvin‐Helmholtz Instability, Xuanye Ma, Peter Delamere, Katariina Nykyri, Antonius Otto, Stefan Eriksson, Lihui Chai, Brandon Burkholder, Andrew Dimmock, Yu-Lun Liou, and Shiva Kavosi
Toward the Unified Theory of SAID-Linked Subauroral Arcs, Evgeny V. Mishin and Anatoly V. Streltsov
Volumetric Reconstruction of Ionospheric Electric Currents From Tri-Static Incoherent Scatter Radar Measurements, Jone Peter Reistad, Spencer Mark Hatch, Karl M. Laundal, Kjellmar Oksavik, Matthew David Zettergren, Heikki Vanhamaki, and Ilkka I. Virtanen
Interferometric Imaging with EISCAT_3D for Fine-Scale In-Beam Incoherent Scatter Spectra Measurements, M. Zettergren, Devin Huyghebaert, Björn Gustavsson, Juha Vierinen, Andreas Kvammen, John Swoboda, Ilkka Virtanen, Spencer Hatch, and Karl M. Laundal
Submissions from 2023
Accelerating Atmospheric Gravity Wave Simulations using Machine Learning: Kelvin-Helmholtz Instability and Mountain Wave Sources Driving Gravity Wave Breaking and Secondary Gravity Wave Generation, Wenjun Dong, David Fritts, Alan Z. Liu, Hanli Liu, and Jonathan Snively
The Diffuse Ionized Gas Halo of the Large Magellanic Cloud, L. M. Haffner, B. M. Smart, K. A. Barger, D. A. Ciampa, A. S. Hill, D. Krishnarao, and G. J. Madsen
A "Boreing" Night of Observations of the Upper Mesosphere and Lower Thermosphere Over the Andes Lidar Observatory, J. H. Hecht, Alan Liu, D. C. Fritts, R. L. Walterscheid, L. J. Gelinas, and R. J. Rudy
Databases and Inter-Connectivity in Ground-Based Astronomy, Ted von Hippel and C. M. Mountain
Adaptive Modified RISE-based Quadrotor Trajectory Tracking with Actuator Uncertainty Compensation, Emmanuel Ogbanje Ijoga, William MacKunis, Krishna Bhavithavya Kidambi, and Madhur Tiwari
Multi-Layer Evolution of Acoustic-Gravity Waves and Ionospheric Disturbances Over the United States After the 2022 Hunga Tonga Volcano Eruption, P. A. Inchin, A. Bhatt, S. A. Cummer, S. D. Eckermann, B. J. Harding, J. Ma, J. J. Makela, and J B. Snively
GPU Accelerated Adaptive Wave Propagation Algorithm, Brian Kyanjo, Donna Calhoun, C. Burstedde, S. Aiton, J. Snively, and M. Shih
The GBT Diffuse Ionized Gas Survey (GDIGS): Discrete Sources, Dylan J. Linville, Matteo Luisi, Bin Liu, T. M. Bania, Dana S. Balser, Trey V. Wenger, and L. M. Haffner
Gravity Waves Emitted from Kelvin-Helmholtz Instabilities, Alan Z. Liu, Wenjun Dong, David C. Fritts, Thomas S. Lunda, and Han-Li Liu
Analysis of Energy Transfer Among Background Flow, Gravity Waves and Turbulence in the Mesopause Region in the Process of Gravity Wave Breaking From a High-Resolution Atmospheric Model, Alan Z. Liu, Fan Yang, Christopher James Heale, Jonathan Brian Snively, Wenjun Dong, and Thomas Lund
Estimation of the Kelvin–Helmholtz Unstable Boundary, Xuanye Ma
Periodicities and Plasma Density Structure of Jupiter’s Dawnside Magnetosphere, Xuanye Ma, A.A. Schok, P.A. Delamere, B. Mino, P.A. Damiano, B. Zhang, and A. Sciola
On the Propagation of Whistler-Mode Waves in the 2 Magnetic Ducts, Salman A. Nejad and Anatoly V. Streltsov
Extreme Horizontal Wind Perturbations in the Mesosphere and Lower Thermosphere Over South America Associated With the 2022 Hunga Eruption, Facundo L. Poblet, Jorge L. Chau, J. Federico Conte, Juha Vierinen, Jose Suclupe, Alan Liu, and Rodolfo R. Rodriguez
Bayesian Inference for the White Dwarf Initial-Final Mass Relation, Nathan Stein, Ted von Hippel, David van Dyk, Steven DeGennaro, Elizabeth Jeffery, and Bill Jefferys
Identifying Gravity Waves Launched by the Hunga Tonga–Hunga Ha’Apai Volcanic Eruption in Mesosphere/Lower-Thermosphere Winds Derived From Condor and the Nordic Meteor Radar Cluster, Gunter Stober, Alan Liu, Alexander Kozlovsky, Zishun Qiao, Witali Krochin, Guochun Shi, Johan Kero, and et al.
Gravity Waves Generated by the Hunga Tonga-Hunga Ha‘Apai Volcanic Eruption and Their Global Propagation in The Mesosphere/Lower Thermosphere Observed by Meteor Radars And Modeled With the High-Altitude General Mechanistic Circulation Model, Gunter Stober, Sharon L. Vadas, Erich Becker, Alan Liu, Diego Janches, Zishun Qiao, and et.al
Whistler-Mode Waves in Magnetic Ducts, Anatoly V. Streltsov and Salman A. Nejad
Analysis of Energy Transfer among Background Flow, Gravity Waves and Turbulence in the mesopause region in the process of Gravity Wave Breaking from a High-resolution Atmospheric Model, Fan Yang, Alan Z. Liu, Christopher J. Heale, Jonathan B. Snively, Wenjun Dong, and Thomas Lund
Submissions from 2022
Resonant Alfvén Waves in the Lower Auroral Ionosphere: Evidence for the Nonlinear Evolution of the Ionospheric Feedback Instability, Hassanali Akbari, Anatoly Streltsov, Robert Pfaff, James Clemmons, Henry Freudenreich, and Douglas Rowland
Feedback Interactions Between the Ionosphere and Magnetosphere at Middle Latitude, Mergen Alimaganbetov and Anatoly Streltsov
Wavenumbers 3 and 4 Quasi 2-day Wave Activities Observed by Multiple Meteor Radars in the Two Hemispheres During Austral Summer, Hao Cheng, Kai Ming Huang, Alan Z. Liu, Shao Dong Zhang, Chun Ming Huang, and Yun Gong
Rocket Measurements of Electron Energy Spectra From Earth’s Photoelectron Production Layer, Glyn A. Collinson, Alex Glocer, Dennis Chornay, Robert Mitchell, Rob Pfaff, Tim Cameron, and et. al.
The Endurance Rocket Mission, Glyn Collinson, Alex Glocer, Rob Pfaff, Aroh Barjatya, Scott Bissett, Kolbjørn Blix, and et. al.
Comparison of MLT Momentum Fluxes Over the Andes at Four Different Latitudinal Sectors Using Multistatic Radar Configurations, J. Federico Conte, Alan Liu, Zishun Qiao, Jorge L. Chau, David C. Fritts, José L. Hormaechea, Jacobo O. Salvador, and Marco A. Milla
Oxygen Ion Escape at Venus Associated With Three-Dimensional Kelvin-Helmholtz Instability, Tong Dang, Xuanye Ma, Jiuhou Le, Binzheng Zhang, Tielong Zhang, Zhonghua Yao, John Lyon, Sudong Xiao, Maodong Yan, Oliver Brambles, and Kareem Sorathia
Climatology of Deep O+ Dropouts in the Night-Time F-Region in Solar Minimum Measured by a Langmuir Probe Onboard the International Space Station, Shantanab Debchoudhury, Aroh Barjatya, Joseh I. Minow, Victoria N. Coffey, and Linda N. Parker
Modeling Studies of Gravity Wave Dynamics in Highly Structured Environments: Reflection, Trapping, Instability, Momentum Transport, Secondary Gravity Waves, and Induced Flow Responses, Wenjun Dong, David C. Fritts, Michael P. Hickey, Alan Z. Liu, Thomas S. Lund, Shaodong Zhang, Yanying Yan, and Fan Yang
3D Numerical Simulation of Secondary Wave Generation From Mountain Wave Breaking Over Europe, Christopher J. Heale, Katrina Bossert, and Sharon L. Vadas
Venus Mountain Waves in the Upper Atmosphere Simulated by A Time-Invariant Linear Full-Wave Spectral Model, Michael P. HIckey, Richard L. Walterscheid, Thomas Navarro, and Gerald Schubert
Simulation of Infrasonic Acoustic Wave Imprints on Airglow Layers During the 2016 M7.8 Kaikoura Earthquake, P. A. Inchin, J. Aguilar Guerrero, J. B. Snively, and Y. Kaneko
The Dynamics of Tsunamigenic Acoustic-Gravity Waves and Bathymetry Effect, Pavel Alexandrovich Inchin, Christopher James Heale, Jonathan Brian Snively, and Matthew David Zettergren
Observations and Modeling of Scintillation in the Vicinity of a Polar Cap Patch, Leslie J. Lamarche, Kshitija B. Deshpande, and Matthew D. Zettergren
Response of Planetary Waves and Tides to the 2019 Southern Hemisphere Ssw and q2dw Enhancement in Jan-Feb 2020 Observed by Condor Meteor Radar in Chile and Adelaide Meteor Radar in Australia, Alan Liu, Zishun Qiao, Iain Reid, Javier Fuentes, and Chris Adami
Climatology of High-frequency Gravity Waves Observed by an Airglow Imager at Andes Lidar Observatory, Alan Z. Liu and Bing Cao
Statistical Characteristics of High-frequency Gravity Waves Observed by an Airglow Imager at Andes Lidar Observatory, Alan Z. Liu and Bing Cao
Coupling Evidence From Lower Atmosphere to Mesosphere and Ionosphere Through Quasi 27-Day Oscillation, Alan Z. Liu, Kaiming Huang, Hao Cheng, Shaodong Zhang, Chunming Huang, Yun Gong, and Gang Chen
Meteor Radar Vertical Wind Observation Biases and Mathematical Debiasing Strategies Including the 3DVAR+Div Algorithm, Alan Z. Liu, Zishun Qiao, Gunter Stober, Alexander Kozlovsky, Ales Kuchar, Christoph Jacobi, Chris Meek, Diego Janches, Guiping Liu, Masaki Tsutsumi, Njål Gulbrandsen, Satonori Nozawa, Mark Lester, Evgenia Belova, Johan Kero, and Nicholas Mitchell
Mesosphere and Lower Thermosphere Changes Associated With the 2 July 2019 Total Eclipse in South America Over the Andes Lidar Observatory, Cerro Pachon, Chile, A. Liu, F. Vargas, G. Swenson, C. Segura, P. Vega, J. Fuentes, D. Pautet, M. Taylor, Y. Zhao, Y. Morton, and H. Bourne
Improving White Dwarfs as Chronometers with Gaia Parallaxes and Spectroscopic Metallicities, Adam Moss, Ted von Hippel, Elliot Robinson, Kareem El-Badry, David C. Stenning, David van Dyk, Morgan Fouesneau, Coryn A.L. Bailer-Jones, Elizabeth Jeffery, Jimmy Sargent, Isabelle Kloc, and Natalie Moticska
The Source of Auroral Omegas, Heidi K. Nykyri, J.M. Weygand, and Mostafa El-Alaoui
Characteristics of Kelvin-Helmholtz Waves as Observed by the MMS from September 2015 to June 2017, Katariina Nykyri, Xuanye Ma, and Rachel C. Rice
Anomalous Orbital Characteristics of the AQ Col (EC 05217-3914) System, Tomomi Otani, Anthony E. Lynas-Gray, David Kilkenny, Chris Koen, Ted von Hippel, Murat Uzundag, Maja Vuckovic, Clara Pennock, and Roberto Silvotti
A Monte Carlo Method for Evaluating Empirical Gyrochronology Models and Its Application to Wide Binary Benchmarks, Tomomi Otani, Ted von Hippel, Derek Buzasi, Terry Oswalt, Alexander Stone-Martinez, and Patrice Majewski
Ionospheric Feedback and ULF Quarter-Waves, Anatoly Streltsov and Evgeny V. Mishin
On a Guiding of Whistler-Mode Waves by Density Gradients, Anatoly V. Streltsov
Two Substellar Survivor Candidates; One Found and One Missing, T. von Hippel, N. Walters, J. Farihi, T.R. Marsh, E. Breedt, P.W. Cauley, and J.J. Hermes
Stability Characteristics of the Mesopause Region Above the Andes, Fan Yang and Alan Z. Liu
Revisit of Open Clusters Upk 39, Upk 41 and Phoc 39 : A New Binary Open Cluster Found, Xianhao Ye, Terry D. Oswalt, Jingkun Zhao, Yong Yang, and Gang Zhao
Submissions from 2021
A Quasi-27-Day Oscillation Activity From the Troposphere to the Mesosphere And Lower Thermosphere at Low Latitudes, Hao Cheng, Alan Z. Liu, Kaiming Huang, Shaodong Zhang, Chunming Huang, and Yun Gong
Observations and Validation of Plasma Density, Temperature, and O+ Abundance From a Langmuir Probe Onboard the International Space Station, Shantanab Debchoudhury, Aroh Barjatya, Joseph I. Minow, Victoria N. Coffey, and Michael O. Chandler
Primary Versus Secondary Gravity Wave Responses at F-Region Heights Generated by a Convective Source, C. J. Heale, P. A. Inchin, and J. B. Snively
Venus Mountain Waves in the Upper Atmosphere Simulated by a Time-Invariant Linear Full-Wave Spectral Model, Michael P. Hickey, Thomas Navarro, Gerald Schubert, and Richard L. Walterscheid
Investigation on Spectral Characteristics of Gravity Waves in the MLT Using Lidar Observations at Andes, Kai Ming Huang, Hang Liu, Alan Z. Liu, Shao Dong Zhang, Chun Ming Huang, Yun Gong, and Wu Han Ning
Inferring the Evolution of a Large Earthquake from Its Acoustic Impacts on the Ionosphere, P. A. Inchin, J. B. Snively, M. D. Zettergren, Y. Kaneko, and A. Komjathy
Modeling of Upper Atmospheric Responses to Acoustic-Gravity Waves Generated by Earthquakes and Tsunamis, Pavel Inchin, Jonathan Snively, Matthew D. Zettergren, Yoshihiro Kaneko, and Attila Komjathy
Reduced-order Dynamic Modeling and Robust Nonlinear Control of Fluid Flow Velocity Fields, Anu Kossery Jayaprakash, William MacKunis, Vladimir Golubev, and Oksana Stalnov
Robust Nonlinear Tracking Control for Unmanned Aircraft in the Presence of Wake Vortex, Petr Kazarin, Vladimir Golubev, William MacKunis, and Claudia Moreno
Corrigendum: The Remote Observatories of the Southeastern Association for Research in Astronomy (SARA), William C. Keel, Terry Oswalt, Peter Mack, Gary Henson, Todd Hillwig, Daniel Batcheldor, Robert Berrington, Chris De Pree, Dieter Hartmann, Martha Leake, Javier Licandro, Brian Murphy, James Webb, and Matt A. Wood
Mosaic: A Satellite Constellation to Enable Groundbreaking Mars Climate System Science and Prepare for Human Exploration, Robert J. Lillis, David Mitchell, Luca Montabone, Nicholas Heavens, Tanya Harrison, Cassie Stuurman, and et. al.
Statistical Spectral Characteristics of Three-Dimensional Winds in the Mesopause Region Revealed by the Andes Lidar, Qian Li, Alan Z. Liu, Shao Dong Zhang, Chun Ming Huang, Kai Ming Huang, Yun Gong, Quan Gan, Yan Ying Yan, and Hang Liu
Auroral Heating of Plasma Patches Due to High-Latitude Reconnection, Joaquin Diaz Pena, Joshua Semeter, Yukitoshi Nishimura, Roger Varney, Ashton Reimer, Marc Hairston, Matthew Zettergren, Michael Hirsch, Olga Verkhoglyadova, Keisuke Hosokawa, and Kazuo Shiokawa
Atmospheric Tomography Using the Nordic Meteor Radar Cluster and Chilean Observation Network De Meteor Radars: Network Details and 3DVAR Retrieval, Gunter Stober, Alan Liu, Zishun Qiao, Alexander Kozlovsky, Masaki Tsutsumi, Chris Hall, Satonori Nozawa, Mark Lester, Evgenia Belova, Johan Kero, Patrick J. Espy, Robert E. Hibbins, and Nicholas Mitchell
Atmospheric Tomography Using the Nordic Meteor Radar Cluster And Chilean Observation Network de Meteor Radars: Network Details and 3D-Var Retrieval, Gunter Stober, Alan Z. Liu, Zishun Qiao, Alexander Kozlovsky, Masaki Tsutsumi, Chris Hall, Satonori Nozawa, Mark Lester, Evgenia Belova, Johan Kero, Patrick J. Espy, Robert E. Hibbins, and Nicholas Mitchell
Collisions in a Gas-Rich White Dwarf Planetary Debris Disc, Ted von Hippel, University College London, Scott J. Kenyon, Jay Farihi, Erik Dennihy, Boris T. Gänsicke, J.J. Hermes, and Carl Melis
Submissions from 2020
Evidence for Horizontal Blocking and Reflection of a Small-Scale Gravity Wave in the Mesosphere, N. R. Criddle, C. Heale, J. Snively, P. -D. Pautet, T. Yuan, Y. Zhao, and M. J. Taylor
Finite-Time State Estimation for an Inverted Pendulum under Input-Multiplicative Uncertainty, Sergey V. Drakunov, William MacKunis, Anu Kossery Jayaprakash, Krishna Bhavithavya Kidambi, and Mahmut Reyhanoglu
gravity waves, na lidar, Yafang Guo and Alan Z. Liu
Seasonal Variation of Vertical Heat and Energy Fluxes due to Dissipating Gravity Waves in the Mesopause Region Over the Andes, Yafang Guo and Alan Z. Liu
Secondary Gravity Waves Generated by Breaking Mountain Waves Over Europe, Christopher J. Heale, Jonathan B. Snively, Katrina Bossert, S. L. Vadas, Lars Hoffmann, A. Dörnbrack, G. Stober, and C. Jacobi
Kelvin-Helmholtz Billow Interactions and Instabilities In The Mesosphere Over the Andes Lidar Observatory: 1. Observations, J. H. Hecht, R. L. Walterscheid, A. Z. Liu, D. C. Fritts, L. J. Gelinas, and R. J. Rudy
Polarization Measurements of the Polluted White Dwarf G29-38, Ted von Hippel, Daniel V. Cotton, Jeremy Bailey, J.E. Pringle, William B. Sparks, and Jonathan P. Marshall
The Dynamics of Nonlinear Atmospheric Acoustic-Gravity Waves Generated by Tsunamis Over Realistic Bathymetry, P. A. Inchin, C. J. Heale, J. B. Snively, and M. D. Zettergren
Mesopause Airglow Disturbances Driven by Nonlinear Infrasonic Acoustic Waves Generated by Large Earthquakes, P. A. Inchin, J. B. Snively, J. Aguilar Guerrero, M. D. Zettergren, A. Williamson, and D. Melgar
Modeling of Ionospheric Responses to Atmospheric Acoustic and Gravity Waves Driven by the 2015 Nepal M w 7.8 Gorkha Earthquake, P. A. Inchin, J. B. Snively, M. D. Zettergren, A. Komjathy, O. P. Verkhoglyadova, and S. Tulasi Ram
The EXOTIME Project: Signals in the O − C Diagrams of the Rapidly Pulsating Subdwarfs DW Lyn, V1636 Ori, QQ Vir, and V541 Hya, F. Mackebrandt, Terry Oswalt, S. Schuh, R. Silvotti, S. -L. Kim, D. Kilkenny, E. M. Green, R. Lutz, T. Nagel, J. L. Provencal, Tomomi Otani, S. Benatti, L. Lanteri, A. Bonanno, A. Frasca, R. Janulis, M. Paparó, L. Molnár, R. Claudi, and R. H. Østensen
Finite-Time State Estimation for an Inverted Pendulum under Input-Multiplicative Uncertainty, William MacKunis, Sergey V. Drakunov, Anu Kossery Jayaprakash, Krishna Bhavithavya Kidambi, and Mahmut Reyhanoglu
Astro2020 APC White Paper. 2020 Vision: Towards a Sustainable OIR System, Sally Oey, Terry D. Oswalt, Tom Maccarone, Fred Walter, Charles Bailyn, Jay Gallagher, Todd Henry, Derek Buzasi, J. Allyn Smith, Rachael Beaton, Jim Webb, Brad Barlow, Misty Bentz, Leslie Hebb, Patrick Kelly, Jedidah Isler, Michael Meyer, John Salzer, and Simone Scaringi
Near-Infrared Variability in Dusty White Dwarfs: Tracing the Accretion of Planetary Material, Laura K. Rogers, Siyi Xu, Amy Bonsor, Simon Hodgkin, Kate Y.L. Su, Ted von Hippel, and Michael Jura
Nearly 30,000 Late-Type Main-Sequence Stars with Stellar Age from LAMOST DR5, Jiajun Zhang, Terry D. Oswalt, Jingkun Zhao, Xilong Liang, Xianhao Ye, and Gang Zhao
Two Portions of Sagittarius Stream in the LAMOST Complete Spectroscopic Survey of Pointing Area at Southern Galactic Cap, J. K. Zhao, Terry D. Oswalt, X. H. Ye, H. Wu, M. Yang, X. X. Xue, Y. Q. Chen, J. J. Zhan, and G. Zhao
Submissions from 2019
A Numerical Investigation on the Variation of Sodium Ion and Observed Thermospheric Sodium Layer at Cerro Pachón, Chile During Equinox, Xuguang Cai, Tao Yuan, J. Vincent Eccles, N. M. Pedatella, Xiaoqi Xi, Chao Ban, and Alan Z. Liu
Bayesian Characterization of Main-Sequence Binaries in the Old Open Cluster NGC 188, Roger E. Cohen, Ted von Hippel, and Aaron M. Geller
Multilayer Observations and Modeling of Thunderstorm-Generated Gravity Waves Over the Midwestern United States, C. J. Heale, J. B. Snively, A. N. Bhatt, L. Hoffmann, and C. C. Stephan
Numerical Modeling of the Propagation of Infrasonic Acoustic Waves Through the Turbulent Field Generated by the Breaking of Mountain Gravity Waves, Michael P. Hickey, Jonathan Snively, C Bailly, and J. L. Garrison
Preservation of Our Astronomical Heritage: State of the Profession White Paper for Astro2020, James Lattis, Wayne Osborn, Terry D. Oswalt, Jennifer Lynn Bartlett, Elizabeth Griffin, Thomas Hockey, Stephen McCluskey, Alexei A. Pevtsov, Sara Schechner, and Virginia Trimble
Gravity Wave Ducting Observed in the Mesosphere Over Jicamarca, Peru, Gerald A. Lehmacher, Christopher J. Heale, Jonathan B. Snively, Erhan Kudeki, Pablo M. Reyes, and Kiwook Lee
Vortex: A New Rocketexperiment to Studymesoscale Dynamics at the Turbopause, Gerald A. Lehmacher, Miguel F. Larsen, Michael J. Taylor, Jonathan B. Snively, Aroh Barjatya, Franz-Josef Lübken, and Jorge L. Chau
Parameterizing Wave‐Driven Vertical Constituent Transport in the Upper Atmosphere, Alan Z. Liu, Chester S. Gardner, and Yafang Guo
Comparison Between Fluid Simulation with Test Particles and 1 Hybrid Simulation for the Kelvin-Helmholtz Instability, Xuanye Ma, Katariina Nykyri, Brandon L. Burkholder, Rachel C. Rice, Peter A. Delamere, and Bishwa Neupane
Steve and the Picket Fence: Evidence of Feedback-Unstable Magnetosphere-Ionosphere Interaction, Evgeny Mishin and Anatoly Streltsov
On the Long Lasting “C‐Type” Structures in the Sodium Lidargram: The Lifetime of Kelvin‐Helmholtz Billows in the Mesosphere and Lower Thermosphere Region, S. Mondal, S. Sarkhel, Jay Agarwal, D. Chakrabarty, R. Sekar, Tao Yuan, Alan Z. Liu, and et al.
First MMS Observation of Energetic Particles Trapped in High-Latitude Magnetic Field Depressions, Katariina Nykyri, Christina Chu, Xuanye Ma, Stephen A. Fuselier, and Rachel Rice
Book Review: Exoplanets : Hidden Worlds and the Quest for Extraterrestrial Life, T. D. Oswalt
An Analysis of the Atmospheric Propagation of Underground-Explosion-Generated Infrasonic Waves Based on the Equations of Fluid Dynamics: Ground Recordings, Roberto Sabatini, Jonathan B. Snively, Michael P. Hickey, and J. L. Garrison
