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Orbit Dynamics, Stability and Chaos in Planetary Systems
Let us start with a problem of dynamical biology, which was posed about 800 years ago by Fibonacci1
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Planet Formation
Motivating the study of planet formation is not difficult for any curious audience. One of the fundamental human questions is that of origins: “where...
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Extrasolar Planetary Systems
This paper is an updated version of lectures given at the Helmholtz Summer School on Extrasolar Planetary Systems (Potsdam, 2003). It includes five...
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Regular and Chaotic Motion in Hamiltonian Systems
All laws that describe the time evolution of a continuous system are given in the form of differential equations, ordinary (if the law involves one...
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Ephemeris accuracy improvement for moons of gas giants: a deep learning based method
Ephemerides accuracy of gas giant planetary system is of paramount importance in astronomical research, planetary exploration missions, and space...
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Radar for Europa Assessment and Sounding: Ocean to Near-Surface (REASON)
The Radar for Europa Assessment and Sounding: Ocean to Near-surface (REASON) is a dual-frequency ice-penetrating radar (9 and 60 MHz) onboard the...
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Exploring the Composition of Europa with the Upcoming Europa Clipper Mission
Jupiter’s icy moon, Europa, harbors a subsurface liquid water ocean; the prospect of this ocean being habitable motivates further exploration of the...
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Fundamental Science Achieved with a Single Probe in Each Giant Planet Atmosphere
Recent observations of Jupiter’s atmosphere showing unexpected depletion of ammonia below the ammonia cloud-forming region has brought up the...
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Time-Delay Cosmography: Measuring the Hubble Constant and Other Cosmological Parameters with Strong Gravitational Lensing
Multiply lensed images of a same source experience a relative time delay in the arrival of photons due to the path length difference and the...
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Mission Design and Concept of Operations for the Lucy Mission
The Lucy mission is NASA’s 13th Discovery-class mission and the first mission to the Trojan asteroids. The spacecraft conducts flybys of 8 Trojan...
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Geological Record of Water and Wind Processes on Mars as Observed by the Mars Express High Resolution Stereo Camera
This review paper summarizes the observations and results of the Mars Express Mission and its application in the analysis of geological processes and...
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Astronomical Observations in Support of Planetary Entry-Probes to the Outer Planets
A team of Earth-based astronomical observers supporting a giant planet entry-probe event substantially enhances the scientific return of the mission....
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Recipes for Forming a Carbon–Rich Giant Planet
The exploration of carbon-to-oxygen ratios has yielded intriguing insights into the composition of close-in giant exoplanets, giving rise to a...
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Magnetic Reconnection and Associated Particle Acceleration in High-Energy Astrophysics
Magnetic reconnection occurs ubiquitously in the universe and is often invoked to explain fast energy release and particle acceleration in...
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Airglow and Aurora in the Martian Atmosphere: Contributions by the Mars Express and ExoMars TGO Missions
The study of atmospheric emissions from orbit to probe the middle and upper atmosphere of Mars, which started with the Mariner missions, is living a...
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The Ionosphere of Mars After 20 Years of Mars Express Contributions
The Martian ionosphere originates from the ionization of the planetary neutral atmosphere by solar radiation. This conductive layer is embedded...
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Science Overview of the Europa Clipper Mission
The goal of NASA’s Europa Clipper mission is to assess the habitability of Jupiter’s moon Europa. After entering Jupiter orbit in 2030, the flight...
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The Europa Thermal Emission Imaging System (E-THEMIS) Investigation for the Europa Clipper Mission
The Europa Thermal Emission Imaging System (E-THEMIS) on the Europa Clipper spacecraft will investigate the temperature and physical properties of...
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On the Influence of the Rayleigh–Taylor Instability on the Formation of Dust Clouds in the Mesosphere of Mars
Abstract —A theoretical model is presented that describes the settling regime of plasma-dust clouds in the mesosphere of Mars. The values of the...
