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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 -
Stars: Formation, Structure and Evolution
In this section we will cover the formation, structure as well as the evolution of stars. We will see that stars still form today, that they evolve,... -
Infrared Imaging of Embedded Clusters: Constraints for Star and Planet Formation
Since its implementation slightly more than a decade ago, astronomical imaging with near-infrared array detectors has matured into an important tool... -
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UV-driven chemistry as a signpost of late-stage planet formation
The chemical reservoir within protoplanetary disks has a direct impact on planetary compositions and the potential for life. A long-lived carbon- and...
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Spottedness Activity of the Young Star TOI 1227 with a Planetary System from Lower Centaurus Crux OB Association (Musca)
Based on high-precision data from the archive of the TESS space mission, a study of the photometric variability of the brightness of TOI 1227, a...
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Discrete element modeling of planetary ice analogs: mechanical behavior upon sintering
Potentially habitable icy Ocean Worlds, such as Enceladus and Europa, are scientifically compelling worlds in the solar system and high-priority...
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Planetesimal rings as the cause of the Solar System’s planetary architecture
Astronomical observations reveal that protoplanetary disks around young stars commonly have ring- and gap-like structures in their dust...
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Planet Formation: Key Mechanisms and Global Models
Models of planet formation are built on underlying physical processes. In order to make sense of the origin of the planets we must first understand... -
The Diversity of Planetary Atmospheric Chemistry
Atmospheres in our solar system range from oxidizing to reducing, transient to dense, veiled by clouds and hazes to transparent. Observations already...
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The Activity of Stars with Planetary Systems and Its Impact on the Loss of Atmosphere by Hot Exoplanets
AbstractThe review presents the results of a wide range of studies on modeling the atmospheres and shells of exoplanets and studying the processes...
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Depletion of gaseous CO in protoplanetary disks by surface-energy-regulated ice formation
Empirical constraints of fundamental properties of protoplanetary disks are essential for understanding planet formation and planetary properties
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Alkali metals in white dwarf atmospheres as tracers of ancient planetary crusts
White dwarfs that accrete the debris of tidally disrupted asteroids
1 provide the opportunity to measure the bulk composition of the building blocks,... -
Free-floating binary planets from ejections during close stellar encounters
The discovery of planetary systems beyond our Solar System has challenged established theories of planetary formation. Planetary orbits display a...
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Stratospheric Planetary Flows from the Perspective of the Euler Equation on a Rotating Sphere
This article is devoted to stationary solutions of Euler’s equation on a rotating sphere, and to their relevance to the dynamics of stratospheric...
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Interacting planetary nebulae III: verification and galactic population based on the measurements of Gaia EDR3
The phenomenon of interaction between planetary nebulae (PNe) and the interstellar medium (ISM) is one of the significant issues in the field of...
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Planetary Distribution of the Space Radiation Dose Rate Based on Results of the DEPRON Experiment Onboard the Lomonosov Satellite
AbstractIn 2016–2017, dosimetric studies were carried out on the Lomonosov satellite of the radiation environment in a circular orbit with an...