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Interstellar Neutrals, Pickup Ions, and Energetic Neutral Atoms Throughout the Heliosphere: Present Theory and Modeling Overview
Interstellar neutrals (ISNs), pick-up ions (PUIs), and energetic neutral atoms (ENAs) are fundamental constituents of the heliosphere and its...
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Dust in and Around the Heliosphere and Astrospheres
Interstellar dust particles were discovered in situ, in the solar system, with the Ulysses mission’s dust detector in 1992. Ever since, more...
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The Structure of the Large-Scale Heliosphere as Seen by Current Models
This review summarizes the current state of research aiming at a description of the global heliosphere using both analytical and numerical modeling...
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Galactic Cosmic Rays Throughout the Heliosphere and in the Very Local Interstellar Medium
We review recent observations and modeling developments on the subject of galactic cosmic rays through the heliosphere and in the Very Local...
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Turbulence in the Outer Heliosphere
The solar wind (SW) and local interstellar medium (LISM) are turbulent media. Their interaction is governed by complex physical processes and creates...
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The Structure of the Global Heliosphere as Seen by In-Situ Ions from the Voyagers and Remotely Sensed ENAs from Cassini
The exploration of interplanetary space and our solar bubble, the heliosphere, has made a big leap over the past two decades, due to the...
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Theory of Cosmic Ray Transport in the Heliosphere
Modelling the transport of cosmic rays (CRs) in the heliosphere represents a global challenge in the field of heliophysics, in that such a study, if...
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Observations of the Outer Heliosphere, Heliosheath, and Interstellar Medium
The Voyager spacecraft have left the heliosphere and entered the interstellar medium, making the first observations of the termination shock,...
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The Heliosphere and Local Interstellar Medium from Neutral Atom Observations at Energies Below 10 keV
As the heliosphere moves through the surrounding interstellar medium, a fraction of the interstellar neutral helium, hydrogen, and heavier species...
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The Sun’s Alfvén Surface: Recent Insights and Prospects for the Polarimeter to Unify the Corona and Heliosphere (PUNCH)
The solar wind is the extension of the Sun’s hot and ionized corona, and it exists in a state of continuous expansion into interplanetary space. The...
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Linking the Sun to the Heliosphere Using Composition Data and Modelling
Our understanding of the formation and evolution of the corona and the heliosphere is linked to our capability of properly interpret the data from...
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Observations of cross scale energy transfer in the inner heliosphere by Parker Solar Probe
The solar wind, a continuous flow of plasma from the sun, not only shapes the near Earth space environment but also serves as a natural laboratory to...
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In Situ Observations of Interstellar Pickup Ions from 1 au to the Outer Heliosphere
Interstellar pickup ions are an ubiquitous and thermodynamically important component of the solar wind plasma in the heliosphere. These PUIs are born...
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Adaptive Global Magnetohydrodynamic Simulations
This chapter briefly summarizes global MHD codes that are presently used in geospace modeling with particular attention to their availability for...
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Future Exploration of the Outer Heliosphere and Very Local Interstellar Medium by Interstellar Probe
A detailed overview of the knowledge gaps in our understanding of the heliospheric interaction with the largely unexplored Very Local Interstellar...
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Astrospheres of Planet-Hosting Cool Stars and Beyond ⋅ When Modeling Meets Observations
Thanks to dedicated long-term missions like Voyager and GOES over the past 50 years, much insight has been gained on the activity of our Sun, the...
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Current Sheets, Plasmoids and Flux Ropes in the Heliosphere
Recent accumulation of a critical mass of observational material from different spacecraft complete with the enhanced abilities of numerical methods...
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A journey of exploration to the polar regions of a star: probing the solar poles and the heliosphere from high helio-latitude
A mission to view the solar poles from high helio-latitudes (above 60°) will build on the experience of Solar Orbiter as well as a long heritage of...
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Current Sheets, Plasmoids and Flux Ropes in the Heliosphere
Our understanding of processes occurring in the heliosphere historically began with reduced dimensionality - one-dimensional (1D) and two-dimensional...
