The chemical species in protoplanetary disks react with each other.
Thi Wing-Fai 2015, 'Disk Chemistry*', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/201510200012. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Gas represents the bulk of the mass content in protoplanetary disks.
Dionatos Odysseas 2015, 'Gas line observations of disks*', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/201510200008. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Models for the interpretation of line observations from protoplanetary disks are summarized.
Kamp Inga 2015, 'Modeling and interpretation of line observations*', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/201510200013. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Dust particles are the dominant source of opacity at (almost) all wavelengths and in (almost) all regions of protoplanetary disks.
Min Michiel 2015, 'Dust Opacities*', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/201510200005. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Both processes are crucial for the dispersal of protoplanetary disks and therefore critical for the time scales of planet formation.
Güdel Manuel 2015, 'Ionization and heating by X-rays and cosmic rays*', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/201510200015. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Protoplanetary discs are a natural consequence of the star formation process and as such are ubiquitous around low-mass stars.
Ercolano Barbara 2013, 'The dispersal of protoplanetary discs', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/20134714002. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
Atomic and molecular line emission from protoplanetary disks contains key information of their detailed physical and chemical structures.
Kamp Inga 2015, 'Line radiative transfer and statistical equilibrium*', EPJ Web of Conferenceshttp://dx.doi.org/10.1051/epjconf/201510200010. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)