Evaluating the Microbial Habitability of Rogue Planets and Proposing Speculative Scenarios on How They Might Act as Vectors for Panspermia

dc.contributor.authorSchulze-Makuch, Dirk
dc.contributor.authorFairén, Alberto G.
dc.date.accessioned2021-09-16T09:28:48Z
dc.date.available2021-09-16T09:28:48Z
dc.date.issued2021-08-14
dc.date.updated2021-09-13T14:47:12Z
dc.description.abstractThere are two types of rogue planets, sub-brown dwarfs and “rocky” rogue planets. Sub-brown dwarfs are unlikely to be habitable or even host life, but rocky rogue planets may have a liquid ocean under a thick atmosphere or an ice layer. If they are overlain by an insulating ice layer, they are also referred to as Steppenwolf planets. However, given the poor detectability of rocky rogue planets, there is still no direct evidence of the presence of water or ice on them. Here we discuss the possibility that these types of rogue planets could harbor unicellular organisms, conceivably based on a variety of different energy sources, including chemical, osmotic, thermal, and luminous energy. Further, given the theoretically predicted high number of rogue planets in the galaxy, we speculate that rogue planets could serve as a source for galactic panspermia, transferring life to other planetary systems.en
dc.description.sponsorshipEC/H2020/818602/EU/The physicochemical nature of water on early Mars/MarsFirstWateren
dc.description.sponsorshipDFG, 414044773, Open Access Publizieren 2021 - 2022 / Technische Universität Berlinen
dc.identifier.eissn2075-1729
dc.identifier.urihttps://depositonce.tu-berlin.de/handle/11303/13592
dc.identifier.urihttp://dx.doi.org/10.14279/depositonce-12379
dc.language.isoenen
dc.rights.urihttps://creativecommons.org/licenses/by/4.0/en
dc.subject.ddc550 Geowissenschaftende
dc.subject.otherrogue planeten
dc.subject.othermicrobial lifeen
dc.subject.otherhabitabilityen
dc.subject.otherpanspermiaen
dc.titleEvaluating the Microbial Habitability of Rogue Planets and Proposing Speculative Scenarios on How They Might Act as Vectors for Panspermiaen
dc.typeArticleen
dc.type.versionpublishedVersionen
dcterms.bibliographicCitation.articlenumber833en
dcterms.bibliographicCitation.doi10.3390/life11080833en
dcterms.bibliographicCitation.issue8en
dcterms.bibliographicCitation.journaltitleLifeen
dcterms.bibliographicCitation.originalpublishernameMDPIen
dcterms.bibliographicCitation.originalpublisherplaceBaselen
dcterms.bibliographicCitation.volume11en
tub.accessrights.dnbfreeen
tub.affiliationFak. 2 Mathematik und Naturwissenschaften>Zentrum für Astronomie und Astrophysikde
tub.affiliation.facultyFak. 2 Mathematik und Naturwissenschaftende
tub.affiliation.instituteZentrum für Astronomie und Astrophysikde
tub.publisher.universityorinstitutionTechnische Universität Berlinen
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