2010
DOI: 10.1017/s1473550410000157
|View full text |Cite
|
Sign up to set email alerts
|

Bacterial morphologies supporting cometary panspermia: a reappraisal

Abstract: : It is nearly 30 years since the first decisive evidence of microbial morphologies in carbonaceous chondrites was discovered and reported by Hans Dieter Pflug. In addition to morphology, other data, notably laser mass spectroscopy, served to confirm the identification of such structures as putative bacterial fossils. Recent examinations of cometary dust collected in the stratosphere and further studies of carbonaceous meteorites reaffirm the presence of putative microbial fossils. Since carbonaceous chondrite… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
2
1
1
1

Citation Types

0
10
0

Year Published

2012
2012
2022
2022

Publication Types

Select...
4
3
2

Relationship

0
9

Authors

Journals

citations
Cited by 16 publications
(10 citation statements)
references
References 19 publications
0
10
0
Order By: Relevance
“…6h). This would permit to apply modifications of the basic algorithms of the physics of fields in order to model the eco-evolutionary process: that is to say, the evolutionary emergence of reptiles as a perturbation in a "field" of amphibians that, in turn, would be equivalent to a physical perturbation in a field of fish, and so on, until a point in which there would be an analytical bifurcation between the emergence of life on the Earth as either a pro-negentropy perturbation in a molecular field (see, e.g., England, 2013) or as a perturbation in an all-encompassing universal field of microbial life (panspermia, e.g., Nicholson, 2009;Wickramasinghe, 2011). (3) All the ecosystems are super-systems that include many subsystems interwoven with each others.…”
Section: Discussionmentioning
confidence: 99%
“…6h). This would permit to apply modifications of the basic algorithms of the physics of fields in order to model the eco-evolutionary process: that is to say, the evolutionary emergence of reptiles as a perturbation in a "field" of amphibians that, in turn, would be equivalent to a physical perturbation in a field of fish, and so on, until a point in which there would be an analytical bifurcation between the emergence of life on the Earth as either a pro-negentropy perturbation in a molecular field (see, e.g., England, 2013) or as a perturbation in an all-encompassing universal field of microbial life (panspermia, e.g., Nicholson, 2009;Wickramasinghe, 2011). (3) All the ecosystems are super-systems that include many subsystems interwoven with each others.…”
Section: Discussionmentioning
confidence: 99%
“…(3) A. royreba can tolerate temperatures of -85 o C, MegaRad doses of gamma radiation, form cysts that contain and safeguard a vast spectrum of genetic information, and harbor or spawn numerous bacteria or bacteria-like organisms with unusual properties in an apparent symbioticlike relationship allowing both to survive harsh environments. Can it therefore be a candidate as a vehicle for panspermia thereby shedding light on the transfer of life [44,45]? Is it also imaginable that an entity such as A. royreba could, perhaps encased in asteroids, comets, or space dust, traverse many light years and seed planets in the cosmosincluding Earth?…”
Section: Resultsmentioning
confidence: 99%
“…As mentioned before, life originated on Earth around 1 billion years after the formation of Earth [1,2]. For this geological period, short of fossil or geochemical evidence for earlier life has left ample scope for hypotheses, which fall into two main groups: Earth origin and panspermia [96]. Panspermia just due to people lacks the understanding of surface tension and gravitational binding quiddity of life.…”
Section: Life Abiogenesis In a Whirlpool By Surface Tension Inversionmentioning
confidence: 99%