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Andrew Planet
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Andrew Planet's Discussions

AbSciCon 2015 recorded videos event

Started this discussion. Last reply by Jamie Rich Jul 22, 2015. 3 Replies

This is a week long event that happened recently called AbSciCon 2015 and which NASA Astrobiology recorded.  The different speakers covered an immense variety of topics inclusive within the realm of…Continue

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Welcome, Andrew Planet!

Profile Information

What best describes you?
Educator, Science enthusiast
Main Affiliation
Human Ecology
About Me
I´m into human ecology with a factualist belief system & psychoneural identity. I exist therefore I am. I think therefore I virtually verbalize mentally. Thinking life in this universe is this same universe aware of itself and so human ecology encompasses from the furthest reaches humans have astronomically been able to discern, to management of this very Earth from where we started to look beyond geocentric perception.

I'm culturally British based but I'm fluently bilingual with Spanish, with an Andalucian accent. I've only been educated in English though. Being anglicized is a very Spanish thing to do. Due to my biligualism and writing primarily in English on a Spanish hardware keyboard, I accidentally created this emoticon yesterday :¡D (04/05/20)

On my profile photo you can see me with the North African continental coastline at the top throughout most of the photo in a line, across the entrance to the Mediterranean Sea behind me whilst standing in Gibraltar's nature reserve, Southernmost Iberia, Europe.

This photo is coincidentally very appropriate because my right eye, the one I'm visually impaired with, on the left, is in the shade and my other normal sighted eye is in the sunlight on the right.

Me interesa ecologia humana planetaria y tengo un sistema de creencias basado es echos. Existo, luego pienso. Pienso, es decir, verbalizo virtualmente en mi mente. Soy bilingue con el ingles

To see some of my writing go to

www.polyphenism.com

www.factualism.faith

www.aplanet.space

¿Did ribosomes evolve in a lower order type of prokaryote endosymbiosis?

Last nights (my time) live video session with Bruce Damer was very thought stimulating and he mentioned ribosomes which I am fond of but only know about per se at a very basic level


After the video session a tweet (below) on fossil DNA came out to replace the video window and even though this was not directly related to ribosomes, the slide on the cyanobacteria reminded me of the ticker tape mechanism of ribosomes reading mRNA. ¿The thought came to me then, did ribosomes evolve in a lower order type of prokaryote endosymbiosis?


There are different levels of symbiosis, the most ancestrally basic known as mitochondria and chloroplasts in eukaryotes which are thought to have evolved from erstwhile prokaryotes, There is also symbiosis of a higher order such of eukaryotes on eukaryotes such as the photosynthetic green sea slug Elysia cholorotica which uses algae to photosynthesize is a process called kleptoplasty and another one is lichens which are formed from the symbiotic relationships between fungi and algae. One last example is that of the photosynthetic marine flatworm Symsagittifera roscoffensis,


Coming back to ribosomes, they are minute particles consisting of RNA and associated proteins, found in large numbers in the cytoplasm of living cells and which bind messenger RNA and transfer RNA to synthesize polypeptides and proteins. I mentioned my idea on whether ribosomes in organisms could have evolved as the result of some sort of endosymbiosis to a Saganet member that had remained online after the video. He answered that there was such a thing as ribozymes which are RNA molecules capable of acting as an enzyme. So I concluded that if an organism evolved to incorporate another organism that replicated using ribozymes using ribozymes itself to replicate too, endosymbiosis might have been possible, leading to the evolution of ribosomes.  Satellite viruses (See link below) might be doing something like the latter


Literally a few minutes after that event a post which I coincidentally came about was made on Natalie Cabrols Facebook page called Planetary Landscapes on the green sea slug Elysia cholorotica. I’d messaged Planetary Landscapes through Facebook on Elysia cholorotica last January to see if they knew about it and might want it to make a post but on that occasion they did not reply. I was so glad to see the post that I repeated on it all the ideas that had just occurred to me on Saganet which I’d also contributed to the Tweet I mentioned above.


Like I mentioned before, I only know about ribosomes per se in very basic terms but it seems to have been a plausible theory of endosymbiosis in prokaryotes.

I have in fact taught on Elysia cholorotica in Powerpoint presentations I have given on plants to classes of children. I have also given classes in English and Spanish to children on cosmological evolution and how that leads to biological evolution. I’ve done that in state schools and private educational concerns in Gibraltar and Spain. At the end of the classes we ask the children to draw a picture or write some text, or both, on their take on evolution and we give them actual polished fossils as prizes to the best four or five. I import Moroccan fossils from England because even if Morocco is just a few kilometers away from Gibraltar, it costs 4 times less to do so. ¡Bless Darwin!

https://twitter.com/SETIInstitute/status/1168983761817624576

Satellite Viruses   https://en.wikipedia.org/wiki/Satellite_(biology)

Andrew Planet's Blog

Using tried and tested methods of constructing habitats from ethnobotanical and ethnozoological useful species for self sustainability on Mars

Posted on June 26, 2020 at 8:00am 0 Comments

To maximize crop yields on Mars it would be advantageous to do away with annuals and biannuals by engineering the latter into perennials as standard. Not only would that entail far less work to grow produce as the act of replanting is made obsolete, but per given cultivated area perennials bring forth more food and materials with less demand from the soil than the equivalent of annuals.

Imagine a superfood annual such as lentils engineered into a lentil tree for which there already…

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Radiolysis-powered life

Posted on June 11, 2020 at 9:56pm 7 Comments

This paper greatly extends the possibility of what a Goldilocks zone can be.  Its no longer the Goldilocks zone as a single expanse, its the Goldilocks zones for a particular area

https://royalsocietypublishing.org/doi/pdf/10.1098/rsif.2016.0459

¿Are the Venusian sulphuric acid clouds the by product of long dead anoxogenic photosynthetic organisms?

Posted on May 4, 2020 at 2:51pm 2 Comments

I just read the piece at the link below entitled "Study: Life might survive, and thrive, in a hydrogen world."

I'd been thinking on similar lines recently, on different atmospheres with early life, but I was considering anoxogenic bacteria whose byproduct is sulfur instead of molecular oxygen. ¿Had life evolved on Venus could its sulfuric clouds be the signature byproduct of such life with no branches ever evolving to produce the equivalent of Earth's Great…

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100 years tomorrow 26th April 2020 since we looked beyond the Milky Way Galaxy

Posted on April 25, 2020 at 11:10am 0 Comments

Exactly 100 years ago tomorrow, the subject on whether this Universe is larger than the Milky Way Galaxy was brought up publicly at an event sponsored by the National Academy of Sciences, known as The Great Debate. Until then the Milky Way was thought to be this Universe.  Conference at the NAS http://www.nasonline.org/about-nas/events/annual-meeting/nas157/

See this…

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At 1:24pm on May 28, 2013,
Expert
Sanjoy Som
said…

Hey Andrew! To stimulate the "Sagan en habla hispana" group, would you be able to translate and post each week the discussion of the week inside the group's discussion forum? What do you think? - cheers

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Using tried and tested methods of constructing habitats from ethnobotanical and ethnozoological useful species for self sustainability on Mars

Posted by Andrew Planet on June 26, 2020 at 8:00am 0 Comments

To maximize crop yields on Mars it would be advantageous to do away with annuals and biannuals by engineering the latter into perennials as standard. Not only would that entail far less work to grow produce as the act of replanting is made obsolete, but per given cultivated area perennials bring forth more food and materials with less demand from the soil than the equivalent of annuals.

Imagine a superfood annual such as lentils engineered into a lentil tree for which there already…

Continue

Free astrobiology webinars for kids, summer 2020

Posted by Julia Brodsky on June 13, 2020 at 12:28pm 0 Comments

This summer, Art of Inquiry hosts free space exploration and astrobiology webinars for middle-school students and their families all over the world.



Here is a list of what was covered so far, as well as an updated schedule of webinars:

The search for life in the Universe, Dr. Alex Tsapin, JPL (retired)

The history of SETI, SETIQuest editor, Larry…

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Radiolysis-powered life

Posted by Andrew Planet on June 11, 2020 at 9:56pm 7 Comments

This paper greatly extends the possibility of what a Goldilocks zone can be.  Its no longer the Goldilocks zone as a single expanse, its the Goldilocks zones for a particular area

https://royalsocietypublishing.org/doi/pdf/10.1098/rsif.2016.0459

¿Are the Venusian sulphuric acid clouds the by product of long dead anoxogenic photosynthetic organisms?

Posted by Andrew Planet on May 4, 2020 at 2:51pm 2 Comments

I just read the piece at the link below entitled "Study: Life might survive, and thrive, in a hydrogen world."

I'd been thinking on similar lines recently, on different atmospheres with early life, but I was considering anoxogenic bacteria whose byproduct is sulfur instead of molecular oxygen. ¿Had life evolved on Venus could its sulfuric clouds be the signature byproduct of such life with no branches ever evolving to produce the equivalent of Earth's Great…

Continue

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Ask your questions here!

Started by Gina Riggio in SAGANet Discussions. Last reply by Chirag Parmar on Sunday. 125 Replies

If you are trying to ask a question live during Ask an Astrobiologist, please do so in the main chatroom at the bottom of the screen! You can also ask on twitter…Continue

Inhabitation on mars, with plants or without?

Started by Chirag Parmar in The Cutting-Edge of Astrobiology on Sunday. 0 Replies

hello there, Chirag Parmar this side!i am a biotechnology student and currently on research of plants on other planets! The main issue is the gravity of the planet! If we take mars as an example, the…Continue

Tags: #plantsonplanets, #mars, #plants

Have we been looking in the wrong time-frame? Requesting feedback on a recent paper.

Started by Christopher J Reiss in The Cutting-Edge of Astrobiology. Last reply by Greg Bowen Jun 30. 5 Replies

Let me first say Hi to everyone as a new member here!   I hope you are all safe, sound, and not too stir-crazy during this Pandemic.I recently stumbled upon a notion for SETI which seems so simple I…Continue

Interactive Online Astrobiology for 10-12 yr olds

Started by Julia Brodsky in Education and Public Outreach Mar 9. 0 Replies

If your 10-12 yr old child is interested in space science, I would like to invite them to our courses. I am a former science teacher,  mom of three, and a former NASA astronaut instructor. I also…Continue

Tags: school, education, middle, astrobiology, STEM

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