John Jaksich's Discussions (29)

Discussions Replied To (27) Replies Latest Activity

Expert

"On further analysis, another issue is the rampant expansion of mega-businesses and h…"

John Jaksich replied Feb 27, 2018 to Human survival

23 May 5, 2018
Reply by Diksha Pasi

Expert

"In my opinion: abuse of technology --which amounts to ignorance to long forgotten le…"

John Jaksich replied Jan 29, 2014 to Human survival

23 May 5, 2018
Reply by Diksha Pasi

Expert

"While agreeing with the first two comments--I will add: a strong sense of "empowerme…"

John Jaksich replied Oct 27, 2013 to What personality traits should space-explorers have?

5 Oct 31, 2013
Reply by Zerin Firoz

"I second that response---thanks for the share--"

John Jaksich replied Oct 18, 2013 to I wonder if everyone is aware of the Carl Sagan Google Doodle Campaign?

2 Oct 18, 2013
Reply by John Jaksich

Expert

"I enjoyed: 2010  The Year We Made Contact--- which is Clarke's follow up to 2001   I…"

John Jaksich replied Oct 16, 2013 to What is your favorite space-themed movie?

12 Oct 18, 2013
Reply by Heather Bethel

Expert

"I second that notion--she was at (SETI institute) SETI.org in the past year--as well…"

John Jaksich replied Oct 1, 2013 to Who would you like to see on "Talk to an Astrobiologist"?

4 Oct 2, 2013
Reply by Andrew Planet

Expert

"I enjoyed the novel Contact--it may seem somewhat glib to say so, but I thought the …"

John Jaksich replied Sep 2, 2013 to What is your favorite space-themed novel?

2 Sep 2, 2013
Reply by Heather Bethel

Expert

"very hard question--it is sometimes hard enough to speak with a second or third cous…"

John Jaksich replied Aug 27, 2013 to If you had to describe Earth to an Alien, what would you say?

7 Aug 28, 2013
Reply by Heather Bethel

"sounds like a very imaginative project - great idea!"

John Jaksich replied Aug 27, 2013 to *ALIEN DESIGNING GROUP*

45 Oct 22, 2013
Reply by Sanjoy Som

Expert

"It is most likely an individualized notion of taking a test--just anxiety. In my exp…"

John Jaksich replied Aug 26, 2013 to Take the short Astrobiology Quiz! What was the hardest question?

20 Aug 26, 2013
Reply by John Jaksich

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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…

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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…

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Ask your questions here!

Started by Gina Riggio in SAGANet Discussions. Last reply by Pritha Jaipal yesterday. 127 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. Last reply by Chirag Parmar on Monday. 2 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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