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Field geology at Mars' equator points to ancient megaflood
Posted on 11/24/20 at 6:39 pm
Posted on 11/24/20 at 6:39 pm
Date:
November 20, 2020
Source:
Cornell University
Summary:
Floods of unimaginable magnitude once washed through Gale Crater on Mars' equator around 4 billion years ago -- a finding that hints at the possibility that life may have existed there, according to data collected by NASA's Curiosity rover.
ScienceDaily
4
Posted on 11/25/20 at 7:17 am to Trumansfangs
Which makes me wonder if our sun was hotter billions of years ago or if the orbit of Mars changed making it further from the sun.
Posted on 11/25/20 at 9:28 am to Trumansfangs
NOAH'S ARK WAS A SPACESHIP AND HUMAN LIFE STARTED ON MARS, MAN!
Posted on 11/25/20 at 1:54 pm to GurleyGirl
quote:
Which makes me wonder if our sun was hotter billions of years ago or if the orbit of Mars changed making it further from the sun.
Excellent observation friend !
Posted on 11/26/20 at 1:10 pm to GurleyGirl
quote:
Which makes me wonder if our sun was hotter billions of years ago or if the orbit of Mars changed making it further from the sun.
That is a heck of an idea. You know the Earth was a lot like Venus (which is a molten hell) 4 billion years ago.
Posted on 11/26/20 at 1:25 pm to GurleyGirl
quote:
Which makes me wonder if our sun was hotter billions of years ago or if the orbit of Mars changed making it further from the sun.
Mars doesn't have much of a magnetic field, so any atmosphere it would've formed long ago, when the Earth first formed it's own, has now been ablated away by the solar wind.
This post was edited on 11/29/20 at 12:10 am
Posted on 11/27/20 at 10:56 am to Arksulli
quote:
You know the Earth was a lot like Venus (which is a molten hell) 4 billion years ago.
Venus is fascinating to me. I wonder if eventually it’ll evolve to be habitable. It’s 850 degree temperature is only due to its C02 atmosphere, not its proximity to the sun.
I wonder if eventually we could genetically engineer some plants that could withstand its harsh conditions and plant them on Venus via equipment where they’ll slowly take C02 out of the atmosphere. Do that and conditions could become livable. There are H20 particles on Venus but they get turned to steam immediately when erupted out of volcanoes. That suggests to me a possibility of underground aquifers that maybe could be tapped into? I don’t know, I’m just speculating
Posted on 11/28/20 at 4:03 pm to deltaland
We would have to find a way to keep liquid water from evaporating on the surface. As long as surface temps are 800 degrees that won't be possible.
Posted on 11/28/20 at 10:33 pm to Trumansfangs
I doubt that.
Posted on 11/29/20 at 4:23 am to deltaland
quote:
Venus is fascinating to me. I wonder if eventually it’ll evolve to be habitable. It’s 850 degree temperature is only due to its C02 atmosphere, not its proximity to the sun.
Yep. It’s a great example of what a runaway greenhouse effect can have on a planets climate. Slowly adding these gasses proving an increase in temperature works on micro scales in experiments here in labs, and works on a macro scale like Venus.
And I have a lot of confidence in the study of plants like GMO seaweeds and such to take them out of the atmosphere. They’ve made a lot of progress.
This post was edited on 11/29/20 at 4:25 am
Posted on 12/2/20 at 10:43 pm to GurleyGirl
quote:
Which makes me wonder if our sun was hotter billions of years ago or if the orbit of Mars changed making it further from the sun
The sun is becoming hotter as it ages, so it was cooler during Mars’ youth. Also, it’s unlikely that Mars’ orbit has changed much since the formation of the solar system. It borders the asteroid belt that Jupiter’s gravity influenced, preventing the formation of a fifth rocky planet.
This proximity to the asteroid belt makes me think that the Martian great flood was caused by a catastrophic asteroid impact when the planet had far more water than it does now. Mars has two asteroid moons. It may have had a third that spiraled into the planet, like Phobos is doing now.
Posted on 12/9/20 at 7:17 am to Trumansfangs
Has Bama claimed a "National Title" for that year yet?
Posted on 12/9/20 at 5:59 pm to GainesvilleDawg
quote:
Has Bama claimed a "National Title" for that year yet?
I'm sure I wouldn't know. Oh wait perhaps a tidal flooding reference ? Not sure.
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