Posted on 05/26/2016 12:49:12 PM PDT by BenLurkin
Had you searched the sky with a telescope just a few hundred thousand years ago, you would have struggled to find a red planet. Instead, you would have seen a gleaming-white ice ball where Mars should be. A team of astronomers led by Isaac Smith, an astrophysicist at the Southwest Research Institute in Boulder, Colorado, has collected the first concrete evidence that Mars has just exited an extreme ice age, one so intense it would have put Earth's recent frosty foray to shame.
Using cameras and a radar-pinging device on board NASA's Mars Reconnaissance Orbiter, Smith's team deduced this history by dating the miles-deep layers of snow and ice packed onto the Red Planet's northern pole. They found that only a mere 370,000 years ago, "Mars would have actually looked more white than red," says Smith. The Mars research is outlined today in the journal Science.
Peering Into Ice
When scientists wish to peer back into the history of Earth's changing climate, they can dig down into our polar caps and extract long tubular ice cores. As snow and ice slowly accumulates on our poles, subtle snapshots of Earth's past climate get buried. This information is locked into gas bubbles or sediments in the ice; dissecting sections of the ice can reveal a detailed history of our planet.
(Excerpt) Read more at popularmechanics.com ...
Hg looks WAY too big.
Sheesh, don’t tell the multi-culti crowd - they already have enough to complain about.
Conspiracy theories are entertaining. But if Mitchell didn’t see anything, I’ll go with his pint of view. He was the man on the spot.
Is there enough water on Mars to cover the whole planet to make that gleaming ice ball?
And one where the asteroid belt is located.
Don't read further if you are fond of sleeping:
What really sinks to the middle is the heavy metals, most notably uranium.
Yes, the core of our planet is a nuclear reactor.
And more uranium is sinking towards the core over time.
When enough arrives the core goes hypercritical and explodes.
Just like what happened to the planet between Mars and Jupiter.
Sweet dreams...
Disclaimer: Opinions posted on Free Republic are those of the individual posters and do not necessarily represent the opinion of Free Republic or its management. All materials posted herein are protected by copyright law and the exemption for fair use of copyrighted works.