Could Mars And Venus Go Through Ice Ages In The Future?
349Paleoclimatic hypotheses suggest that approximately 750 million years ago, the Earth may have gone through a global glaciation known as the “Cryogenic Period,” in which all of the Earth's continents and oceans were covered by a thick layer of ice and reached average temperatures of -58°F (-50°C).
These temperatures are the lowest that have been on Earth in all of history and the factors that caused them could be present not only on our planet but also on the planets closest to Earth.
Considering the similarities that exist between Earth, Venus, and Mars, would it be possible that in the future these two planets will suffer ice ages like those our planet suffered in the past?
Can the conditions be met for the two planets closest to Earth to suffer global ice ages like the one the Earth suffered millions of years ago?
Join us on this journey of knowledge to find out!
Snowball earth
Snowball Earth is the hypothesis that suggests that the Earth experienced a series of global ice ages that covered most of the planet in ice.
The defenders of this hypothesis maintain that it is not only the most extensive glaciation ever experienced by the Earth but also the longest-lasting. In addition, its impact on the biosphere would have been such that life was close to completely disappearing from the planet.
Our planetary neighbors
Mars and Venus are the two closest planets to Earth; although these two worlds have many similarities with our planet, they also have enormous differences, some of which are:
Size: Earth has a diameter of 7,917.5 miles (12,742 kilometers), Mars has a diameter of 4,212.3 miles (6,779 kilometers), and Venus has a diameter of 7,521.8 miles (12,104 kilometers).
Snowball planets?
Although Venus and Mars are very opposite planets, under exceptional circumstances, these two planets could become snowball worlds, as happened to Earth 750 million years ago.
But how could that happen?
Mars Snowball
Let's start with the coldest planet of the two, Mars, which has a fragile atmosphere that is 100 times less dense than Earth's. However, it has gases such as water and nitrogen, which, under ideal conditions, could contribute to the decrease in its global temperatures.
Snowball Venus
In the case of Venus, something simpler could happen. Venus is the only planet that rotates in the opposite direction to all the others. This means that while the other seven planets, including Earth, rotate in one direction, Venus rotates in the opposite direction. Plus, Venus has the longest day of all.
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Credits: Ron Miller, Mark A. Garlick / MarkGarlick.com ,Elon Musk/SpaceX/ Flickr
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00:00 Intro
1:10 Snowball Earth
2:50 Our planetary neighbours
3:30 Gravity
4:10 magnetic field
4:45 Temperatures
6:16 Snowball planets?
6:48 mars snowball
9:16 snowball venus
13:30 The crazy prediction of a new Ice Age Coming: Milankovitch Cyclesi
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