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A Thought on White Dwarfs and Earth's Evolution

Eagle's Talon's
#1 - 2017-02-15 01:27:43 UTC
Aye sire. I'm working on it....
Finding another habitable Earth like planet.
I think the search pattern for a habitable planet should begin with suns that are close to Earth, maybe within 100 LY, that would be able to receive the elements from a sun such as hydrogen, oxygen and carbon. One search pattern would begin with all of the White Dwarfs within 100 LY of Earth.Their patterns of orbit would be rewound in time to see how close they came to the Earth. If any of the White Dwarfs came close to Earth or to our Sun there could have been a transfer of mass from our Sun to the White Dwarf that did not cause an explosion but allowed venting of the White Dwarf to release its carbon, oxygen and hydrogen rich atmosphere unto the Earth.
A crystallized core of the White Dwarf passing close to our sun could have possibly have shattered sending the hydrogen,oxygen and carbon crystals to a nearby rocky planet to seed the planet with life.
The Oort Cloud that surrounds our solar system is comprised of hydrogen and oxygen which is obvious because of the large number of icy comets.
Perhaps a White Dwarf accompanied our Sun in it's past and when the core of the White Dwarf started to crystallize, sublimation of the White Dwarf took place that cause pieces of the White Dwarf to break free of the White Dwarf that then impacted the Earth leaving behind water, hydrogen and trace amounts of carbon that evolve into life.
The White Dwarf Shards that did not impact the Earth then raced spacewards collecting dust until they settled into orbit around our Sun.
How else would so much ice chunk mass be in the Oort Cloud unless a White Dwarf with comparable mass had been present in our Soloar System at one time.
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Nana Skalski
Taisaanat Kotei
#2 - 2017-02-15 10:35:52 UTC  |  Edited by: Nana Skalski
Evolution of planet can be ridden with catastrophes. Some of those can completely wipe out any life present on them. Some catastrophes can cause planet to switch into a life bearing world mode. You can see that Venus is really close to Earth, but somewhat different happenings in that planet's life have caused it to be extremely bad for life to come up on it. Earth have a moon for example, and that moon is what remains from the celestial bodies that colided, proto-earth and some other object. Amount of water on earth is not impressive, asteroids could have bringed majority of this water to earth. Maybe a large part of what is Earth life bearing ability is caused by that cosmic catastrophe. A bombardment, when even Moon was formed.

All those happenings are really early in the formation of a system. It stabilizes in longer run. If we have around us the systems that formed around the same time earth and solar system formed, we will come to a stabilized environment. Awaiting such cosmic catastrophes that could change planet from barren wasteland to a life bearing world, would be like awaiting too much from the mother nature. Waiting for stranded white dwarf or a stranded, big celestial body would be like really cosmic scale lottery, and we dont have so much time I think, to play it.

We could always dwell in stations and on ships, like in EVE.