[meteorite-list] Panspermia, Reverse Panspermia & Life In Space

[Meteorites USA]

Nice! ;) LOL





Greg Hupe wrote:

> Yep!

> Here's proof:

> http://foreverloyal.files.wordpress.com/2008/09/marvin_the_martian.jpg

>

>

> ----- Original Message ----- From: "Meteorites USA" 

> <eric at meteoritesusa.com>

> To: <meteorite-list at meteoritecentral.com>

> Sent: Friday, June 05, 2009 1:17 AM

> Subject: [meteorite-list] Panspermia, Reverse Panspermia & Life In Space

>

>

>> Hi list,

>>

>> I know I've posted a lot today, but bear with me. I've been doing 

>> some research since I found the article on the meteorite that Mars 

>> rover Opportunity found on Mars earlier and it got me to thinking 

>> about how it got there and where it was from. This led to more 

>> research and more questions...

>>

>> We know meteorites come from other celestial bodies, whether they be 

>> from asteroids, comets, or planets. All types of meteorites have been 

>> found on Earth but... What about the reverse?

>>

>> We know it happens because we have lunar and martian meteorites here 

>> on Earth. Over the last few months I've been reading about panspermia 

>> and artificial planet seeding too which are very interesting topics.

>>

>> You can imagine the force a huge asteroid would exert on the crust of 

>> our planet during an impact event and would eject quite a bit of 

>> material into space.

>>

>> This all brings up some very interesting questions... If Panspermia 

>> is a theory, then wouldn't reverse panspermia (life originating from 

>> Earth) suggest it's very plausible and not just possible to seed life 

>> on other planets from another by impact, travel and time?

>>

>> Having said that let me illustrate a scenario. A huge asteroid 

>> impacted Earth millions of years ago throwing millions of tons of 

>> debris into our atmosphere. Some of this debris will escape Earth's 

>> gravity and make it into space. How much is arguable. Wouldn't it be 

>> possible for some microbe or bacteria to be preserved deep inside a 

>> clump of Earth, and flash frozen in the iciness of space?

>>

>> How many billions of bacteria, and microbes, or even insects have 

>> been launched into space over the hundreds or even thousands of large 

>> impacts the Earth has been subject to since the beginning of time? 

>> Look at the jungles of South America and Africa and other tropical 

>> regions. The density of life in any given square foot is higher than 

>> on any other place on the planet. If a large Asteroid impacted this 

>> region you can imagine the sheer numbers of "life forms" that escaped 

>> Earth.

>>

>> Survivability is the issue. If the microbe or "life form" is deep 

>> enough within the stone, rock, or clump of earth, wouldn't it be 

>> preserved. wouldn't this Earth rock act as a capsule to transport 

>> life outside our own solar system? Current science tells us that the 

>> temperature of the interior of a meteoroid entering our atmosphere is 

>> relatively low. In fact it is usually ambient to space. In other 

>> words cold! Frozen even. This is sufficient to allow a microbial life 

>> form to survive isn't it? Look up Water Bear on Google...

>>

>> http://www.astrobio.net/news/modules.php?op=modload&name=News&file=article&sid=2905&mode=thread&order=0&thold=0 

>>

>>

>> http://www.space.com/scienceastronomy/081016-am-tardigrade-toughness.html 

>>

>>

>> Wouldn't this mean that there could be space rocks out there with 

>> "life" within them right now? Life that came from Earth? And if 

>> there's life out there that comes from Earth, it wouldn't take a 

>> rocket scientist to guess that there might be other material out 

>> there that might just have come from another habitable solar system. 

>> I know these are big jumps and guesses, but isn't it possible 

>> considering the sheer length of time, the age of our planet, and the 

>> number of impact events over this time period on other celestial 

>> bodies and planets?

>>

>> I mean we are talking about billions of years here...

>>

>> Your thoughts?

>>

>> -- 

>> Regards,

>> Eric Wichman

>> Meteorites USA

>> http://www.meteoritesusa.com

>> 904-236-5394

>>

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