Unsealed: Alien Files – Life on Mars episode 16
Unsealed Alien Files – Life on Mars episode 16

Unsealed: Alien Files – Life on Mars episode 16

Unsealed: Alien Files – Life on Mars episode 16: A look at the possibility that life began on Mars and travelled to Earth. Plus, if aliens exist, what plans do they have in store for us? Experts investigate.



 


 

In April 2011 the FBI declassified decades’ worth of secret government documents that contain thousands of reports of UFO sightings and alien activity. Each episode of this half-hour series tackles one alien case by investigating the previously off-limits government files. The program re-examines key evidence and follows developing leads based on newly released information.

Mass UFO sightings, personal abductions, government cover-ups, and alien news from around the world are some of the topics covered by the show’s panel of specialists, who include journalists, researchers, and radio and TV hosts. After watching an episode of `Unsealed: Alien Files’, you may begin to believe that `we are not alone‘.

 

Unsealed: Alien Files – Life on Mars episode 16

 

When searching for life, most astrobiologists agree that water is key. All forms of terrestrial life require water, and while it is possible that life could evolve without the precious liquid, it is easier to search for conditions that are known to be optimal, rather than conditions we suppose could be.”

This raises a problem on Mars. The planet today is dry and barren, with most of its water locked up in the polar ice caps. The planet’s thin atmosphere allows radiation from the sun to irradiate the surface of the planet, adding to the environment’s challenges. Evidence for water first showed up in 2000, when images from NASA’s Mars Global Surveyor found gullies that appeared to have formed from flowing water.

But Mars wasn’t always a desolate wasteland. Scientists think that, in the past, water may have flowed across the surface in rivers and streams, and that vast oceans covered the planet. Over time, the water was lost into space, but early conditions on the wetter planet could have been right for life to evolve. One estimate suggests that an ancient ocean could have covered as much as 19 percent of the planet’s surface, compared to the 17 percent covered by Earth’s Atlantic Ocean.

 

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Unsealed: Alien Files – Life on Mars episode 16
Title
Unsealed: Alien Files – Life on Mars episode 16
Description

Unsealed: Alien Files – Life on Mars episode 16: A look at the possibility that life began on Mars and travelled to Earth.

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