I wrote an essay on these questions here, because so many people cling to the Battlestar Galactica plot of 1978.

You can find it at: [ideas.4brad.com]

Now, as to the question of Battlestar, it is not at all clear that the new series is a Panspermia story. Moore, the producer was asked this question after season 1, and he said it would not be such a story in his blog, but he was going to try to write a story to merge the ideas of the old show and the scientific non-reality of recent panspermia.

There are two possible options now, since the "Earth" they found is not our Earth (since I am pretty sure our real planet was not named by Cylon colonists.)

1) This "Earth" is given that name, to match the old show's quest, but is not at all our Earth in any meaningful way, not the same culture, no fossils in the ground, etc.

2) There is a real Earth out there, as shown at the end of season 3. One growing opinion is that we'll see it, since the stars in the scene of the Cylon civil war are exactly the Earth stars, and aside from a few related scenes, those stars are not seen anywhere else, including on "Earth" the 13th colony.

But we'll see. In the meantime check out the essay.

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In the not too distant future, of course, humans and robots will be united in struggle against cheesy movies -- the worst they can find.

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"Human" Life on Earth is the second Evolution of the species of the "Ancients".

Millions of years ago the Alterans escaped their Galaxy and came to the Milky Way. The landed on Dakara and built the device on the planet to "create" life across the milky way. They didn't necessarily create Humans but Eco-Systems required for Alteran civilization. This might have actually been the spark that caused the second evolution of their race AND of other races across the Milky Way.

Eventually the Ori found them and infected them. The survivors Ascended or fled to Pegasus where they again seeded life.

Millions of years later some Alterans return to Earth and meet the second evolution of their race. They settle and mix with them, being genetically compatible they end up accelerating their evolution by introducing certain advanced genes that may have taken millions of years to evolve on their own.

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