A Quote by Seth Shostak
Diminutive worlds are more likely to be rocky, and lapped by oceans and atmospheres. In the vernacular of 'Star Trek,' these would be M-class planets: life-friendly oases where biology could begin and bumpy-faced Klingons might exist.
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Even if the Moon didn't exist - even if it had been vaporized billions of years ago by cantankerous Klingons - there would still be (somewhat lower) tides raised by the Sun. For creatures dependent on the oceans' ebb and flow, life could go on.
If you do believe there's going to be a world like The Jetsons,' where everybody jumps in their rocket - very Star Wars' or Star Trek' - and people are exploring new planets and new worlds, then we've got to get the first one right.
A major puzzle for which nobody has an answer is this: is there some size at which the planets change their nature from water-rich planets like Neptune, to rocky planets like the Earth? We have found two planets that are the size of the Earth in radius, but they are very close to their host star, so water on the surface would evaporate away.
Outside intelligences, exploring the Solar System with true impartiality, would be quite likely to enter the Sun in their records thus: Star X, spectral class G0, 4 planets plus debris.
Venus and Mars are our next of kin: they are the two most Earth-like planets that we know about. They're the only two other very Earth-like planets in our solar system, meaning they orbit close to the sun; they have rocky surfaces and thin atmospheres.
I grew up watching 'Star Trek.' I love 'Star Trek.' 'Star Trek' made me want to see alien creatures, creatures from a far-distant world. But basically, I figured out that I could find those alien creatures right on Earth. And what I do is I study insects.
'Star Trek' never grabbed me. Every time I hear about Klingons, I think of those little lint balls that stick to your clothes in the dryer.
Maybe the search for life shouldn't restrict attention to planets like Earth. Science fiction writers have other ideas: balloon-like creatures floating in the dense atmospheres of planets such as Jupiter, swarms of intelligent insects, nano-scale robots and more.
What if life is not carbon-based? Can life exist as a gas or a plasma? Could planets or stars in some sense be alive? What about an interstellar cloud? Could life exist on such a small or large scale, or move so fast or so slowly that we wouldn't recognize it? Could you have an intelligent virus?
Earlier generations of stars in the galaxy could well have had planets. But really, there was only hydrogen and helium to work with, so they'd all be gas giants and not small, rocky planets.
You can't really prepare yourself for being greeted by a dozen Klingons drinking blood wine. So, it can be a bit off-putting coming in from the outside. But it's great fun and there are no fans like Star Trek fans.
Once you've got the makings of a star, gravity draws leftover gas and dust into a giant swirling disk. The dust continues to stick together, clumping into rocky asteroids, which eventually become orbiting rocky planets. And voila: a solar system!
The fact that this chain of life existed [at volcanic vents on the seafloor] in the black cold of the deep sea and was utterly independent of sunlight - previously thought to be the font of all Earth's life - has startling ramifications. If life could flourish there, nurtured by a complex chemical process based on geothermal heat, then life could exist under similar conditions on planets far removed from the nurturing light of our parent star, the Sun.
It really was not that difficult a process, because I was playing [Data from Star Trek] something that doesn't exist. So it was really based on... Imagination was the key element in that, and whatever I could think of, I could do, because there was no precedent for it. It wasn't like someone was going to say, "Well, an android would never do that." They didn't know!
The question always arose from both fans and friends was, 'Have you ever done 'Star Trek,' and if not, would you want to?' And the answer was always, 'No, I haven't, and yes, I would love to!' So now, at the age of 57, I can finally say, 'I'm in the new Star Trek!' And I'm so excited about it!
Without Leonard Nimoy, there would have been no 'Star Trek' phenomenon. And without 'Star Trek'... well, that's a parallel universe most of us probably wouldn't want to visit.
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