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NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

nasa.gov

191–200 of 307 posts

Re: NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

#191

Earlier quoted context omitted.

> It's jarring to think that if intelligent life were on Kepler 452-b and observing Earth, we're so far away that they would be seeing our "civilizations" in 615 AD: shrinking global population as the old Roman and Byzantine empires are overrun by barbarian hordes and Arab conquest, with some pockets of human progress in China. Is there something uncivilized about the Arab conquest of Byzantine lands? Had the Kepler…

Not a dig at anyone, especially not the Arabs who basically preserved philosophy and mathematics while Europe entered the Dark Ages. My point was simply that Kepler 452b-ians observing Earth would be seeing lots of war and destruction even though we're currently peacefully collaborating among mankind to discover and explore planets.

> My point was simply that Kepler 452b-ians observing Earth would be seeing lots of war and destruction even though we're currently peacefully collaborating among mankind to discover and explore planets.

There's a quite a bit more human energy going into war and destruction right now than into "peacefully collaborating among mankind to discover and explore planets."

Re: NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

#192

Earlier quoted context omitted.

But they did seed the planet, but the stargate got buried and we forgot all about them, until just a few years ago when ... Oh wait, sorry !

cue aliens impersonating Egyptian gods and enslaving the human race until being killed off by Kurt Russell and James Spader

Nah, it was Amanda Tapping and MacGyver that did all the hard work.

Re: NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

#193
post #179
post #150

Earlier quoted context omitted.

It is more proper to refer to them as Muslims, not Arabs. The whole point of Islam was to unite everyone under the same ideology. That's why it's called the Islamic civilization. Source: I'm both an Arab and a Muslim.

Was anybody but Arabs involved in the conquest of the early 7th century? Ie I'm sure other people took on Islam afterwards but he was talking about a specific point in history. We don't call the Spanish conquest of the Americas a Christian one even though they were Christians who ultimately converted everybody to Christianity.

Quite a few of the Prophet's companions were not Arabs, but yes the majority were. Nonetheless, it is more correct to identify as a Muslim before an Arab.

What irritates me greatly is when historians refer to the Muslim scientists of the Islamic Golden Age as "Arabs", when most of them were not Arabs at all. It's such a simpleminded and sweeping generalisation that clearly shows the thoroughness of the so-called orientalists.

Re: NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

#194

The 385 day year is mentioned. What about hours in a day? Do we know that?

Wouldn't be able to tell from the data. The yearly cycle produces a partial eclipse of the parent star. A day comes from the planet spinning on its axis and there isn't an actual image of the planet that we could analyse for varying brightness.

Re: NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

#195

Earlier quoted context omitted.

Maybe we are them. We used to live there, and conditions reached a point when we had to leave, and we came to present Earth. Haha.

Plausible, but what would be explanations for sending ourselves back to the stone age instead of carry advanced knowledge along?

Maybe they tried and failed? Maybe they arrived on a sterile Earth 3.6 billion years ago with supplies and huge tomes of knowledge, promptly died off within a couple hundred years of arrival, tectonic movement subsumed their landing ship and all other physical records of their existence here and we're all just descendants of their gut flora?

Re: NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

#196

I had a bigger, older cousin when I was a kid. He was awesome. He showed me his Playboys and taught me how to shoot. On a serious note, I'm looking forward to the discovery of a smaller cousin. That seems to me to be more promising for life: Stuff in water oceans won't sink as readily, so will be able to absorb more sunlight. Avian species will find life easier going (predicated on a suitably dense atmosphere). Any a…

Buoyancy is actually increased under high G, as the recent SpaceX failure illustrated.

Re: NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

#197
post #77

At 2 billion years older than Earth, I can't begin to imagine what kinds of things could possibly be living on this planet. Given, of course, that it's got the right ingredients for life to arise. What if it's suffered huge extinctions recently? What if there's a domineering species out to conquer the planet just like humans? What if there's a society there more sophisticated than us? It's a very exciting discovery.

If there was an intelligent life form, like humans, it would have expanded into the cosmos and colonized the entire galaxy within only a million years of developing technology. Since we don't see traces of them everywhere, we must presume they don't exist.

Based on what evidence? I would posit that it there was an intelligent life-form, it would have descended into war and eventually extinction. Self-interest isn't exclusive to Earth.

Edit: I've said that self-interest isn't exclusive to Earth, without providing evidence and I don't have any; I should have said that self-interest isn't exclusive to humans, the simplest forms of life (bacteria, as an example) make war also.

Re: NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

#198

Earlier quoted context omitted.

It seems like UDP is probably a better protocol for this use case.

I've got a really good joke about UDP, but you might not get it.

ROFLMAO I got it, I got it... so I think I'm TCP? :P

Re: NASA’s Kepler Mission Discovers Bigger, Older Cousin to Earth

#200
post #158

What is the statistical probability that a star will have a planetary disk that Kepler can view edge on and has planets that will occult the star?

Less than 1%. For every star Kepler has detected a planet around, there's a hundred more stars in its field of view with planets it can't see.
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