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 Post subject: First Extrasolar Visitor Confirmed (Oumuamua)
PostPosted: Thu Nov 23, 2017 2:54 am 
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The very unusual asteroid which came from another solar system long ago, and passed through ours recently.

The first confirmed to be from another elsewhere.

8-)




The suspected shape makes me think it must be a sliver left over from a huge collision in the distant past, which also ejected it from the original system.

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 Post subject: Re: First Extrasolar Visitor Confirmed (Oumuamua)
PostPosted: Thu Nov 23, 2017 11:02 am 
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The shape makes me think its a derelict ship. So if your cat goes missing... dont go looking.

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 Post subject: Re: First Extrasolar Visitor Confirmed (Oumuamua)
PostPosted: Thu Nov 23, 2017 11:30 am 
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mdiehl wrote:
The shape makes me think its a derelict ship. So if your cat goes missing... dont go looking.


An alien spaceship disguised as a cigar shaped rock. ;-)

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 Post subject: Re: First Extrasolar Visitor Confirmed (Oumuamua)
PostPosted: Thu Nov 23, 2017 11:32 am 
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Imagine that you are an astronomer, perhaps one who specializes in interstellar objects.

You've been waiting for years, perhaps even decades for such an encounter.
Then an interstellar object is finally sighted....and then its gone in 60 days. :lol:

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 Post subject: Re: First Extrasolar Visitor Confirmed (Oumuamua)
PostPosted: Thu Nov 23, 2017 2:24 pm 
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Yep, this incident right here shows how fucking pathetic our degree of space exploration really is.

(1) we have effectively ZERO capacity to intercept it before it is long gone. This is not because we lack the technology, we are simply UNPREPARED for this sort of opportunity. Quite possibly the biggest missed opportunity in human natural history: a chance to make upclose observations, perhaps even to "capture" an object from extremely distant interstellar space.

This makes me more sad than all the deaths in every war ever on Earth because the benefits of studying that rock extensively might well catapult humanity into a new era of science . . . of course, it might not. It might be a completely unremarkable chunk of rock, but we will never know and we "had" a chance to know but we were not prepared to do so.

(2) Our vaunted remote-sensing network missed this thing for years, decades as far as I can tell, and it is only now that it is on its way out that it was caught. Given the following point, this failing in our species state of preparedness might even be more disappointing and unsettling than the preceding.

(3) A rock could easily destroy human civilization, if not the entire species. The preceding two points show that, we are not even prepared to begin to respond to such a threat, much less to actually mitigate such a threat.

Pathetic humanity, truly pathetic.

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 Post subject: Re: First Extrasolar Visitor Confirmed (Oumuamua)
PostPosted: Thu Nov 23, 2017 2:33 pm 
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Anthropoid wrote:
Yep, this incident right here shows how fucking pathetic our degree of space exploration really is.

(1) we have effectively ZERO capacity to intercept it before it is long gone. This is not because we lack the technology, we are simply UNPREPARED for this sort of opportunity. Quite possibly the biggest missed opportunity in human natural history: a chance to make upclose observations, perhaps even to "capture" an object from extremely distant interstellar space.

This makes me more sad than all the deaths in every war ever on Earth because the benefits of studying that rock extensively might well catapult humanity into a new era of science . . . of course, it might not. It might be a completely unremarkable chunk of rock, but we will never know and we "had" a chance to know but we were not prepared to do so.

(2) Our vaunted remote-sensing network missed this thing for years, decades as far as I can tell, and it is only now that it is on its way out that it was caught. Given the following point, this failing in our species state of preparedness might even be more disappointing and unsettling than the preceding.

(3) A rock could easily destroy human civilization, if not the entire species. The preceding two points show that, we are not even prepared to begin to respond to such a threat, much less to actually mitigate such a threat.

Pathetic humanity, truly pathetic.


Meanwhile Lord Musk spins fables about colonizing fucking Mars . . . we don't even have a fucking proper permanent, semi-autonomous space station in orbit you goddamn charlatan! :x

I should add this to the triggered thread . . . dumb space visionaries who waste our time, passions and money on silly if not self-serving schemes and bureaucratic national space industries who are content to twiddle their thumbs with scout missions long past the point where we should have been engaging in off-Earth infrastructure development.

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 Post subject: Re: First Extrasolar Visitor Confirmed (Oumuamua)
PostPosted: Thu Nov 23, 2017 3:41 pm 
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Space is really hard, you know.

If you don't mind the phrasing, space hates life, it hates us and it does everything and anything it can to kill us in horrible ways.

We have all kinds of shit flying about - from tiny droplets of antimatter to all manner of particles flying at relativistic near light speeds and that's when the "space weather" is good and Sun isn't ejecting lethal amounts of radiation our way and there's no supernova or black hole explosion killing everything within 1,000 lightyear radius.


Earth is a good enough shelter, it allowed our species to invent space travel and advanced physics. But while being a good shelter it is also a trap, literally like living in a cave at the bottom of a well. Trying to claw one's way out is not just hard, it currently keeps us from bringing any of our tools and weapons with us and frankly we don't even know what's out there - we don't even know how exactly to go about keeping a crew safe.


On positive news, NASA's latest ion engine was just announced having achieved new records in power levels. It was quoted that with the engine we could travel to Mars within a few months instead of a year.

I'm still looking forward to putting a big nuclear reactor on a space ship and topping it off with a huge particle accelerator like those on Earth. Costly? Immensely. But you don't need to worry about how the crew survives for years in space if you can proceed to drop off the explorers on Mars in 2 weeks and be back within Earth's magnetic field in 4.

Eventually we can completely disregard stuff like Hohmann Transfers etc., just point the nose at your target and zoom in.



It doesn't help that everyone is bitching about there even being a space program while insisting they're victims of whatever.

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 Post subject: Re: First Extrasolar Visitor Confirmed (Oumuamua)
PostPosted: Thu Nov 23, 2017 4:35 pm 
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We put human beings on another planet forty-eight years ago.

There literally is no excuse for the stupidly backward state of our species advance into space. The explanations all revolve around our species foibles, not around the technical challenges or lack of benefits from undertaking the risks.


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 Post subject: Re: First Extrasolar Visitor Confirmed (Oumuamua)
PostPosted: Thu Nov 23, 2017 4:50 pm 
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Anthropoid wrote:
We put human beings on another planet forty-eight years ago.

There literally is no excuse for the stupidly backward state of our species advance into space. The explanations all revolve around our species foibles, not around the technical challenges or lack of benefits from undertaking the risks.





Some say that we never did set foot on the moon:

HOW I FAKED THE APOLLO MOON LANDING

:lol:

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 Post subject: Re: First Extrasolar Visitor Confirmed (Oumuamua)
PostPosted: Thu Nov 23, 2017 4:56 pm 
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[s]I'm fairly certain, if you have a sufficient telescope you can SEE the wreckage of the landers up there . . . so yeah[/s] :lol:

Ah hold on . . . I stand corrected
http://www.skyandtelescope.com/observin ... ing-sites/

Quote:
As you're well aware, no telescope on Earth can see the leftover descent stages of the Apollo Lunar Modules or anything else Apollo-related. Not even the Hubble Space Telescope can discern evidence of the Apollo landings. The laws of optics define its limits.

Hubble's 94.5-inch mirror has a resolution of 0.024″ in ultraviolet light, which translates to 141 feet (43 meters) at the Moon's distance. In visible light, it's 0.05″, or closer to 300 feet. Given that the largest piece of equipment left on the Moon after each mission was the 17.9-foot-high by 14-foot-wide Lunar Module, you can see the problem.


Nonetheless
Quote:
Did I say problem? No problem for NASA's Lunar Reconnaissance Orbiter (LRO), which can dip as low as 31 miles (50 km) from the lunar surface, close enough to image each landing site in remarkable detail.


So unless the LRO is a hoax . . . yeah :lol:

https://www.flickr.com/photos/47833278@N02/17229073722/

Zoom in on that pic: you can literally see the foot and wheel tracks in the lunar soil . . .

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