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	Comments on: Oumuamua might be artificial lightsail	</title>
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		<title>
		By: wayne		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/oumuamua-might-be-artificial-lightsail/#comment-1061055</link>

		<dc:creator><![CDATA[wayne]]></dc:creator>
		<pubDate>Wed, 07 Nov 2018 23:48:03 +0000</pubDate>
		<guid isPermaLink="false">https://behindtheblack.com/?p=54626#comment-1061055</guid>

					<description><![CDATA[These people, have PhD&#039;s?
I suggest, they get real jobs.]]></description>
			<content:encoded><![CDATA[<p>These people, have PhD&#8217;s?<br />
I suggest, they get real jobs.</p>
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		<title>
		By: Ryan Lawson		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/oumuamua-might-be-artificial-lightsail/#comment-1061052</link>

		<dc:creator><![CDATA[Ryan Lawson]]></dc:creator>
		<pubDate>Wed, 07 Nov 2018 22:58:05 +0000</pubDate>
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					<description><![CDATA[Given this latest bit of data and after reading their full report myself, I suspect more that this might be an advanced form of external fuel tank jettisoned long ago. They describe one explanation being a hollow object with a shell thickness of only a few millimeters. One of the goals with fuel tanks is to minimize the mass of the tank itself as best as possible. Make an ultrathin cylinder with a 10 L to 1 W ratio, stick a variation of a Whipple shield on the front cross-section and you have an external fuel tank. Too me, I have a hard time thinking any sufficiently advanced civilization would spend much time using light sails, particularly for interstellar travel. Ships travelling between stars, if they plan to maneuver, would need large numbers of fuel tanks. In a span of time, large ships moving around for hundreds of years or thousands of years would litter space with jettisoned tanks. If their data is correct, a natural explanation for this object&#039;s behavior seriously looks far less probable than an artificial one.

To Mr. Jerry, these UFOs are not a recent phenomena. They have been interpreted differently depending on the era and culture. How do you imagine a Roman general would interpret seeing lights moving around in the sky? I am of the notion that once a civilization expands successfully into a few star systems they will eventually fill an entire galaxy unless someone else stops them. There is a huge technological and biological hump to overcome, but once you are past it you go everywhere like spores born up by a strong gust. Somewhere in our galaxy, given the span of time behind us, that must have already happened. Earth would be nothing new to them, just one of millions of worlds covered in primitive life. They probably just come here for a vacation to drown out the boredom of their technological immortality.]]></description>
			<content:encoded><![CDATA[<p>Given this latest bit of data and after reading their full report myself, I suspect more that this might be an advanced form of external fuel tank jettisoned long ago. They describe one explanation being a hollow object with a shell thickness of only a few millimeters. One of the goals with fuel tanks is to minimize the mass of the tank itself as best as possible. Make an ultrathin cylinder with a 10 L to 1 W ratio, stick a variation of a Whipple shield on the front cross-section and you have an external fuel tank. Too me, I have a hard time thinking any sufficiently advanced civilization would spend much time using light sails, particularly for interstellar travel. Ships travelling between stars, if they plan to maneuver, would need large numbers of fuel tanks. In a span of time, large ships moving around for hundreds of years or thousands of years would litter space with jettisoned tanks. If their data is correct, a natural explanation for this object&#8217;s behavior seriously looks far less probable than an artificial one.</p>
<p>To Mr. Jerry, these UFOs are not a recent phenomena. They have been interpreted differently depending on the era and culture. How do you imagine a Roman general would interpret seeing lights moving around in the sky? I am of the notion that once a civilization expands successfully into a few star systems they will eventually fill an entire galaxy unless someone else stops them. There is a huge technological and biological hump to overcome, but once you are past it you go everywhere like spores born up by a strong gust. Somewhere in our galaxy, given the span of time behind us, that must have already happened. Earth would be nothing new to them, just one of millions of worlds covered in primitive life. They probably just come here for a vacation to drown out the boredom of their technological immortality.</p>
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		<title>
		By: Cotour		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/oumuamua-might-be-artificial-lightsail/#comment-1061008</link>

		<dc:creator><![CDATA[Cotour]]></dc:creator>
		<pubDate>Tue, 06 Nov 2018 18:20:59 +0000</pubDate>
		<guid isPermaLink="false">https://behindtheblack.com/?p=54626#comment-1061008</guid>

					<description><![CDATA[&quot;May be&quot;

&quot;Could be&quot;

Is this a Richard Hoagland story? 

Could it be a giant alien flying space baked potato? Could be.

There is much more actual evidence that this  https://youtu.be/34Kjt9Os8uY  is in deed so rather than this story about this asteroid being something other than it is. And I am certainly open to the concept that there are aliens somewhere, but &quot;could be&quot; and &quot;may be&quot; do not make it for me when there are plenty of other observations right here on the planet that indicate something other than what we know or recognize as being so.]]></description>
			<content:encoded><![CDATA[<p>&#8220;May be&#8221;</p>
<p>&#8220;Could be&#8221;</p>
<p>Is this a Richard Hoagland story? </p>
<p>Could it be a giant alien flying space baked potato? Could be.</p>
<p>There is much more actual evidence that this  <a href="https://youtu.be/34Kjt9Os8uY" rel="nofollow ugc">https://youtu.be/34Kjt9Os8uY</a>  is in deed so rather than this story about this asteroid being something other than it is. And I am certainly open to the concept that there are aliens somewhere, but &#8220;could be&#8221; and &#8220;may be&#8221; do not make it for me when there are plenty of other observations right here on the planet that indicate something other than what we know or recognize as being so.</p>
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		<title>
		By: jerry		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/oumuamua-might-be-artificial-lightsail/#comment-1061006</link>

		<dc:creator><![CDATA[jerry]]></dc:creator>
		<pubDate>Tue, 06 Nov 2018 17:21:40 +0000</pubDate>
		<guid isPermaLink="false">https://behindtheblack.com/?p=54626#comment-1061006</guid>

					<description><![CDATA[The aliens are not among us. The truth is out there—and it is that we are not being visited by extraterrestrials. A flying saucer didn’t crash at Roswell, we aren’t reverse engineering alien technology at Area 51, and otherworldly tourists, anatomists or anthropologists are abducting no one from their homes.

I’ve said it and I’ve said it with certainty. Could I be wrong? Yes, and I will be the first to admit my mistake when someone brings forth credible evidence that our planet is being visited by creatures from another world. But until then, I will be a skeptic on this issue.

Carl Sagan said, “Extraordinary claims require extraordinary evidence.” Now, I may not be in the same league as Carl Sagan, but in this case I agree with him completely. Stories of strange lights in the sky, sightings of aircraft performing seemingly impossible acrobatic maneuvers before “shooting straight up,” presumably into space, or recollections of missing time after observing one of these weird aerial phenomena do not qualify as extraordinary evidence.

But what about the pictures? Since there have been cameras, there have been fuzzy pictures of these strange objects in the night sky. Most are obviously fake, some are clearly explainable, and, yes, some are truly puzzling—but a puzzling object seen from an aircraft window does not an alien spaceship make! Much simpler explanations (than alien visitors) are almost certainly waiting in the wings to be proffered. 

I don’t want to get into a debate with true believers out there who have seen something they cannot explain, or have read about an encounter that had to be with a creature from another world. Sending me pictures taken with your cell phone camera will not convince me. No, the evidence would have to be something akin to Gort standing on the National Mall for me to be convinced aliens are visiting us.

Why am I so adamant? Why would I take a position that will almost certainly cause many readers to call me “closed minded” and a veritable Luddite? Because the thought of us being visited by aliens from another planet at this time simply is so highly improbable as to be, for all practical purposes, impossible.

Let me be clear. I do believe that there may be other life in the universe. I find the thought of humanity being alone in the universe to be not only depressing, but also arrogant. Surely, if it can happen here, with us, then it can happen elsewhere also. But, almost as certainly, life is rare. Intelligent tool-using life is likely even more rare. It is incredibly unlikely that intelligent, tool using life just happens to come visit us during a brief moment in the history of our species when are beginning to explore space ourselves.

I’d better explain how I come to this conclusion.]]></description>
			<content:encoded><![CDATA[<p>The aliens are not among us. The truth is out there—and it is that we are not being visited by extraterrestrials. A flying saucer didn’t crash at Roswell, we aren’t reverse engineering alien technology at Area 51, and otherworldly tourists, anatomists or anthropologists are abducting no one from their homes.</p>
<p>I’ve said it and I’ve said it with certainty. Could I be wrong? Yes, and I will be the first to admit my mistake when someone brings forth credible evidence that our planet is being visited by creatures from another world. But until then, I will be a skeptic on this issue.</p>
<p>Carl Sagan said, “Extraordinary claims require extraordinary evidence.” Now, I may not be in the same league as Carl Sagan, but in this case I agree with him completely. Stories of strange lights in the sky, sightings of aircraft performing seemingly impossible acrobatic maneuvers before “shooting straight up,” presumably into space, or recollections of missing time after observing one of these weird aerial phenomena do not qualify as extraordinary evidence.</p>
<p>But what about the pictures? Since there have been cameras, there have been fuzzy pictures of these strange objects in the night sky. Most are obviously fake, some are clearly explainable, and, yes, some are truly puzzling—but a puzzling object seen from an aircraft window does not an alien spaceship make! Much simpler explanations (than alien visitors) are almost certainly waiting in the wings to be proffered. </p>
<p>I don’t want to get into a debate with true believers out there who have seen something they cannot explain, or have read about an encounter that had to be with a creature from another world. Sending me pictures taken with your cell phone camera will not convince me. No, the evidence would have to be something akin to Gort standing on the National Mall for me to be convinced aliens are visiting us.</p>
<p>Why am I so adamant? Why would I take a position that will almost certainly cause many readers to call me “closed minded” and a veritable Luddite? Because the thought of us being visited by aliens from another planet at this time simply is so highly improbable as to be, for all practical purposes, impossible.</p>
<p>Let me be clear. I do believe that there may be other life in the universe. I find the thought of humanity being alone in the universe to be not only depressing, but also arrogant. Surely, if it can happen here, with us, then it can happen elsewhere also. But, almost as certainly, life is rare. Intelligent tool-using life is likely even more rare. It is incredibly unlikely that intelligent, tool using life just happens to come visit us during a brief moment in the history of our species when are beginning to explore space ourselves.</p>
<p>I’d better explain how I come to this conclusion.</p>
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		<title>
		By: hondo		</title>
		<link>https://behindtheblack.com/behind-the-black/points-of-information/oumuamua-might-be-artificial-lightsail/#comment-1060999</link>

		<dc:creator><![CDATA[hondo]]></dc:creator>
		<pubDate>Tue, 06 Nov 2018 06:38:32 +0000</pubDate>
		<guid isPermaLink="false">https://behindtheblack.com/?p=54626#comment-1060999</guid>

					<description><![CDATA[A rock or hunk of ice - slingshot out from God know where and when.  I suspect interstellar space is not a complete void, but filled with lots of stuff like this.
We just never noticed one before.

Pity - I would have loved it to be Rama.]]></description>
			<content:encoded><![CDATA[<p>A rock or hunk of ice &#8211; slingshot out from God know where and when.  I suspect interstellar space is not a complete void, but filled with lots of stuff like this.<br />
We just never noticed one before.</p>
<p>Pity &#8211; I would have loved it to be Rama.</p>
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