An interstellar visitor

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An interstellar visitor

Post by Cody » Fri Nov 03, 2017 2:53 pm

We've had an interstellar visitor - now outbound, never to return. I immediately thought of Rama.
Then I read of a void they've discovered in the Great Pyramid, and I thought 'that'll be the fuel tank'.

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Re: An interstellar visitor

Post by Cody » Fri Nov 17, 2017 2:19 pm

The first known asteroid to visit our Solar System from interstellar space has been given a name. The interstellar interloper will now be referred to as 'Oumuamua, which means "a messenger from afar arriving first" in Hawaiian.

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Re: An interstellar visitor

Post by spud42 » Sat Nov 18, 2017 4:26 am

good lord, was that even really needed? how much money was wasted on this? lol
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Re: An interstellar visitor

Post by Disembodied » Mon Nov 20, 2017 6:02 pm

Now, new data reveal the interstellar interloper to be a rocky, cigar-shaped object with a somewhat reddish hue. The asteroid, named ‘Oumuamua by its discoverers, is up to one-quarter mile (400 meters) long and highly-elongated—perhaps 10 times as long as it is wide. That aspect ratio is greater than that of any asteroid or comet observed in our solar system to date. While its elongated shape is quite surprising, and unlike asteroids seen in our solar system, it may provide new clues into how other solar systems formed.
Image

https://www.nasa.gov/feature/solar-syst ... scientists

Generation ship, anyone?

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Re: An interstellar visitor

Post by spud42 » Tue Nov 21, 2017 7:59 am

thats exactly what i was thinking.. accretion of dust over the millennia...
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Re: An interstellar visitor

Post by hoqllnq » Tue Nov 21, 2017 4:22 pm


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Re: An interstellar visitor

Post by Disembodied » Tue Nov 21, 2017 4:34 pm

Admittedly it gets much less ship-like when you see from the NASA video that 'Oumuamua is tumbling end-over-end. But that might be a result of the bearings in its internal centrifuge freezing up, resulting in a transfer of angular momentum. :)

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Re: An interstellar visitor

Post by spud42 » Wed Nov 22, 2017 11:31 am

damn Newton and his conservation of momentum... lol
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Re: An interstellar visitor

Post by Smivs » Wed Nov 22, 2017 4:39 pm

Perhaps 'They' are mining it, so you start in the middle and dig 'down' towards each end.
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Re: An interstellar visitor

Post by Malacandra » Wed Nov 22, 2017 9:59 pm

Disembodied wrote:
Mon Nov 20, 2017 6:02 pm
Now, new data reveal the interstellar interloper to be a rocky, cigar-shaped object with a somewhat reddish hue. The asteroid, named ‘Oumuamua by its discoverers, is up to one-quarter mile (400 meters) long and highly-elongated—perhaps 10 times as long as it is wide. That aspect ratio is greater than that of any asteroid or comet observed in our solar system to date. While its elongated shape is quite surprising, and unlike asteroids seen in our solar system, it may provide new clues into how other solar systems formed.
Image

https://www.nasa.gov/feature/solar-syst ... scientists

Generation ship, anyone?
I got challenged to do NaNoWriMo this year. Go on, guess what's just turned up in my story? :lol:
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Re: An interstellar visitor

Post by Disembodied » Tue Dec 12, 2017 11:28 am

There's some slightly hysterical stories at the moment in much of the media (I know: I'm as shocked as you are :roll: ). The least Invasion of the Saucer People report I've found so far is in the Grauniad:

Astronomers to check interstellar body for signs of alien technology.
While many astronomers believe the object is an interstellar asteroid, its elongated shape is unlike anything seen in the asteroid belt in our own solar system. Early observations of ‘Oumuamua show that it is about 400m long but only one tenth as wide. “It’s curious that the first object we see from outside the solar system looks like that,” said [professor of astronomy at Harvard University Avi] Loeb.

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Re: An interstellar visitor

Post by Cody » Tue Dec 12, 2017 11:38 am

<chortles> I read that Grauniad article last night, and had to smile.
The Ramans do everything in threes. When's the next one due?

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Re: An interstellar visitor

Post by pleiadian » Tue Dec 12, 2017 2:42 pm

Disembodied wrote:
Mon Nov 20, 2017 6:02 pm
Now, new data reveal the interstellar interloper to be a rocky, cigar-shaped object with a somewhat reddish hue. The asteroid, named ‘Oumuamua by its discoverers, is up to one-quarter mile (400 meters) long and highly-elongated—perhaps 10 times as long as it is wide. That aspect ratio is greater than that of any asteroid or comet observed in our solar system to date. While its elongated shape is quite surprising, and unlike asteroids seen in our solar system, it may provide new clues into how other solar systems formed.
Image

https://www.nasa.gov/feature/solar-syst ... scientists

Generation ship, anyone?

At "just" 400m, this hardly fits the definition of a generation ship.

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Re: An interstellar visitor

Post by Disembodied » Tue Dec 12, 2017 2:53 pm

pleiadian wrote:At "just" 400m, this hardly fits the definition of a generation ship.
True – although much could depend on the size of the builders …

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Re: An interstellar visitor

Post by Alex » Tue Dec 12, 2017 4:06 pm

As suggested, could be for a race of tiny weeny bods on holiday...
But.. The end over end rotation suggests they didn't come from just one planet.
Nearer the ends suggests some need more gravity.

Dropping less gravity into some posts, sometimes feels compulsory.
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