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| FORUMS > The Sin Bin > The Astronomy Thread |
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Last edited by Ferocious Aardvark on stardate Jun 26, 3013 11:27 am, edited 48,562,867,458,300,023 times in total:d7dc4b20b2c2dd7b76ac6eac29d5604e_973.gif |
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ESA's LISA Pathfinder is another part of the search for gravitational waves, and this has now passed a milestone, which is just an amazing feat of technology.
[ (c) [sizeCopyright ESA/ATG medialab[/size ]
Basically, the plan was, to have two detectors, in perfect and permanent freefall through space, so effectively completely "weightless", taking the measurements. T
How they did it (very briefly) was
1. Position the satellite at a point approx 1.5m km towards the Sun, where the gravity from Earth and Sun balance out (orbiting the first Sun–Earth ‘Lagrangian point’, L1.)
2. Release the two detectors so that they float freely within their respective containers
3. Using an incredibly sensitive steering mechanism, "fly" the spacecraft around the detectors! - no force will ever be applied to the free-floating detectors again, save the gravity that keeps them in orbit, and the spacecraft will when necessary make minute adjustments to its position, to keep the freefalling detectors in the centre of their housings.
So, the theory goes, the only thing that can cause a disturbance of the detectors would be a passing gravitational wave.
A fuller explanation of this amazing experimental mission here:
m.esa.int/Our_Activities/Space_S ... Pathfinder |
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ESA's LISA Pathfinder is another part of the search for gravitational waves, and this has now passed a milestone, which is just an amazing feat of technology.
[ (c) [sizeCopyright ESA/ATG medialab[/size ]
Basically, the plan was, to have two detectors, in perfect and permanent freefall through space, so effectively completely "weightless", taking the measurements. T
How they did it (very briefly) was
1. Position the satellite at a point approx 1.5m km towards the Sun, where the gravity from Earth and Sun balance out (orbiting the first Sun–Earth ‘Lagrangian point’, L1.)
2. Release the two detectors so that they float freely within their respective containers
3. Using an incredibly sensitive steering mechanism, "fly" the spacecraft around the detectors! - no force will ever be applied to the free-floating detectors again, save the gravity that keeps them in orbit, and the spacecraft will when necessary make minute adjustments to its position, to keep the freefalling detectors in the centre of their housings.
So, the theory goes, the only thing that can cause a disturbance of the detectors would be a passing gravitational wave.
A fuller explanation of this amazing experimental mission here:
m.esa.int/Our_Activities/Space_S ... Pathfinder | |
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...Diagnosing SBD (Sporting Bipolar Disorder) since 2003...
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That's an incredible feat of engineering and science. Hopefully, they'll get some results back in the future.
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973_1515165968.gif
Last edited by Ferocious Aardvark on stardate Jun 26, 3013 11:27 am, edited 48,562,867,458,300,023 times in total:d7dc4b20b2c2dd7b76ac6eac29d5604e_973.gif |
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Awesome new images of the plane of our galaxy, the Milky Way, from the Southern hemisphere
Quote: "A spectacular new image of the Milky Way has been released to mark the completion of the APEX Telescope Large Area Survey of the Galaxy (ATLASGAL). The APEX telescope in Chile has mapped the full area of the Galactic Plane visible from the southern hemisphere for the first time at submillimetre wavelengths — between infrared light and radio waves — and in finer detail than recent space-based surveys.
rlhttps://www.eso.org/public/news/eso1606/rl
'"
To the right of the main page are links to various sizes of image, zoomable etc.
A number of images released including this superb mp4 in ultra HD
cdn2.eso.org/videos/ultra_hd/eso1606a.mp4 |
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Awesome new images of the plane of our galaxy, the Milky Way, from the Southern hemisphere
Quote: "A spectacular new image of the Milky Way has been released to mark the completion of the APEX Telescope Large Area Survey of the Galaxy (ATLASGAL). The APEX telescope in Chile has mapped the full area of the Galactic Plane visible from the southern hemisphere for the first time at submillimetre wavelengths — between infrared light and radio waves — and in finer detail than recent space-based surveys.
rlhttps://www.eso.org/public/news/eso1606/rl
'"
To the right of the main page are links to various sizes of image, zoomable etc.
A number of images released including this superb mp4 in ultra HD
cdn2.eso.org/videos/ultra_hd/eso1606a.mp4 | |
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simpsons/simp048.gif
I have only been wrong once and thats because I thought I was wrong but I was wrong I was right!
Petty authoritarians aren’t man enough to challenge the actions of a person face to face; instead they incite a forum of rumour, innuendo and half truths, and impose rude sanctions to discourage those who dare question fairness.
Anon.:simpsons/simp048.gif |
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Some nice pics of the recent spectacular Northern Lights display. rlhttps://www.bbc.co.uk/news/business-35741589rl
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...Diagnosing SBD (Sporting Bipolar Disorder) since 2003...
Negs bringing down the tone of your forum? Keyboard Bell-endery tiresome? Embarrassed by some of your own fans?
Then you need...
TheButcher
I must be STOPPED!!
Vice Chairman of The Scarlet Turkey Clique
Grand Wizard Shill of Nibiru Prime & Dark Globe Champion
Chairman of 'The Neil Barker School for gifted Clowns'
"A Local Forum. For Local People":d7dc4b20b2c2dd7b76ac6eac29d5604e_6329.jpg |
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| Europe's newest climate satellite Sentinal-3A is sending back some stunning images of our planet. Check these out...
rlClick merl
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973_1515165968.gif
Last edited by Ferocious Aardvark on stardate Jun 26, 3013 11:27 am, edited 48,562,867,458,300,023 times in total:d7dc4b20b2c2dd7b76ac6eac29d5604e_973.gif |
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Those images are astonishingly detailed, amazing stuff
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simpsons/simp048.gif
I have only been wrong once and thats because I thought I was wrong but I was wrong I was right!
Petty authoritarians aren’t man enough to challenge the actions of a person face to face; instead they incite a forum of rumour, innuendo and half truths, and impose rude sanctions to discourage those who dare question fairness.
Anon.:simpsons/simp048.gif |
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Quote: Ferocious Aardvark "Pluto's icy plains - truly astonishing detail, the resolution is around 80 metres per pixel
This is a screengrab of a partial image, but for the best view go to the page and click on the full length image and scroll. Awesome.
Some interesting theories on a "mobile mantle" on Pluto https://www.ras.org.uk/education-and-ca ... ile-mantle |
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Quote: Ferocious Aardvark "Pluto's icy plains - truly astonishing detail, the resolution is around 80 metres per pixel
This is a screengrab of a partial image, but for the best view go to the page and click on the full length image and scroll. Awesome.
Some interesting theories on a "mobile mantle" on Pluto https://www.ras.org.uk/education-and-ca ... ile-mantle | |
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973_1515165968.gif
Last edited by Ferocious Aardvark on stardate Jun 26, 3013 11:27 am, edited 48,562,867,458,300,023 times in total:d7dc4b20b2c2dd7b76ac6eac29d5604e_973.gif |
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An awesome new view of the shadow of the Moon crossing the face of the Earth during the 9th March solar eclipse - as seen from the DSCVR (Deep Space Climate Observatory), from a distance of 1 million miles.
www.space.com/32224-moon-shadow- ... video.html |
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An awesome new view of the shadow of the Moon crossing the face of the Earth during the 9th March solar eclipse - as seen from the DSCVR (Deep Space Climate Observatory), from a distance of 1 million miles.
www.space.com/32224-moon-shadow- ... video.html | |
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973_1515165968.gif
Last edited by Ferocious Aardvark on stardate Jun 26, 3013 11:27 am, edited 48,562,867,458,300,023 times in total:d7dc4b20b2c2dd7b76ac6eac29d5604e_973.gif |
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Congrats to Toynbee School in Chandler’s Ford whose magnificent and intrepid teddy bear, Derek, has soared to 95,000 feet and in so doing, proved the shape of the globe! ![]()
Sadly, at the moment poor Derek is missing, probably abducted by aliens, but his achievement will forever make him a giant among bears. The amazing and heart-wrenching video of his epic and fearless journey here:
https://youtu.be/ZokqwxBzDbI |
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Congrats to Toynbee School in Chandler’s Ford whose magnificent and intrepid teddy bear, Derek, has soared to 95,000 feet and in so doing, proved the shape of the globe! ![]()
Sadly, at the moment poor Derek is missing, probably abducted by aliens, but his achievement will forever make him a giant among bears. The amazing and heart-wrenching video of his epic and fearless journey here:
https://youtu.be/ZokqwxBzDbI | |
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[img:1xp9uk91]https://ytimg.googleusercontent.com/vi/2BHVr3E9ZO8/mqdefault.jpg[/img:1xp9uk91]
[b:1xp9uk91][i:1xp9uk91]The Earth is not a Globe. Trust Your God Given Senses.If the Sun is 93.000.000 miles away, why do i see clouds behind the Sun.?. Occam's Razor = it Isn't 93.000.000 miles away.
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| Quote: Ferocious Aardvark "Congrats to Toynbee School in Chandler’s Ford whose magnificent and intrepid teddy bear, Derek, has soared to 95,000 feet and in so doing, proved the shape of the globe! ![]()
Ferocious Aardvark, did you watch the footage? You would of seen Convex, concave, convex back to concave. Check out the fisheye lens..
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973_1515165968.gif
Last edited by Ferocious Aardvark on stardate Jun 26, 3013 11:27 am, edited 48,562,867,458,300,023 times in total:d7dc4b20b2c2dd7b76ac6eac29d5604e_973.gif |
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| Quote: FLAT STANLEY "Ferocious Aardvark, did you watch the footage? You would of seen Convex, concave, convex back to concave. Check out the fisheye lens..'"
I posted a link to a lovely little story about a school sending a bear into near-Space, as its an astronomy gem.
I did allow myself a gentle joke, even though what I said is clearly true, but your comment is indeed ironic from a person with a severely distorted perspective image permanently in his sig! | | |
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How come no one else is allowed to post in the Mugwump/Flat Stanley thread, which employs North Korean levels of moderation for anyone other than the true un-believer - but Flat Stanley is perfectly at liberty to post his lunatic ramblings about a flat earth in this one?
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973_1515165968.gif
Last edited by Ferocious Aardvark on stardate Jun 26, 3013 11:27 am, edited 48,562,867,458,300,023 times in total:d7dc4b20b2c2dd7b76ac6eac29d5604e_973.gif |
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He's not, to be fair, he made a valid point, he just spoiled it by having in his sig the exact effect he was pointing out. But yes, we have enough threads about, shall we say, competing theories, and this won't become another.
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973_1515165968.gif
Last edited by Ferocious Aardvark on stardate Jun 26, 3013 11:27 am, edited 48,562,867,458,300,023 times in total:d7dc4b20b2c2dd7b76ac6eac29d5604e_973.gif |
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| Astronomers have found a very young "super Jupiter" planet, found wandering around without a parent. That is to say, a free-floating planet, not orbiting any star. Not the first, but close (approx. 95 light years) and very young (10 million years.
2MASS J1119–1137 is between four and eight times the mass of Jupiter, in the mass range between a large planet and a small brown dwarf star.
The loner planet belongs in the youngest group of stars in our part of the galaxy, known collectively as the TW Hydrae association. This contains about two dozen 10 million-year-old stars, all moving together through space. This astonishing (if you like this sort of thing) video illustrates the planet, and the TW Hydrae association, moving as a group through space. Mind boggling science.
Produced and directed by David Rodriguez, using visualization software Uniview by SCISS and the American Museum of Natural History’s Digital Universe data[/size
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Anyone else been enjoying Tim Peake's regular images from around the globe on his facebook page recently?
Mount Etna smoking away last weekhttps://lh3.googleusercontent.com/-QVTolctv_IE/VyS_8Oew_eI/AAAAAAAFQmE/wXo8rELyPboXQWWP3AJlCSBQrbKrQrNoQCL0B/w506-h338/Mount%2BEtna%2BISS-TimPeake%2B%252804-15-16%2529.jpg" >
Merseyside, Wirral & Cheshirehttps://media.gettyimages.com/photos/this-handout-image-supplied-by-the-european-space-agency-shows-the-picture-id521765130" >
Some real crackers recently.
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