V1247 Orionis

V1247 Orionis

Edited European Southern Observatory image of the star V1247 Orionis, set in a ring of dust and gas.

Original caption: This image from the Atacama Large Millimeter/submillimeter Array (ALMA) shows V1247 Orionis, a young, hot star surrounded by a dynamic ring of gas and dust, known as a circumstellar disc. This disc can be seen here in two parts: a clearly defined central ring of matter and a more delicate crescent structure located further out.

The region between the ring and crescent, visible as a dark strip, is thought to be caused by a young planet carving its way through the disc. As the planet orbits around its parent star, its motion creates areas of high pressure on either side of its path, similar to how a ship creates bow waves as it cuts through water. These areas of high pressure could become protective barriers around sites of planet formation; dust particles are trapped within them for millions of years, allowing them the time and space to clump together and grow.

The exquisite resolution of ALMA allows astronomers to study the intricate structure of such a dust trapping vortex for the first time. The image reveals not only the crescent-shaped dust trap at the outer edge of the dark strip, but also regions of excess dust within the ring, possibly indicating a second dust trap that formed inside of the potential planet’s orbit. This confirms the predictions of earlier computer simulations.

Dust trapping is one potential solution to a major stumbling block in current theories of how planets form, which predicts that particles should drift into the central star and be destroyed before they have time to grow to planetesimal sizes (the radial drift problem).

Links
Science paper
Credit:
ALMA (ESO/NAOJ/NRAO)/S. Kraus (University of Exeter, UK)

Posted by sjrankin on 2017-10-17 01:24:56

Tagged: , 17 October 2017 , Edited , ESO , European Southern Observatory , V1247 Orionis , Star , Dust , Gas , Ring

V1247 Orionis, variant

V1247 Orionis, variant

Edited European Southern Observatory image of the star V1247 Orionis, set in a ring of dust and gas. Color/processing variant.

Original caption: This image from the Atacama Large Millimeter/submillimeter Array (ALMA) shows V1247 Orionis, a young, hot star surrounded by a dynamic ring of gas and dust, known as a circumstellar disc. This disc can be seen here in two parts: a clearly defined central ring of matter and a more delicate crescent structure located further out.

The region between the ring and crescent, visible as a dark strip, is thought to be caused by a young planet carving its way through the disc. As the planet orbits around its parent star, its motion creates areas of high pressure on either side of its path, similar to how a ship creates bow waves as it cuts through water. These areas of high pressure could become protective barriers around sites of planet formation; dust particles are trapped within them for millions of years, allowing them the time and space to clump together and grow.

The exquisite resolution of ALMA allows astronomers to study the intricate structure of such a dust trapping vortex for the first time. The image reveals not only the crescent-shaped dust trap at the outer edge of the dark strip, but also regions of excess dust within the ring, possibly indicating a second dust trap that formed inside of the potential planet’s orbit. This confirms the predictions of earlier computer simulations.

Dust trapping is one potential solution to a major stumbling block in current theories of how planets form, which predicts that particles should drift into the central star and be destroyed before they have time to grow to planetesimal sizes (the radial drift problem).

Links
Science paper
Credit:
ALMA (ESO/NAOJ/NRAO)/S. Kraus (University of Exeter, UK)

Posted by sjrankin on 2017-10-17 01:24:56

Tagged: , 17 October 2017 , Edited , ESO , European Southern Observatory , V1247 Orionis , Star , Dust , Gas , Ring

V1247 Orionis, variant

V1247 Orionis, variant

Edited European Southern Observatory image of the star V1247 Orionis, set in a ring of dust and gas. Color/processing variant.

Original caption: This image from the Atacama Large Millimeter/submillimeter Array (ALMA) shows V1247 Orionis, a young, hot star surrounded by a dynamic ring of gas and dust, known as a circumstellar disc. This disc can be seen here in two parts: a clearly defined central ring of matter and a more delicate crescent structure located further out.

The region between the ring and crescent, visible as a dark strip, is thought to be caused by a young planet carving its way through the disc. As the planet orbits around its parent star, its motion creates areas of high pressure on either side of its path, similar to how a ship creates bow waves as it cuts through water. These areas of high pressure could become protective barriers around sites of planet formation; dust particles are trapped within them for millions of years, allowing them the time and space to clump together and grow.

The exquisite resolution of ALMA allows astronomers to study the intricate structure of such a dust trapping vortex for the first time. The image reveals not only the crescent-shaped dust trap at the outer edge of the dark strip, but also regions of excess dust within the ring, possibly indicating a second dust trap that formed inside of the potential planet’s orbit. This confirms the predictions of earlier computer simulations.

Dust trapping is one potential solution to a major stumbling block in current theories of how planets form, which predicts that particles should drift into the central star and be destroyed before they have time to grow to planetesimal sizes (the radial drift problem).

Links
Science paper
Credit:
ALMA (ESO/NAOJ/NRAO)/S. Kraus (University of Exeter, UK)

Posted by sjrankin on 2017-10-17 01:24:55

Tagged: , 17 October 2017 , Edited , ESO , European Southern Observatory , V1247 Orionis , Star , Dust , Gas , Ring

V1247 Orionis, variant

V1247 Orionis, variant

Edited European Southern Observatory image of the star V1247 Orionis, set in a ring of dust and gas. Color/processing variant.

Original caption: This image from the Atacama Large Millimeter/submillimeter Array (ALMA) shows V1247 Orionis, a young, hot star surrounded by a dynamic ring of gas and dust, known as a circumstellar disc. This disc can be seen here in two parts: a clearly defined central ring of matter and a more delicate crescent structure located further out.

The region between the ring and crescent, visible as a dark strip, is thought to be caused by a young planet carving its way through the disc. As the planet orbits around its parent star, its motion creates areas of high pressure on either side of its path, similar to how a ship creates bow waves as it cuts through water. These areas of high pressure could become protective barriers around sites of planet formation; dust particles are trapped within them for millions of years, allowing them the time and space to clump together and grow.

The exquisite resolution of ALMA allows astronomers to study the intricate structure of such a dust trapping vortex for the first time. The image reveals not only the crescent-shaped dust trap at the outer edge of the dark strip, but also regions of excess dust within the ring, possibly indicating a second dust trap that formed inside of the potential planet’s orbit. This confirms the predictions of earlier computer simulations.

Dust trapping is one potential solution to a major stumbling block in current theories of how planets form, which predicts that particles should drift into the central star and be destroyed before they have time to grow to planetesimal sizes (the radial drift problem).

Links
Science paper
Credit:
ALMA (ESO/NAOJ/NRAO)/S. Kraus (University of Exeter, UK)

Posted by sjrankin on 2017-10-17 01:24:55

Tagged: , 17 October 2017 , Edited , ESO , European Southern Observatory , V1247 Orionis , Star , Dust , Gas , Ring

Heart-shaped Crystal Cut Ring

Heart-shaped Crystal Cut Ring
 
It is believed that love is the most beautiful thing in the world. However, it seems very hard to find out the most suitable thing to express a true love. As you are trying hard to find a way to tell her how much you love her, you had better have a stop and take a look at Swarovski.
 
As we all know, crystal represents purity, eternal love as well as her flawless and nice-looking face. It also represents a heart that will never change. As Valentine’s Day is drawing upon, nothing could be better than a Swarovski crystal ring as a gift for her.
 
You will be definitely amazed by its beauty and charm as I am. Its beauty goes beyond the words. It is the best expression of love. Since the advent of multicolor Swarovski crystal heat cut ring at dealextreme, you are not far away from the best answer to your expression of love anyway. It is right there. Your love lies in the crystal of different colors.
 
The heart-shaped crystal is surrounded by some other smaller crystals in different colors. Blue represents your love is as pure and deep as the ocean. Purple represents your love is real and eternal. Red tells us that you love her with so much enthusiasm and passion. Pink represents she is a lovely, charming girl. She is the one you love more than anybody else in the world. However, brown represents your love to her is simple and strong. You just like her the way she is instead of any particular reason. Green represents you will love her as much strongly as you do now as an evergreen never dies. You will hold her hands for the rest of your life. As all these small crystals make a string going around the biggest heart-shaped crystal, a complete romantic story seems to emerge, telling us that love should be full of those meanings behind those smaller crystals. It is not a full love with one small crystal missing. Meanwhile, the crystal in the center just represents your heart, the love at the bottom of your heart.
 
The heart-shaped crystal is crystal clear just like she can see your love through your heart. From such a lovely-looking multicolor Swarovski crystal heart cut ring, love has been interpreted completely and profoundly. Love perhaps should be as clear as a crystal. As another new Valentine’s Day is coming, there will be a new step forward on the history of your love. When you are ready to make such a step, it is best for you to express your love with a heart-shaped crystal cut ring.

Here are some tips shared by http://www.dealextreme.com/, one of the worldwide B2C top sellers in selling the coolest gadgets with light-speed service and wholesale prices to all geeks/non-geeks around the planet.

More Replicant Urbanism Articles

digital age

digital age

i really want to get a disposable camera and take pictures of family, friends, memories etc. I really like how they turn out, digital just seems too real and it gets a bit boring after a while when theres not much to photograph. So i took this photo with my camera and my computer, double digital but i like the ‘rustic look’ because of my dusty desktop anyway hello updated flickr!

Posted by Georgina Smith Photography on 2013-05-24 14:20:58

Tagged: , georgina , smith , photography , canon , eos , 550d , mirror , girl , teenager , old , throwaway , rustic , digital , technology , mac , imac , apple , nail , varnish , ring , love , film , camera , teen , teens , young , aspire , photographer , inspired , dusty , dust , desktop , clean , marked

mouse 3

mouse 3

When you buy something, that does’nt work, before trowing it away, make some photos!

This is my first try with my new extension tubes, that allow me to approach with the 70-200 to almost 10cm, instead 150cm (4inch/60inch)!

You will notice much "dust" on the wheel. Well, it was very hard to getting rid of it, i think there was a static charge. And then i found the dust just interesting

Strobist info:
Room was completely dark and i "painted" the subject with a hand held torch.

Posted by mh__photo on 2013-04-24 22:25:12

Tagged: , canon , eos , 6d , 6 , d , mouse , mice , maus , mäuse , dof , bokeh , tech , tec , technical , technik , computer , pc , human , interface , kontrolle , control , controlling , wheel , click , rad , blau , trust , logitech , lightpainting , shutter , speed , full , frame , vollformat , makro , macro , zwischenring , ring , bulb , manfrotto , zoom , L , usb , close , up , closeup , extension , tube , tubes , extensiontube , extensiontubes

Polaroid SX-70

Polaroid SX-70

#49/365 My new camera came in! I stil need to order some film but everything looks in working order except for the shutter button which seems to stick. This one even came with a leather satchel for the camera and a pack of film and the original manual. Sorry for the quality of this image. I loaded it on the computer and realized my camera was on "JPG BASIC" mode. I was so bummed….now when I look at this picture all I see is jpg compression (I’ll just try to convince myself its bokeh). I do like the tones I was able to pull out though. Happy Land Camera Wednesday!

View On Black

Strobist: sb-800 in a ray ring flash

Posted by isayx3 on 2009-02-18 08:03:48

Tagged: , 50mmf14d , polaroid , sx-70 , land , camera , 50mm , f1.4 , nikon , d3 , sb-800 , speedlight , rayring , ray , ring , flash , light