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Another study in advance of working on a commission. The building has been demolished but I hope to add a small version of it to the reconstruction drawing I have been commissioned to make. It stood near the entrance of an extensive goods yard, some indication of which will be part of the work o am doing. Drawn with a Pentel P205 0.5mm pencil in an A4 sketchbook.
Pretty much what I have to do cuz I have to raise my Social studies grade~Hw..Not my thing~ by the end of the quarter or I might not be allowed on the computer for a long time so yeah~
My favorite color (yes, it's brown) dominated this hazy, near-sunset valley. Lots of local contrast manipulation made detail visible in the photograph. Overdone? Not sure ...
10th February 2010
10/28 - Month of... Jedi & I
Jedi has always been my study buddy. I often read to him and explain to him about all things medical. It's nice to have some company, even if he really has no idea what I'm talking about!
Quick little study thing I tried doing today. Found the reference of the model randomly on here and thought she was pretty I wanted to try doing a quick skin paint study. I’m really rusty lol... this was about an hour and a half of work and aaaaaaahhh screaming I need to practice so much more...
pencil Gras drawing paper 120 gr. A3
uit de serie: eigen werk
Thank you everyone for your visit, favorites and comments.
The final picture for now from Swansea on Tasmania's east coast is just me playing around with the longer exposures. A couple of avid fishermen turned up with their boat on a trailer and started backing into the water. I seized the chance to catch a little of the action. I could have ramped up the ISO and taken some conventional shots, but thought it would be nice to see the effects of movement in this early morning light. At least it catches something of the energy of these fishermen. They were keen souls who have done this plenty of times. Their operation to launch the boat was over in minutes.
Exposure times: This information doesn't show because of the way I've formatted the four shots. But if you move clockwise from the top left the exposure times are 10s, 10s, 4s and 2s.
Never knew studying anatomy could be so fulfilling. .. ? Let me show you the chapter where I. .
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In a Buddhist monastery in Mawlamyine, Myanmar.
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A new image from the NASA/ESA/CSA James Webb Space Telescope reveals a remarkable cosmic sight: at least 17 concentric dust rings emanating from a pair of stars. Located just over 5000 light-years from Earth, the duo is collectively known as Wolf-Rayet 140. Each ring was created when the two stars came close together and their stellar winds (streams of gas they blow into space) met, compressing the gas and forming dust. The stars’ orbits bring them together about once every eight years; like the rings of a tree’s trunk, the dust loops mark the passage of time.
In addition to Webb’s overall sensitivity, its Mid-Infrared Instrument (MIRI) is uniquely qualified to study the dust rings. These rings are also called shells by astronomers because they are thicker and wider than they appear in the image. Webb’s science instruments detect infrared light, a range of wavelengths invisible to the human eye.
Contributed under both ESA and NASA leadership, Webb’s MIRI instrument detects the longest infrared wavelengths. This means that it can often see cooler objects – including the dust rings – than Webb’s other instruments can. MIRI’s spectrometer also revealed the composition of the dust, formed mostly from material ejected by a type of star known as a Wolf-Rayet star. A Wolf-Rayet star is born with at least 25 times more mass than our Sun and is nearing the end of its life, when it will likely explode as a supernova and then collapse into a black hole. Burning hotter than in its youth, a Wolf-Rayet star generates powerful winds that push huge amounts of gas into space. The Wolf-Rayet star in this particular pair may have shed more than half its original mass via this process.
Transforming gas into dust is somewhat like turning flour into bread. It requires specific conditions and ingredients. Hydrogen, the most common element found in stars, can’t form dust on its own. But because Wolf-Rayet stars shed so much mass, they also eject more complex elements typically found deep in a star’s interior, including carbon. The heavy elements in the wind cool as they travel into space and are then compressed where the winds from both stars meet, like when two hands knead dough.
Some other Wolf-Rayet systems form dust, but none is known to make rings like Wolf-Rayet 140 does. The unique ring pattern forms because the orbit of the Wolf-Rayet star in WR 140 is elongated, not circular. Only when the stars come close together – about the same distance between Earth and the Sun – and their winds collide is the gas under sufficient pressure to form dust. With circular orbits, Wolf-Rayet binaries can produce dust continuously.
The science team thinks WR 140’s winds also swept the surrounding area clear of residual material they might otherwise collide with, which may be why the rings remain so pristine rather than smeared or dispersed. There are likely even more rings that have become so faint and dispersed, not even Webb can see them in the data.
Wolf-Rayet stars may seem exotic compared to our Sun, but they may have played a role in star and planet formation. When a Wolf-Rayet star clears an area, the swept-up material can pile up at the outskirts and become dense enough for new stars to form. There is some evidence the Sun formed in such a scenario.
Using data from MIRI’s Medium Resolution Spectroscopy mode, the new study provides the best evidence yet that Wolf-Rayet stars produce carbon-rich dust molecules. What’s more, the preservation of the dust shells indicates that this dust can survive in the hostile environment between stars, going on to supply material for future stars and planets. The catch is that while astronomers estimate that there should be at least a few thousand Wolf-Rayet stars in our galaxy, only about 600 have been found to date.
These results have been published today in Nature Astronomy.
MIRI was contributed by ESA and NASA, with the instrument designed and built by a consortium of nationally funded European Institutes (the MIRI European Consortium) in partnership with JPL and the University of Arizona.
[Image Description: The background of this Webb image of star Wolf-Rayet 140 is black. A pair of bright stars dominates the centre of the image, with at least 17 pink-orange concentric dust rings emanating from them. Throughout the scene are a range of distant galaxies, the majority of which are very tiny and red, appearing as splotches.]
Credits: NASA/ESA/CSA/STScI/JPL-Caltech; CC BY 4.0
Amsterdam | 2015
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Study hours are gradually decreasing in our life. When we read a good book, we can feel an unlimited joy. Please read good books at least one hour daily and make it a habit. Your positive step will motivate the junior members of your family. They will also increase their study hours.
A detailed study of the wheels and motion of a steam locomotive catching the setting winter sun. The locomotive is 45407, I took this in January 2012
My wife gifted the flowers for 'nothing special' 2 yrs ago.
I made these pictures, then forgot about it. Today, I found a folder strangely named 'flower studies' in my old drive. About 50 shots of flower pictures were stored in the folder. Right, I've never studied flowers, but these remind me of a good day with my wife.
Another study for the commission I am currently working on. These are the tanks for cutch, a solution of water and bark which was used to waterproof drift nets for the Suffolk fishing fleet, which I have already drawn. The drawing reminded me that some of this paraphernalia would be useful for my commissioned drawing, a cutaway view of a building like the one in the background. Drawn with a Pentel 0.5mm mechanical pencil on an A4 sketch pad.