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NASA’s Hubble Space Telescope and NASA’s Chandra X-ray Observatory have teamed up to identify a new possible example of a rare class of black holes. Called NGC 6099 HLX-1, this bright X-ray source seems to reside in a compact star cluster in a giant elliptical galaxy.
Just a few years after its 1990 launch, Hubble discovered that galaxies throughout the universe can contain supermassive black holes at their centers weighing millions or billions of times the mass of our Sun. In addition, galaxies also contain as many as millions of small black holes weighing less than 100 times the mass of the Sun. These form when massive stars reach the end of their lives.
Far more elusive are intermediate-mass black holes (IMBHs), weighing between a few hundred to a few 100,000 times the mass of our Sun. This not-too-big, not-too-small category of black holes is often invisible to us because IMBHs don’t gobble as much gas and stars as the supermassive ones, which would emit powerful radiation. They have to be caught in the act of foraging in order to be found. When they occasionally devour a hapless bypassing star — in what astronomers call a tidal disruption event— they pour out a gusher of radiation.
The newest probable IMBH, caught snacking in telescope data, is located on the galaxy NGC 6099’s outskirts at approximately 40,000 light-years from the galaxy’s center, as described in a new study in the Astrophysical Journal. The galaxy is located about 450 million light-years away in the constellation Hercules.
Credit: NASA, ESA, CXC, Yi-Chi Chang (National Tsing Hua University); Image Processing: Joseph DePasquale (STScI)
#NASAMarshall #NASA #astrophysics #NASAChandra #Space #Chandra #Telescope #NASAHubble #Hubble #NASAGoddard #blackhole #star
Read more about NASA's Chandra X-ray Observatory
Lazy Sunday, walked around had coffee in the Kubist Café, where the interior is unchanged since it opened 115 years ago
Minolta XD-s
MD Rokkor 50mm f/1.7
Kodak TMAX 400
1/250, f/5.6
Xtol (1+1), 9:15 min @ 20°C
Plustek 8100i Scanner
Strobist info : 1 speedlight with softbox on my right, trigger with wireless triger Pt 4ne. on my left is light from window/windowlight.
My newest sketch gear. The bag takes 7x10 inch paper or books. The two front pockets take my pens, a quarter pan watercolor set, water brush, and a spray unit. Compact with little wasted space. Love it.
Würzburg is een stad met overzichtelijke afmetingen en de trams die er tijdens mijn eerste bezoek in 1977 dienst deden, waren compact. Ook de grootte van het in 1954 opgeleverde stationsgebouw is afgestemd op de behoefte van een provinciestad. Het voor de jaren vijftig karakteristieke stationsgebouw is ontworpen door architect Hans Kern. De kraam met worstjes voor de uitgang van het station ontbreekt uiteraard niet.
De enkelgelede Düwag-tram heeft ook deuren aan de linker zijde. Op het achterbalkon is een hulpstuurstand aangebracht. De wagens konden zodoende bij behoefte in tweerichtingbedrijf gebruikt worden. Primair zijn de wagens echter voor eenrichtingbedrijf ingericht. Men sprak in dit geval ook wel van anderhalfrichtingwagens. Op de kopwand zien we de verschillende contactdozen voor bijwagenbedrijf. Destijds werd er op werkdagen nog met kleine tweeassige bijwagens achter deze gelede trams gereden.
Tram 233 maakt deel uit van een serie van tien enkelgelde zesassers die in 1967 en 1968 door Düwag werden geleverd. Vanwege het krappe profiel van vrij ruimte zijn de koppen sterk afgeschuind. In 1982 werden de wagens door het invoegen van een nieuwe tussenbak verlengd tot dubbelgelede achtassers.
Bekijk mijn fotoalbum in de klassieke versie.
The final to my future-auto exploration. This time, based on several retro-future compact-car designs (including by Syd Mead of course). Ironically, this is the only of the three that actually fits a full figure.
The purpose of the three cars was to look at what I consider the three main areas of consumer-cars in futuristic media: Luxury, Show, and Utility. I am disregarding Industrial and Military as I have made a ton of the former already and I don't really like the latter.
Hi!
I made a remake of an old photo, but this time, with a stop motion clip: www.youtube.com/watch?v=q5d9783-Ib4
Enjoy!
I am reading the new book "Digital Capture After Dark" by Amanda Quintenz-Fiedler and Philipp Scholz Rittermann. The book intrigues me again on the night photography.
But I am born to be a lazy photographer. I do not want to go to the remote or exotic places for night photography. I do not shoot RAW and I do not use a lot of post-production techniques as suggested by the writers. I don't even use DSLR for night shooting as everyone said compact camera has too much noise in the small sensor.
Anyways I just walk in the back alley in my neighbourhood and shoot in JPEG. I am just too lazy to fiddle around the white balance and therefore shoot in the B&W mode in-camera.
My photo club friends always tease me as crazy guy that associates photography with philosophy. Yes there is the philosophy that inspires you to see the beauty in mundane subjects and I believe there is a special charisma of night too. When the night falls, you can see some sort of special beauty even in a back alley.
Do you think so?
Happy weekend!
Fuji X10
ISO 400 F5.6 1.8 second
Car: Ford Fiesta 1.6 DL .
Date of first registration: 20th May 1988.
Registration region: Ipswich.
Latest recorded mileage: 38,486 (MOT 8th August 2018), currently on SORN.
Date taken: 3rd July 2018.
Album: Carspotting
To me, it would seem that a dandelion bloom would be somehow different than this. I think that it's because a dandelion's fibers are all so scattered, at first glance, that it seems unlikely that they start out so orderly. Then the reasoning kicks in that dandelions use air dispersal to get their offspring away from the parent plant. Of course, then, there isn't a random combination of structures. They must be grown specifically to take advantage of being both light and fluffy.
Still with me? Gone to take a snooze?
Olympus OM2 w/ 135mm f/3.5
Fujicolor Superia X-Tra 400, expired 05/2019
Home Developed in Argentix.ca C-41 kit (Unicolor)
Pakon F135
11th November 1620, Provincetown Harbour, near Cape Cod, passengers on board the Mayflower sign "The Compact". The Compact was the first governing document of Plymouth Colony and was written by the male passengers of the voyage, consisting of separatist Puritans, adventurers, and tradesmen.
This build is based on by the painting of the Mayflower Compact by Jean Leon Gerome Ferris.
More over on Brick to the Pasts blog.
POTTERY TOWN IS AN OLD PLACE IN BANGALORE AREA WHERE PEOPLE FROM DECADES HAVE BEEN INTO POTTERY MAKING CLAY MUD ARTIFACTS OF LORD GANESHA ARE MADE DURING VINAYAKA CHATHURTHI PEOPLE HAVE BEEN MAKING POTTERY FOR DECADES THERE'S ALWAYS A HIGH DEMAND OF POTTERY SPECIALLY DURING FESTIVALS THE POTTERS MAKE TRADITIONAL CLAY LAMPS.POTTERY TOWN IS A SMALL LANE IN SHIVAJINAGAR BANGALORE WHERE YOU CAN BUY POTTERY FOR A very good PRICE . I met 5th generation Potters family person . In pottery, a potter's wheel is a machine used in the shaping (known as throwing) of clay into round ceramic ware. The wheel may also be used during the process of trimming excess clay from leather-hard dried ware that is stiff but malleable, and for applying incised decoration or rings of colour. Nowadays Potters wheel is mechanized , compact unit with electric motor , It enhances productivity and production of clay products.
Clicked with Sonya9 in Raw and processed in Adobe Lightroom
The theme for today in the Kerrisdale Cameras daily photo challenge is “Compact”. I struggled with this one until I saw one of my daughters CD’s (Compact Disc) sitting on the table reflecting light from a nearby window #kcphotochallenge
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Konica Autoreflex T3
Fuji Superia 100 expired (date unknown)
AR Hexanon 1.8/40
PP in Pixlr-O-Matic
I must be one of the very few people who don't like the Petri Color 35. There, I've said it. Don't get me wrong, from the collector's standpoint it is a great camera: Great looks, intuitive design, a marvel of camera engineering, all this from a maker of budget cameras who tried (and partially succeded) to come up with a "Rollei 35 killer" at a time when Rollei was still a premium name in the camera business.
Me, I like to judge cameras as a user first and the Color 35 has a very serious drawback for a viewfinder guess-focus camera: There is no way to focus the lens without bringing the camera to your eye, as there is no distance scale on the retracting lens barrel. You have to either keep the camera at eye level throughout focusing (with the added risk of getting your finger in your eye while turning the focusing knob at the back) in order to watch the needle move over the distance indicators in the viewfinder, or use it hyperfocally which somehow defeats the whole purpose of having manual control over aperture and thus DOF. All this led me to sell the Color 35 I had and declare the original Rollei 35 (which gives you the opportunity to fully control every aspect of shooting without the need to bring the camera at eye level other than at the exact moment of framing) as the undisputed winner of this duel.
Now to the camera pictured here: After the commercial success of the Color 35, Petri decided to release another camera based on it, retaining some of its virtues (compact size, retractable lens) but replacing the fully manual exposure with a fully automatic one which would make the camera much more appealing to the casual user. This way, the Petri Color 35E (for "Electronic") was born. Wisely enough, Petri added a distance indicator on the lens barrel, correcting the fundamental drawback of the Color 35. With time, the name changed a bit, the camera also existed as "Petri 35E" then renamed "Petri Micro Compact" which also involved a change in finish from the classic chrome to black. The latter can also be found as "Carena Micro Compact".
Sadly, as the camera evolved, it slowly lost the good build quality that characterised the first Color 35, probably reflecting the gradual decline of Petri into bankruptcy. Although the size is identical to the Color 35 and features like the completely removable back or the freely rotating strap lugs remain, almost all metal has been replaced by plastic, resulting in an overall feel very close to a toy camera, much worse than what pictures of the camera online suggest at first glance. Everything feels very flimsy and easily breakable. The VF is decent but without any exposure or distance indicators at all and the only amenity to the user is a battery test button. Perhaps the early Color 35E model retains some of the quality of its mechanical sibling, but working ones are rather uncommon to find at low prices, probably a spill-over effect from the reputation and collectability of the original Color 35.