M100: A Grand Design Spiral Galaxy #119 Majestic on a truly…

M100: A Grand Design Spiral Galaxy #119 Majestic on a truly cosmic scale, M100 is appropriately known as a grand design spiral galaxy. It is a large galaxy of over 100 billion stars with well-defined spiral arms that is similar to our own Milky Way Galaxy. One of the brightest members of the Virgo Cluster of galaxies, M100 (alias NGC 4321) is 56 million light-years distant toward the constellation of Berenice’s Hair (Coma Berenices). This Hubble Space Telescope image of M100 was taken recently with the Wide Field Camera 3 and accentuates bright blue star clusters and intricate winding dust lanes which are hallmarks of this class of galaxies. Studies of variable stars in M100 have played an important role in determining the size and age of the Universe. via NASA https://apod.nasa.gov/apod/ap181225.html

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M43: Orion Falls #119 Is there a waterfall in Orion? No, but…

M43: Orion Falls #119 Is there a waterfall in Orion? No, but some of the dust in M43 appears similar to a waterfall on Earth. M43, part of the Orion Molecular Cloud Complex, is the often imaged but rarely mentioned neighbor of the more famous M42. M42, which includes many bright stars from the Trapezium cluster, lies above the featured scene. M43 is itself a star forming region and although laced with filaments of dark dust, is composed mostly of glowing hydrogen. The entire Orion field, located about 1600 light years away, is inundated with many intricate and picturesque filaments of dust. Opaque to visible light, dark dust is created in the outer atmosphere of massive cool stars and expelled by a strong outer wind of protons and electrons. via NASA https://apod.nasa.gov/apod/ap181212.html

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Aurora Shimmer, Meteor Flash #119 Some night skies are serene…

Aurora Shimmer, Meteor Flash #119 Some night skies are serene and passive – others shimmer and flash. The later, in the form of auroras and meteors, haunted skies over the island of Kvaløya, near Tromsø Norway on 2009 December 13. This 30 second long exposure records a shimmering auroral glow gently lighting the wintery coastal scene. A study in contrasts, the image also captures the sudden flash of a fireball meteor from the excellent Geminid meteor shower of 2009. Streaking past familiar stars in the handle of the Big Dipper, the trail points back toward the constellation Gemini, off the top of the view. Both auroras and meteors occur in Earth’s upper atmosphere at altitudes of 100 kilometers or so, but aurora caused by energetic charged particles from the magnetosphere, while meteors are trails of cosmic dust. Nine years after this photograph was taken, toward the end of this week, the yearly 2018 Geminids meteor shower will peak again, although this time their flashes will compete with the din of a half-lit first-quarter moon during the first half of the night. via NASA https://apod.nasa.gov/apod/ap181209.html

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December s Comet Wirtanen #119 Coming close in mid-December,…

December s Comet Wirtanen #119 Coming close in mid-December, Comet 46P Wirtanen hangs in this starry sky over the bell tower of a Romanesque church. In the constructed vertical panorama, a series of digital exposures capture its greenish coma on December 3 from Sant Llorenc de la Muga, Girona, Catalonia, Spain, planet Earth. With an orbital period that is now about 5.4 years, the periodic comet’s perihelion, its closest approach, to the Sun will be on December 12. On December 16 it will be closest to Earth, passing at a distance of about 11.6 million kilometers or 39 light-seconds. That’s close for a comet, a mere 30 times the Earth-Moon distance. A good binocular target for comet watchers, Wirtanen could be visible to the unaided eye from a dark sky site. To spot it after dusk on December 16, look close on the sky to the Pleiades star cluster in Taurus. via NASA https://apod.nasa.gov/apod/ap181207.html

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Rocket Launch between Mountains #119 What’s happening…

Rocket Launch between Mountains #119 What’s happening between those mountains? A rocket is being launched to space. Specifically, a Long March 3B Carrier Rocket was launched from Xichang Satellite Launch Center in Sichuan Province in China about two week ago. The rocket lifted two navigation satellites to about 2,000 kilometers above the Earth’s surface, well above the orbit of the International Space Station, but well below the orbit of geostationary satellites. China’s Chang’e 3 mission that landed the robotic Yutu rover on the Moon was launched from Xichang in 2013. The featured image was taken about 10 kilometers from the launch site and is actually a composite of nine exposures, including a separate background image. via NASA https://apod.nasa.gov/apod/ap181204.html

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Spiraling Supermassive Black Holes #119 Do black holes glow…

Spiraling Supermassive Black Holes #119 Do black holes glow when they collide? When merging, co-orbiting black holes are sure to emit a burst of unusual gravitational radiation, but will they emit light, well before that, if they are surrounded by gas? To help find out, astrophysicists created a sophisticated computer simulation. The simulation and featured resulting video accurately depicts two spiraling supermassive black holes, including the effects of Einstein’s general relativity on the surrounding gas and light. The video first shows the system from the top, and later from the side where unusual gravitational lens distortions are more prominent. Numerical results indicate that gravitational and magnetic forces should energize the gas to emit high-energy light from the ultraviolet to the X-ray. The emission of such light may enable humanity to detect and study supermassive black hole pairs well before they spiral together. via NASA https://apod.nasa.gov/apod/ap181203.html

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Creature Aurora Over Norway #119 It was Halloween and the sky…

Creature Aurora Over Norway #119 It was Halloween and the sky looked like a creature. Exactly which creature, the astrophotographer was unsure but (possibly you can suggest one). Exactly what caused this eerie apparition in 2013 was sure: one of the best auroral displays in recent years. This spectacular aurora had an unusually high degree of detail. Pictured here, the vivid green and purple auroral colors are caused by high atmospheric oxygen and nitrogen reacting to a burst of incoming electrons. Birch trees in Tromsø, Norway formed an also eerie foreground. Recently, new photogenic auroras have accompanied new geomagnetic storms. via NASA https://apod.nasa.gov/apod/ap181118.html

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Antares Seen from Washington D.C. Tidal Basin #116 ​The Northrop…

Antares Seen from Washington D.C. Tidal Basin #116 ​The Northrop Grumman Antares rocket, with Cygnus resupply spacecraft onboard, is seen above the Thomas Jefferson Memorial in Washington, DC, on Nov. 17, 2018. via NASA http://www.nasa.gov/image-feature/antares-seen-from-washington-dc-tidal-basin

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The Hill, The Moon, and Saturn #119 Last Sunday when the Moon…

The Hill, The Moon, and Saturn #119 Last Sunday when the Moon was young its sunlit crescent hung low near the western horizon at sunset. With strong earthshine it was joined by Saturn shining in the early evening sky for a beautiful conjunction visible to skygazers around our fair planet. On that clear evening on a hill near Veszprem, Hungary mother, daughter, bright planet, and young Moon are framed in this quiet night skyscape taken with a telephoto lens. Of course the Moon ages too quickly for some, and by tonight the sunlit part has reached its first quarter phase. This weekend skygazers spending quality time under Moon and stars might expect to see the annual rain of comet dust otherwise known as the Leonid meteor shower. via NASA https://apod.nasa.gov/apod/ap181116.html

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Orionids Meteors over Inner Mongolia #119 Meteors have been…

Orionids Meteors over Inner Mongolia #119 Meteors have been shooting out from the constellation of Orion. This was expected, as October is the time of year for the Orionids Meteor Shower. Pictured here, over two dozen meteors were caught in successively added exposures last October over Wulan Hada volcano in Inner Mongolia, China. The featured image shows multiple meteor streaks that can all be connected to a single small region on the sky called the radiant, here visible just above and to the left of the belt of Orion, The Orionids meteors started as sand sized bits expelled from Comet Halley during one of its trips to the inner Solar System. Comet Halley is actually responsible for two known meteor showers, the other known as the Eta Aquarids and visible every May. An Orionids image featured on APOD one year ago today from the same location shows the same car. Next month, the Leonids Meteor Shower from Comet Tempel-Tuttle should also result in some bright meteor streaks. via NASA https://apod.nasa.gov/apod/ap181030.html

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Newborn Stars Blow Bubbles in the Cat’s Paw Nebula #116…

Newborn Stars Blow Bubbles in the Cat’s Paw Nebula #116 Newborn Stars Blow Bubbles in the Cat’s Paw Nebula via NASA http://www.nasa.gov/image-feature/jpl/newborn-stars-blow-bubbles-in-the-cats-paw-nebula

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Hyperion: Largest Known Galaxy Proto Supercluster #119 How did…

Hyperion: Largest Known Galaxy Proto Supercluster #119 How did galaxies form in the early universe? To help find out, astronomers surveyed a patch of dark night sky with the Very Large Telescope array in Chile to find and count galaxies that formed when our universe was very young. Analysis of the distribution of some distant galaxies (redshifts near 2.5) found an enormous conglomeration of galaxies that spanned 300 million light years and contained about 5,000 times the mass of our Milky Way Galaxy. Dubbed Hyperion, it is currently the largest and most massive proto-supercluster yet discovered in the early universe. A proto-supercluster is a group of young galaxies that is gravitationally collapsing to create a supercluster, which itself a group of several galaxy clusters, which itself is a group of hundreds of galaxies, which itself is a group of billions of stars. In the featured visualization, massive galaxies are depicted in white, while regions containing a large amount of smaller galaxies are shaded blue. Identifying and understanding such large groups of early galaxies contributes to humanity’s understanding of the composition and evolution of the universe as a whole. via NASA https://apod.nasa.gov/apod/ap181023.html

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Magnetic Fields May Be the Key to Black Hole Activity #116 This…

Magnetic Fields May Be the Key to Black Hole Activity #116 This artist’s conception of the core of Cygnus A shows the dusty donut-shaped surroundings, called a torus, and jets launching from its center. via NASA http://www.nasa.gov/image-feature/magnetic-fields-may-be-the-key-to-black-hole-activity

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#18ap Луна такая как бы говорит: “Вот памятник Петру…

#18ap Луна такая как бы говорит: “Вот памятник Петру Первому, посмотри, как он прекрасен!”

#растущаялуна #меркурийвскорпионе



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#18ap Между делом получил вдогонку к ученому званию доцента и…

#18ap Между делом получил вдогонку к ученому званию доцента и сам аттестат.

Что-то я сразу не похвастался, прям сплоховал.

#доцент #авас
#вак #воттак
Владислав Карелин

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Orion in Red and Blue #119 When did Orion become so flashy?…

Orion in Red and Blue #119 When did Orion become so flashy? This colorful rendition of part of the constellation of Orion comes from red light emitted by hydrogen and sulfur (SII), and blue-green light emitted by oxygen (OIII). Hues on the featured image were then digitally reassigned to be indicative of their elemental origins – but also striking to the human eye. The breathtaking composite was painstakingly composed from hundreds of images which took nearly 200 hours to collect. Pictured, Barnard’s Loop, across the image bottom, appears to cradle interstellar constructs including the intricate Orion Nebula seen just right of center. The Flame Nebula can also be quickly located, but it takes a careful eye to identify the slight indentation of the dark Horsehead Nebula. As to Orion’s flashiness – a leading explanation for the origin of Barnard’s Loop is a supernova blast that occurred about two million years ago. via NASA https://apod.nasa.gov/apod/ap181014.html

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The Falcon 9 Nebula #119 Not the Hubble Space Telescope’s…

The Falcon 9 Nebula #119 Not the Hubble Space Telescope’s latest view of a distant planetary nebula, this illuminated cloud of gas and dust dazzled even casual U.S. west coast skygazers on October 7. Taken about three miles north of Vandenberg Air Force Base, the image follows plumes and exhaust from the first and second stage of a SpaceX Falcon 9 rocket rising through southern California’s early evening skies. In the fading twilight, the reddish smoke drifting in the foreground at the right is from the initial ascent of the rocket. The expanding blue and orange filamentary plumes are from first and second stage separation and the first stage boostback burn, still in sunlight at extreme altitudes. But the bright spot below center is the second stage itself headed almost directly away from the camera, accelerating to orbital velocity and far downrange. Pulsed thrusters form the upside down V-shape at the top as they guide the reusable Falcon 9 first stage back to the landing site. via NASA https://apod.nasa.gov/apod/ap181012.html

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Sun Dance #119 Sometimes, the surface of our Sun seems to…

Sun Dance #119 Sometimes, the surface of our Sun seems to dance. In the middle of 2012, for example, NASA’s Sun-orbiting Solar Dynamic Observatory spacecraft imaged an impressive prominence that seemed to perform a running dive roll like an acrobatic dancer. The dramatic explosion was captured in ultraviolet light in the featured time-lapse video covering about three hours. A looping magnetic field directed the flow of hot plasma on the Sun. The scale of the dancing prominence is huge – the entire Earth would easily fit under the flowing arch of hot gas. A quiescent prominence typically lasts about a month, and may erupt in a Coronal Mass Ejection (CME) expelling hot gas into the Solar System. The energy mechanism that creates a solar prominence is still a topic of research. Unlike 2012, this year the Sun’s surface is significantly more serene, featuring fewer spinning prominences, as it is near the minimum in its 11-year magnetic cycle. via NASA https://apod.nasa.gov/apod/ap181010.html

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Comet 12P Between Rosette and Cone Nebulas #119 Small bits of…

Comet 12P Between Rosette and Cone Nebulas #119 Small bits of this greenish-gray comet are expected to streak across Earth’s atmosphere tonight. Specifically, debris from the eroding nucleus of Comet 21P / Giacobini-Zinner, pictured, causes the annual Draconids meteor shower, which peaks this evening. Draconid meteors are easy to enjoy this year because meteor rates will likely peak soon after sunset with the Moon’s glare nearly absent. Patience may be needed, though, as last month’s passing of 21P near the Earth’s orbit is not expected to increase the Draconids’ normal meteor rate this year of (only) a few meteors per hour. Then again, meteor rates are notoriously hard to predict, and the Draconids were quite impressive in 1933, 1946, and 2011. Featured, Comet 21P gracefully posed between the Rosette (upper left) and Cone (lower right) nebulas two weeks ago before heading back out to near the orbit of Jupiter, to return again in about six and a half years. via NASA https://apod.nasa.gov/apod/ap181008.html

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Aurora: The Frog’s View #119 What does an aurora look…

Aurora: The Frog’s View #119 What does an aurora look like to a frog? “Awesome!” is the likely answer, suggested by this imaginative snapshot taken on October 3rd from Kiruna, Sweden. Frequented by apparitions of the northern lights, Kiruna is located in Lapland north of the Arctic Circle, and often under the auroral oval surrounding planet Earth’s geomagnetic north pole. To create a tantalizing view from a frog’s perspective the photographer turned on the flashlight on her phone and placed it on the ground facing down, resting her camera’s lens on top. The “diamonds” in the foreground are icy pebbles right in front of the lens, lit up by the flashlight. Reflecting the shimmering northern lights, the “lake” is a frozen puddle on the ground. Of course, in the distance is the Bengt Hultqvist Observatory. via NASA https://apod.nasa.gov/apod/ap181006.html

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#43ap Wikipedia picture of the day on October 6, 2018: Young…

#43ap Wikipedia picture of the day on October 6, 2018:
Young Nubian ibex (Capra nubiana) on a stone wall by the edge of Makhtesh Ramon in Mitzpe Ramon, Israel.
Juvenile Nubian ibex in Mitzpe Ramon (40409).jpg.

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The Last Days of Venus as the Evening Star #119 That’s…

The Last Days of Venus as the Evening Star #119 That’s not a young crescent Moon poised above the hills along the western horizon at sunset. It’s Venus in a crescent phase. About 54 million kilometers away and less than 20 percent illuminated, it was captured by telescope and camera on September 30 near Bacau, Romania. The bright celestial beacon is now languishing in the evening twilight, its days as the Evening Star in 2018 coming to a close. But it also grows larger in apparent size and becomes an ever thinner crescent in telescopic views. Heading toward an inferior conjunction (non-judgmental), the inner planet will be positioned between Earth and Sun on October 26 and lost from view in the solar glare. At month’s end a crescent Venus will reappear in the east though, rising just before the Sun as the brilliant Morning Star. via NASA https://apod.nasa.gov/apod/ap181005.html

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The Creativity of Mother Nature #116 International Space Station…

The Creativity of Mother Nature #116 International Space Station Commander Alexander Gerst has a better view of our home planet than most. via NASA http://www.nasa.gov/image-feature/the-creativity-of-mother-nature

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#43ap Wikipedia picture of the day on October 2, 2018: Island in…

#43ap Wikipedia picture of the day on October 2, 2018:
Island in Monrepos Park in Vyborg, Russia.
Monrepos 0550.jpg.

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Hubble’s Galaxies With Knots, Bursts #116 In the northern…

Hubble’s Galaxies With Knots, Bursts #116 In the northern constellation of Coma Berenices lies the impressive Coma Cluster — a structure of over a thousand galaxies bound together by gravity. via NASA http://www.nasa.gov/image-feature/goddard/2018/hubbles-galaxies-with-knots-and-bursts

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Stars and Dust in Corona Australis #119 Cosmic dust clouds and…

Stars and Dust in Corona Australis #119 Cosmic dust clouds and young, energetic stars inhabit this telescopic vista, less than 500 light-years away toward the northern boundary of Corona Australis, the Southern Crown. The dust clouds effectively block light from more distant background stars in the Milky Way. But the striking complex of reflection nebulae cataloged as NGC 6726, 6727, and IC 4812 produce a characteristic color as blue light from the region’s young, hot stars is reflected by the cosmic dust. The dust also obscures from view stars still in the process of formation. At top right, smaller yellowish nebula NGC 6729 bends around young variable star R Coronae Australis. Near it, glowing arcs and loops shocked by outflows from embedded newborn stars are identified as Herbig-Haro objects. On the sky this field of view spans about 1 degree. That corresponds to almost 9 light-years at the estimated distance of the nearby star forming region. via NASA https://apod.nasa.gov/apod/ap180920.html

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#43ap Wikipedia picture of the day on September 20,…

#43ap Wikipedia picture of the day on September 20, 2018:
European Brown Bear (Ursus arctos arctos) at Whipsnade Zoo
European Brown Bear.jpg.

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First Light Data for NASA’s Parker Solar Probe #116 Just…

First Light Data for NASA’s Parker Solar Probe #116 Just over a month into its mission, NASA’s Parker Solar Probe has returned first-light data from each of its four instrument suites. These early observations show that each of the instruments is working well. via NASA http://www.nasa.gov/image-feature/first-light-data-for-nasas-parker-solar-probe

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Salt Pepper and Ice #119 There’s a “camera”…

Salt Pepper and Ice #119 There’s a “camera” comet now moving across the sky. Just a bit too dim to see with the unaided eye, Comet 21P / Giacobini-Zinner has developed a long tail that makes it a good sight for binoculars and sensitive cameras. The movement of the Comet 21P on the sky was captured last week in the featured time-lapse video compressing 90 minutes into about 2.5 seconds. What might seem odd is that the 21P’s tail is not following the comet’s movement. This is because comet tails always point away from the Sun, and the comet was not moving toward the Sun during the period photographed. Visible far in the background on the upper left is the Salt & Pepper star cluster, M37, while the bright red star V440 Auriga is visible just about the frame’s center. This 2-km ball of dust-shedding ice passed its nearest to the Sun and Earth only last week and is now fading as it crosses into southern skies. Comet 21P should remain visible, however, and photogenic to stabilized cameras, for another month or so. via NASA https://apod.nasa.gov/apod/ap180918.html

from WordPress https://vladislavkarelin.wordpress.com/2018/09/18/salt-pepper-and-ice-119-theres-a-camera/


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Марта Нуссбаум о демократии и образовании

В 2010 году в издательстве Принстонского университета вышла книга американского философа Марты Нуссбаум «Не ради прибыли: зачем демократии нужны гуманитарные науки», в которой она обосновывает важность общественных наук и искусств для всех уровней образования. 
В своем тексте Владислав Карелин предлагает критический взгляд на основные тезисы книги и объясняет, почему не стоит смешивать «гуманное» с «гуманитарным», а «демократию» со «свободой».

https://goo.gl/ymqDGs

Просвещение находится в кризисе на всех уровнях, от дошкольного до аспирантского

Порой можно услышать, что итоги образования среднего жителя нашей страны можно свести к набору из таблицы умножения, теоремы Пифагора, нескольких фрагментов из Пушкина и Достоевского, пары физических законов и химических формул. Все это затвержено назубок, но малополезно для работы и повседневной жизни. Выходит, что годы в школе, а после и в вузе — потерянное время: молодым специалистам приходится переобучаться, привыкая к реалиям, далеким от усвоенного в классах и аудиториях. 

Владислав Карелин, кандидат наук, доцент (Московский комсомолец): С нынешним российским образованием нужно расстаться

Биомеханоиды Ганса Гигера

В середине 1970-х режиссер Ридли Скотт работал над «Чужим» - наверное, самым знаковым фильмом жанра космического хоррора. Задумка казалась перспективной, не хватало главного — жуткого монстра-пришельца. Тогда сценарист фильма Дэн О’Бэннон вспомнил о своем приятеле Гансе-Руди Гигере — в то время уже известном швейцарском художнике. 

О’Бэннон показал Скотту книгу под названием «Некрономикон Гигера» — альбом репродукций, полный удивительно реалистичных изображений странных и страшных существ. Одни твари пришли из эротических снов, других сделали из запчастей неведомых машин, для внешности третьих было характерно и то и другое...

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