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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