virginia-fields

The spectacular new camera installed on NASA’s Hubble Space Telescope during Servicing Mission 4 in May has delivered the most detailed view of star birth in the graceful, curving arms of the nearby spiral galaxy M83.

Nicknamed the Southern Pinwheel, M83 is undergoing more rapid star formation than our own Milky Way galaxy, especially in its nucleus. The sharp “eye” of the Wide Field Camera 3 (WFC3) has captured hundreds of young star clusters, ancient swarms of globular star clusters, and hundreds of thousands of individual stars, mostly blue supergiants and red supergiants.

The image, taken in August 2009, provides a close-up view of the myriad stars near the galaxy’s core, the bright whitish region at far right.

WFC3’s broad wavelength range, from ultraviolet to near-infrared, reveals stars at different stages of evolution, allowing astronomers to dissect the galaxy’s star-formation history.

The image reveals in unprecedented detail the current rapid rate of star birth in this famous “grand design” spiral galaxy. The newest generations of stars are forming largely in clusters on the edges of the dark dust lanes, the backbone of the spiral arms. These fledgling stars, only a few million years old, are bursting out of their dusty cocoons and producing bubbles of reddish glowing hydrogen gas.

The excavated regions give a colorful “Swiss cheese” appearance to the spiral arm. Gradually, the young stars’ fierce winds (streams of charged particles) blow away the gas, revealing bright blue star clusters. These stars are about 1 million to 10 million years old. The older populations of stars are not as blue.

A bar of stars, gas, and dust slicing across the core of the galaxy may be instigating most of the star birth in the galaxy’s core. The bar funnels material to the galaxy’s center, where the most active star formation is taking place. The brightest star clusters reside along an arc near the core.

The remains of about 60 supernova blasts, the deaths of massive stars, can be seen in the image, five times more than known previously in this region. WFC3 identified the remnants of exploded stars. By studying these remnants, astronomers can better understand the nature of the progenitor stars, which are responsible for the creation and dispersal of most of the galaxy’s heavy elements.

M83, located in the Southern Hemisphere, is often compared to M51, dubbed the Whirlpool galaxy, in the Northern Hemisphere. Located 15 million light-years away in the constellation Hydra, M83 is two times closer to Earth than M51.

Object Name: M83

Image Type: Astronomical

Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA)

Acknowledgment: R. O'Connell (University of Virginia) and the Wide Field Camera 3 Science Oversight Committee

Time And Space

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I didn´t include Susie because I felt like I already done her in a way :P Click pictures for name and date lol

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Tartt family photo, 1928, West Virginia. Photo courtesy of the Tartt Family.

This picture taken in the Spring of 1928 is of my grandmother, Lucy Tartt, grandfather, Simmie Tartt, and uncle Arthur Tartt. Although a simple studio photo, it embodies all the stories my mother told about her upbringing in a small coal camp house at the intersections of Lewis Street and Lehman Avenue in Fairmont, West Virginia in the 1940s. Mom had few photos of her parents. Nonetheless, the truths and travails of Mama Lucy, her brood of 15 children, her beloved siblings in far off Baltimore, and, especially, my grandfather who had been tragically killed, leapt off the paper and into the imaginations of us kids as we felt the plastic that kept it safe in the album, and sometimes held it in our hands. Those stories have stayed with me through my 46 years. When I began to research my family’s enslaved past and prior existence as people on the African continent, it was the stories sparked by this photo that unerringly lead the way from the coal camps of northern West Virginia to the cotton fields of Society Hill, South Carolina. Remembered tones of voice and shifts in conversation as she told and retold the stories guided both heart and intellect as I reconnected through DNA testing with individuals from the Guinea-Bissaun ethnicities from whom my fourth great grandmother likely came. Mom’s oral testimony on this side of an African continuum spanning millennia resonated with the realities of folks on the continent today with stories of their own, stories which very often overlooked the details of the chapters concerning transatlantic slavery. Those untold stories are as much a part of us as is this picture; both affirmations not only of the strength of my grandparents, but also of the hope of those who came before them who, if they can’t be known, must at least be remembered.

Story from Nathan Hinton 

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The week, explained: a shooter, sanctions, Sessions, and more
The spiral of vitriol in American politics reached its limits this week as a horrific shooting brought members of Congress together across party lines — and the spirit of bipartisanship remained more than symbolic as a cross-party deal on new sanctions passed the Senate by an overwhelming margin. At the same time, the basic elements of partisan conflict — the Republican Party’s drive to cut back the welfare state and the investigations into Donald Trump’s links with Russia — continued to drive forward on a number of fronts. James T. Hodgkinson, a 66-year-old from Illinois with a history of domestic violence and left-wing politics, opened fire Wednesday morning in Alexandria, Virginia, on a baseball field where congressional Republicans were practicing in advance of an annual Democrats-versus-Republicans charity baseball game. Read more

Nicknamed the Southern Pinwheel, M83 is undergoing more rapid star formation than our own Milky Way galaxy, especially in its nucleus. The sharp “eye” of the Wide Field Camera 3 (WFC3) has captured hundreds of young star clusters, ancient swarms of globular star clusters, and hundreds of thousands of individual stars, mostly blue supergiants and red supergiants.

WFC3’s broad wavelength range, from ultraviolet to near-infrared, reveals stars at different stages of evolution, allowing astronomers to dissect the galaxy’s star-formation history.

The image reveals in unprecedented detail the current rapid rate of star birth in this famous “grand design” spiral galaxy. The newest generations of stars are forming largely in clusters on the edges of the dark dust lanes, the backbone of the spiral arms. These fledgling stars, only a few million years old, are bursting out of their dusty cocoons and producing bubbles of reddish glowing hydrogen gas.

The excavated regions give a colorful “Swiss cheese” appearance to the spiral arm. Gradually, the young stars’ fierce winds (streams of charged particles) blow away the gas, revealing bright blue star clusters. These stars are about 1 million to 10 million years old. The older populations of stars are not as blue.

A bar of stars, gas, and dust slicing across the core of the galaxy may be instigating most of the star birth in the galaxy’s core. The bar funnels material to the galaxy’s center, where the most active star formation is taking place. The brightest star clusters reside along an arc near the core.

The remains of about 60 supernova blasts, the deaths of massive stars, can be seen in the image, five times more than known previously in this region. WFC3 identified the remnants of exploded stars. By studying these remnants, astronomers can better understand the nature of the progenitor stars, which are responsible for the creation and dispersal of most of the galaxy’s heavy elements.

M83, located in the Southern Hemisphere, is often compared to M51, dubbed the Whirlpool galaxy, in the Northern Hemisphere. Located 15 million light-years away in the constellation Hydra, M83 is two times closer to Earth than M51.

Object Name: M83

Image Type: Astronomical

Credit: NASA, ESA, and the Hubble Heritage Team (STScI/AURA), R. O'Connell (University of Virginia) and the Wide Field Camera 3 Science Oversight Committee

Time And Space

anonymous asked:

How did the introduction of the standard 4x8 sheet of plywood and its concomitant savings in cost and ease of construction inflame the poor proportions of today's homes?

It was actually the balloon frame method of building that was the catalyst for this. The balloon frame method of construction allowed houses to break free from the simplicity inherent in previous construction methods (namely the post and beam method). Creative house shapes were reserved for those who were rich enough to build their houses out of stone and other masonry.

Wooden structures are cheap, and when the balloon frame method proved to be cheap and flexible, that’s when houses started to be built in crazy shapes that weren’t feasible with the old method.

That’s why residential styles after 1800 were so much crazier than the styles proceeding.

Sources: McAlester, Virginia. A Field Guide to American Houses, 2nd ed. NY: Knopf, 2013.