high mass stars

Recognize that the very molecules that make up your body, the atoms that construct the molecules, are traceable to the crucibles that were once the centers of high mass stars that exploded their chemically rich guts into the galaxy, enriching pristine gas clouds with the chemistry of life. So that we are all connected to each other biologically, to the earth chemically, and to the rest of the universe atomically. That’s kinda cool! That makes me smile and I actually feel quite large at the end of that. It’s not that we are better than the universe, we are part of the universe. We are in the universe and the universe is in us.
—  Neil deGrasse Tyson

“Recognize that the very molecules that make up your body, the atoms that construct the molecules, are traceable to the crucibles that were once the centers of high mass stars that exploded their chemically rich guts into the galaxy, enriching pristine gas clouds with the chemistry of life. So that we are all connected to each other biologically, to the earth chemically and to the rest of the universe atomically. That’s kinda cool! That makes me smile and I actually feel quite large at the end of that. It’s not that we are better than the universe, we are part of the universe. We are in the universe and the universe is in us.”
Neil deGrasse Tyson

Recognize that the very molecules that make up your body, the atoms that construct the molecules, are traceable to the crucibles that were once the centers of high mass stars that exploded their chemically rich guts into the galaxy, enriching pristine gas clouds with the chemistry of life.
So that we are all connected to each other biologically, to the earth chemically and to the rest of the universe atomically.
That’s kinda cool! That makes me smile and I actually feel quite large at the end of that. It’s not that we are better than the universe, we are part of the universe. We are in the universe and the universe is in us.

~ Neil deGrasse Tyson

[Image: Pierre Jean-Louis]

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Happy 4th of July to my fellow Americans!
I hope y'all are having (safe) fun with your fireworks. Here’s some of natures “fireworks”
Above are images of various supernova remnants.
In a nutshell, a supernova is when a high mass star dies. They create insane levels of radiation (including gamma rays bursts that could kill us all in the blink of an eye) and are energetic enough to create the entire periodic table in that explosion. When a supernova occurs, it outshines its entire galaxy. If a nearby supernova were to occur, chances are high that it’d be bright enough to witness in the day time.
Also, you may have heard people say that “we are star stuff” and this is the main reason why that is true. Every single cell and molecule in your body contains elements created by a supernova.
While you’re celebrating (or not, particularly if you’re not from the US), appreciate natures fireworks and be glad your little fireworks are nothing compared to a supernova. :P

“Recognize that the very molecules that make up your body, the atoms that construct the molecules, are traceable to the crucibles that were once the centers of high mass stars that exploded their chemically rich guts into the galaxy, enriching pristine gas clouds with the chemistry of life. So that we are all connected to each other biologically, to the earth chemically and to the rest of the universe atomically. That’s kinda cool! That makes me smile and I actually feel quite large at the end of that. It’s not that we are better than the universe, we are part of the universe. We are in the universe and the universe is in us.”


- Neil deGrasse Tyson

Recognize that the very molecules that make up your body, the atoms that construct the molecules, are traceable to the crucibles that were once the centers of high mass stars that exploded their chemically rich guts into the galaxy, enriching pristine gas clouds with the chemistry of life. So that we are all connected to each other biologically, to the earth chemically and to the rest of the universe atomically. That’s kinda cool! That makes me smile and I actually feel quite large at the end of that. It’s not that we are better than the universe, we are part of the universe. We are in the universe and the universe is in us.
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“Yes, the universe had a beginning. Yes, the universe continues to evolve. And yes, every one of our body’s atoms is traceable to the Big Bang and to the thermonuclear furnaces within high-mass stars. We are not simply in the universe, we are part of it. We are born from it. One might even say that the universe has empowered us, here in our small corner of the cosmos, to figure itself out. And we have only just begun.” - Neil DeGraase Tyson, Origins

The Orion Nebula might have a black hole, according to an international team of astrophysicists.  They made their announcement November 1, 2012 in the Astrophysical Journal.

An international team of astrophysicists – led by Dr. Ladislav Subr of Charles University in Prague – set up a computer model of the Orion Nebula Cluster.  The model required a new method of dealing with the gas in this region of space and the way it is driven out from the young star cluster by the intensely radiating high-mass stars of the Trapezium.  The model showed that, as the gas was being driven outwards, the cluster began to expand.  That explained why most stars in the Orion Nebula Cluster move so rapidly. Many of the heavy stars were sling-shot out of the cluster, while some were driven into the center of the cluster and collided with the most massive star there. At some point, this massive star became unstable and imploded into a black hole, with a mass about 200 times larger than the sun.

“Recognize that the very molecules that make up your body, the atoms that construct the molecules, are traceable to the crucibles that were once the centers of high mass stars that exploded their chemically rich guts into the galaxy, enriching pristine gas clouds with the chemistry of life. So that we are all connected to each other biologically, to the earth chemically and to the rest of the universe atomically. That’s kinda cool! That makes me smile and I actually feel quite large at the end of that. It’s not that we are better than the universe, we are part of the universe. We are in the universe and the universe is in us.”

― Neil deGrasse Tyson

Hunting high-mass stars with Herschel

In this new view of a vast star-forming cloud called W3, ESA’s Herschel space observatory tells the story of how massive stars are born. W3 is a giant molecular cloud containing an enormous stellar nursery, some 6,200 light-years away in the Perseus Arm, one of our Milky Way Galaxy’s main spiral arms.

Spanning almost 200 light-years, W3 is one of the largest star-formation complexes in the outer Milky Way, hosting the formation of both low- and high-mass stars. The distinction is drawn at eight times the mass of our own Sun: above this limit, stars end their lives as supernovas.

Dense, bright blue knots of hot dust marking massive star formation dominate the upper left of the image in the two youngest regions in the scene: W3 Main and W3 (OH). Intense radiation streaming away from the stellar infants heats up the surrounding dust and gas, making it shine brightly in Herschel’s infrared-sensitive eyes.

By studying the two regions of massive star formation – W3 Main and W3 (OH) – scientists have made progress in solving one of the major conundrums in the birth of massive stars. That is, even during their formation, the radiation blasting away from these stars is so powerful that they should push away the very material they are feeding from. If this is the case, how can massive stars form at all?

Observations of W3 point toward a possible solution: in these very dense regions, there appears to be a continuous process by which the raw material is moved around, compressed and confined, under the influence of clusters of young, massive protostars.

Through their strong radiation and powerful winds, populations of young high-mass stars may well be able to build and maintain localised clumps of material from which they can continue to feed during their earliest and most chaotic years, despite their incredible energy output.

Image credit: ESA/PACS & SPIRE consortia, A. Rivera-Ingraham & P.G. Martin, Univ. Toronto, HOBYS Key Programme (F. Motte)

occasionally when high mass stars collapse and cause super or hypenovae, ether sometimes release what is called a Gamma Ray Burst. a gamma ray burst releases as much energy as the sun will produce in its entire lifetime, in a single instant, in a beam of pure radiation that travels at the speed of light, undetectable by any equipment. if one of those beams were to hit the earth, it would immediately raze and glass and evaporate one half of the surface. the other half of the earth would be subjected to a super thin atmosphere, as whatever gas is left rushes to fill the new vacuum. with less gas in the atmosphere the surface would begin being pelted by meteors that were previously burnt up by the thicker atmospheric gases. a weakened and depleted ozone layer would fail to filter out harmful UV radiation from the sun, and the electromagnetic energy from the beam would temporarily disrupt earths electromagnetic field that helps deflect solar wind, leaving us open to more radiation. it would truly be Armageddon, the sky would be on fire and the earth would shrivel up and humanity could not possibly survive for long.

you might get lucky and be on the side of earth that got hit with the burst and be vaporized in less than an instant. and given that we haven’t seen every star in the universe and don’t know the range of these bursts, one could hit us at any given moment. so, with that being said, it’s Friday, you should have some cake and enjoy yourself. i’m going to go kiss my special person.