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“The hardest battle you are ever going to have to fight is the battle to be just you.”

— Leo Buscaglia

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You Are Made of Stardust

Though the billions of people on Earth may come from different areas, we share a common heritage: we are all made of stardust! From the carbon in our DNA to the calcium in our bones, nearly all of the elements in our bodies were forged in the fiery hearts and death throes of stars.

The building blocks for humans, and even our planet, wouldn’t exist if it weren’t for stars. If we could rewind the universe back almost to the very beginning, we would just see a sea of hydrogen, helium, and a tiny bit of lithium.

The first generation of stars formed from this material. There’s so much heat and pressure in a star’s core that they can fuse atoms together, forming new elements. Our DNA is made up of carbon, hydrogen, oxygen, nitrogen, and phosphorus. All those elements (except hydrogen, which has existed since shortly after the big bang) are made by stars and released into the cosmos when the stars die.

Each star comes with a limited fuel supply. When a medium-mass star runs out of fuel, it will swell up and shrug off its outer layers. Only a small, hot core called a white dwarf is left behind. The star’s cast-off debris includes elements like carbon and nitrogen. It expands out into the cosmos, possibly destined to be recycled into later generations of stars and planets. New life may be born from the ashes of stars.

Massive stars are doomed to a more violent fate. For most of their lives, stars are balanced between the outward pressure created by nuclear fusion and the inward pull of gravity. When a massive star runs out of fuel and its nuclear processes die down, it completely throws the star out of balance. The result? An explosion!

Supernova explosions create such intense conditions that even more elements can form. The oxygen we breathe and essential minerals like magnesium and potassium are flung into space by these supernovas.

Supernovas can also occur another way in binary, or double-star, systems. When a white dwarf steals material from its companion, it can throw everything off balance too and lead to another kind of cataclysmic supernova. Our Nancy Grace Roman Space Telescope will study these stellar explosions to figure out what’s speeding up the universe’s expansion. 

This kind of explosion creates calcium – the mineral we need most in our bodies – and trace minerals that we only need a little of, like zinc and manganese. It also produces iron, which is found in our blood and also makes up the bulk of our planet’s mass!

A supernova will either leave behind a black hole or a neutron star – the superdense core of an exploded star. When two neutron stars collide, it showers the cosmos in elements like silver, gold, iodine, uranium, and plutonium.

Some elements only come from stars indirectly. Cosmic rays are nuclei (the central parts of atoms) that have been boosted to high speed by the most energetic events in the universe. When they collide with atoms, the impact can break them apart, forming simpler elements. That’s how we get boron and beryllium – from breaking star-made atoms into smaller ones.

Half a dozen other elements are created by radioactive decay. Some elements are radioactive, which means their nuclei are unstable. They naturally break down to form simpler elements by emitting radiation and particles. That’s how we get elements like radium. The rest are made by humans in labs by slamming atoms of lighter elements together at super high speeds to form heavier ones. We can fuse together elements made by stars to create exotic, short-lived elements like seaborgium and einsteinium.

From some of the most cataclysmic events in the cosmos comes all of the beauty we see here on Earth. Life, and even our planet, wouldn’t have formed without them! But we still have lots of questions about these stellar factories. 

In 2006, our Stardust spacecraft returned to Earth containing tiny particles of interstellar dust that originated in distant stars, light-years away – the first star dust to ever be collected from space and returned for study. You can help us identify and study the composition of these tiny, elusive particles through our Stardust@Home Citizen Science project.

Our upcoming Roman Space Telescope will help us learn more about how elements were created and distributed throughout galaxies, all while exploring many other cosmic questions. Learn more about the exciting science this mission will investigate on Twitter and Facebook.

Make sure to follow us on Tumblr for your regular dose of space!

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I found Polaroid film from 1985 and used it for someone very special, and close to my heart at Pacific University in 2020. I can't believe I lost this photo for a very long time, ahhhh!

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“You are the natural beauty who captivates me every day.”

— -@internalearthquake (via internalearthquake)

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from Mary Ruefle’s On Imagination

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for those going out to demonstrations: i collected some common info and put it into a zine. it fits on an 8.5 x 11 in sheet of printer paper, and is b/w friendly. see the link below to print: 

ptzine.carrd.co

UPDATED JUNE 1, 2020! please see ptzine.carrd.co for latest version!

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“Real love is always chaotic. You lose control; you lose perspective. You lose the ability to protect yourself. The greater the love, the greater the chaos. It’s a given and that’s the secret.”

— Jonathan Carroll (via quotemadness)

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Today marks the first day of Pride 2020.

It also marks the seventh day of protests held in honor of George Floyd, Breonna Taylor, and Ahmaud Arbery. It’s been 634 days since Botham Jean was murdered by a police officer, 233 days since Atatiana Jefferson was fatally shot by a police officer, 2,123 days since Michael Brown was fatally shot by a police officer, and 2,146 days since Eric Garner was choked to death by a police officer. 

It has been five days since Tony McDade, a Black trans man from Florida, was shot and killed by a police officer.  

At the time of this post, it has been almost 19 hours since David McAtee was shot and killed by the authorities. 

This week has served as a stark reminder that those who have power in this country wield it recklessly and violently against Black people, non-Black POC, and trans people. For some, the power is found in their badge. In others, it’s their skin tone, their socio-economic status, their cisgender privileges, or any other number of privileges one can have. In 2018, with at least 26 trans people who were murdered, all but one was a trans woman, and all but one was a person of color. According to data collected by Human Rights Campaign, this pattern is all too common. It should also be noted that the number of trans people who are murdered is grossly underreported, with many families and newspapers often misgendering those who can no longer speak up for themselves. 

On June 28, 1969, the Stonewall riots began as a response to the constant police raids of nightlife establishments frequented by the LGBTQIA+ community. That night sparked a revolution, with many eye-witnesses crediting Black and Latinx trans women for being brave enough to ignite what would become one of the most pivotal nights in LGBTQIA+ history. Without Marsha P. Johnson and Sylvia Rivera, there would have been no uprising. Without them, there would be no Pride. 

At this moment, it would be tone-deaf and insensitive to commemorate Pride in the same celebratory fashion we usually do. Instead, we’re asking you to make the commitment to better the lives of the oppressed. Do the work to become actively anti-racist if you are not Black. Spread the word that Black lives matter. Spread the word that trans people deserve to feel safe wherever they go. Reblog this post, make your own, or find someone in your life who doesn’t understand and do your best to make them understand. Donate if you can. 

The first Pride was a riot. We stand with you.

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also celebrate George Floyd’s life. he was truly a beautiful, kind, and caring individual. i wish his family so much healing and that they get the justice they deserve.

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“Good sense is of all things in the world the most equally distributed, for everybody thinks he is so well supplied with it, that even those most difficult to please in all other matters never desire more of it than they already possess.”

— Rene Descartes, Discourse on the Method

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“The truth just hurts less when it is not parading around in front of us. See, I only doused myself in gasoline when you handed me that match because I was tired of being a metaphor. I mean, why is it always about burning? We never did find that bridge. Never did burn it down.”

— Sabrina Benaim, How to Unfold a Memory

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black lives matter and pride are intrinsically linked. the black trans community have done so much for us, we owe it to them to not forget their movement this month. without black lives, there would be no pride. black lives matter, today and always

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“If you live to be a hundred, I want to live to be a hundred minus one day so I never have to live without you.”

— A.A. Milne (via quotemadness)

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HOW TO DONATE TO BLM WHEN YOU HAVE NO MONEY

a black woman named zoe amira posted a video on youtube. this video is an hour long and filled with art and music from black creators. it has a ton of ads, and in result will rack up a ton of revenue. 100% of the ad revenue from the video will be dispersed between various blm organizations, including bail-out funds for protesters. it will be split between the following, dependent on necessity

brooklyn bail fund

minnesota freedom fund

atlanta action network

columbus freedom fund

louisville community bail fund

chicago bond

black visions collective

richmond community bail fund

the bail project inc

nw com bail fund

philadelphia bail fund

the korchhinski-parquet family gofundme

george floyd’s family gofundme

blacklivesmatter.com

reclaim the block

aclu

turn off your adblocker and put the video on repeat. do not skip ads. let it play on loop whether you’re listening or not. mute the tab if you need to focus elsewhere. but let. it. play.

youtube will donate to blm for you.

please, please reblog. for people who don’t have money to spare, this is incredibly important information to have.