It’s Easy To Forget That Thousands Of Comets, Asteroids, And Meteors Are Near Us Everyday. They Seem

This basically sums it up.

Well, it doesn’t show the other things stars can be after their deaths. But it was a nice video :)

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I mean, the song really isn’t accurate.

Also that’s a bit unfair. I’m pretty super that’s a Red Super Giant. Not all stars are that huge xD (even though I’d wouldn’t describe any star as “little”)

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Little star : am I a joke to you?

Omg xD

It’s true though. Do you believe in a flat Earth? Look up at the moon. See that curvature? If the Earth were flat it’d just be a straight line, running across the moon.

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what you think? is this post right?

Lookin’ Good!

I’ve been wanting to be an Astronaut for Halloween but sadly I live in Florida and the heat might suffocate me in a full suit! Perhaps a nice NASA shirt and hat and maybe a fake ID badge and I can go as a scientist :D

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Artemis Generation Spacesuit Event : Amy Ross, a spacesuit engineer at Johnson Space Center, NASA Administrator Jim Bridenstine, watch as Kristine Davis and Dustin Gohmert wear prototype spacesuits. (via NASA)

It’s alive ALIVE!!!!!

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Hubble Takes Closer Look at Not-So-‘Dead’ Neighbor : Because they lack stellar nurseries and contain mostly old stars, elliptical galaxies — Like Messier 110 — are often considered “dead” when compared to their spiral relatives. But scientists have spotted signs of a population of young, blue stars at Messier 110’s center, hinting that this neighbor of our Milky Way may not be so “dead” after all. (via NASA)

Woah :O

COOOOOLLL

I’ve never gotten to see a full solar eclipse, just a partial one that happened a few years ago. 

Maybe I’ll have better luck in the future?

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Traveling for 4 days, Just to See 30 Seconds of The Full Annular Eclipse! It Was worth All the Effort!

via reddit

More nebulae!!!

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M27: Not a Comet : While hunting for comets in the skies above 18th century France, astronomer Charles Messier diligently kept a list of the things he encountered that were definitely not comets. This is number 27 on his now famous not-a-comet list. In fact, 21st century astronomers would identify it as a planetary nebula, but it’s not a planet either, even though it may appear round and planet-like in a small telescope. Messier 27 (M27) is an excellent example of a gaseous emission nebula created as a sun-like star runs out of nuclear fuel in its core. The nebula forms as the star’s outer layers are expelled into space, with a visible glow generated by atoms excited by the dying star’s intense but invisible ultraviolet light. Known by the popular name of the Dumbbell Nebula, the beautifully symmetric interstellar gas cloud is over 2.5 light-years across and about 1,200 light-years away in the constellation Vulpecula. This impressive color composite highlights details within the well-studied central region and fainter, seldom imaged features in the nebula’s outer halo. It incorporates broad and narrowband images recorded using filters sensitive to emission from hydrogen and oxygen atoms. via NASA

INTRODUCTION TO THE LIFE OF A STAR

The yellow dwarf of our Sun is around 4.5 billion years old (NASA).

   This is nothing compared to other stars, the oldest we know of was created 13.2 billion years ago (DISCOVERY OF THE 1523-0901).  Shortly before that, it is theorized the universe was a dense ball of super hot subatomic particles, until it wasn't. 

     For some reason, possibly the amounts of pressure or even the mysterious dark energy, the universe exploded into what it is today, forming crucial atoms and molecules, and continues to expand. These molecules formed clumps and clouds of gas, which eventually collapsed by gravity and created the very first stars. 

    Stars, particularly our Sun, are very important to life and affect the void of space to a great magnitude. They can tell us so much about the early universe, form elements from their deaths, and even create black holes. But how did this come to be?

     By definition, they are "huge celestial bodies made mostly of hydrogen and helium that produce light and heat from the churning nuclear forges inside their cores." (National Geographic) And there are TONS of them. There are stars everywhere we look. In fact, Astrophysicists aren't even sure how many stars there actually ARE in the universe (Space)! That's because they're not sure if the universe is infinite - in which the number of stars would also be infinite. Even so, we may not be able to detect them all, even if the number is finite.

     But they're so much more than a definition or a number. Stars aren't just objects: they're histories. Stars have a life, they are born, fuel themselves on nuclear fusion, and when they can no longer -  there are many ways their deaths can go (in brutal, yet tantalizing ways). They form solar systems, galaxies, galaxy clusters, and might just be the life-blood of the universe. Their light acts as beacons to scientists. Stars are so crucial to us, their deaths through Supernovas form most of the elements on the Periodic Table of the Elements.

    As the brilliant cosmologist, Carl Sagan, once said: "The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of star-stuff."

    And if we're made of this stuff, shouldn't we at least try to understand what it actually does?

Next - Chapter 2: Classification

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I’m re-watching Crash Course: Astronomy for about the 10 x 10^23 time

Want to join me?

It’s one of my favorites :)

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Max Planck, you absolute boss

Btw there’s always something left in physics to discover. Going from nothing left to discover to quantum theory is a huge leap though, because quantum has PLENTY to figure out.

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Oof