Wow, Mars Is One Of The Closest Planets To Us XD

It’s easy to forget that thousands of comets, asteroids, and meteors are near us everyday. They seem like such a rarity.

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Cosmonaut Ivan Vagner obtained this image of the comet NEOWISE a few hours ago from the International Space Station. He says that the dust tail looks very good from there. It is worth enlarging the image.

via reddit

Escape velocity!!!!!!!

I.e. the velocity that an object must attain before being able to resist an object’s gravitational pull and escape it’s influence.

Please get this.

Beautiful :o

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Clearest Picture of mercury ever taken

via reddit

Okay, that is really funny lol

Also - I’m back from my self-imposed vacation! I’m drafting the next chapter and starting my post schedule tomorrow, so look forward to new content coming soon!

I hope you’re all doing well :)

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Here’s some physics.

Woah :o

That is soooooooo cool!

I don’t do excess research into exoplanets - like I do stars - but wow. Isn’t it just amazing how much information we can get from such a far object??? Science has really come so far, it brings a single tear to my eye ;)

I’ll definitely be on the lookout for more info!

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YALE’S EXPRES LOOKS TO THE SKIES OF A SCORCHING, DISTANT PLANET

Yale technology is giving astronomers a closer look at the atmosphere of a distant planet where it’s so hot the air contains vaporized metals.

The planet, MASCARA-2 b, is 140 parsecs from Earth – or roughly 2.68 quadrillion miles. It’s a gas giant, like Jupiter. However, its orbit is 100 times closer to its star than Jupiter’s orbit is to our Sun.

The atmosphere of MASCARA-2 b reaches temperatures of more than 3,140 degrees Fahrenheit, putting it on the extreme end of a class of planets known as hot Jupiters. Astronomers are keenly interested in hot Jupiters because their existence had been unknown until 25 years ago and they may offer new information about the formation of planetary systems.

“Hot Jupiters provide the best laboratories for developing analysis techniques that will one day be used to search for biosignatures on potentially habitable worlds,” said Yale astronomer Debra Fischer, the Eugene Higgins Professor of Astronomy and co-author of a new study that has been accepted by the journal Astronomy and Astrophysics.

Fischer is the guiding force behind the instrument that made the discovery possible: the Extreme PREcision Spectrometer (EXPRES), which was built at Yale and installed on the 4.3-meter Lowell Discovery Telescope near Flagstaff, Ariz.

The primary mission of EXPRES is finding Earth-like planets based on the slight gravitational influence they have on their stars. This precision also comes in handy when looking for atmospheric details of far-away planets, the researchers said.

Here’s how it works.

As MASCARA-2 b crosses the direct line of sight between its host star and Earth, elements in the planet’s atmosphere absorb starlight at specific wavelengths – leaving a chemical fingerprint. EXPRES is able to pick up those fingerprints.

Using EXPRES, Yale astronomers and colleagues from the Geneva Observatory and Bern University in Switzerland, as well as the Technical University of Denmark, found gaseous iron, magnesium, and chromium in MASCARA-2 b’s atmosphere.

“Atmospheric signatures are very faint and difficult to detect,” said co-author Sam Cabot, a graduate student in astronomy at Yale and leader of the study’s data analysis. “Serendipitously, EXPRES offers this capability, since you need very high-fidelity instruments to find planets outside our own solar system.”

The study’s lead author, astronomer Jens Hoeijmakers of the Geneva Observatory, said EXPRES also found evidence of different chemistry between the “morning” and “evening” sides of MASCARA-2 b.

“These chemical detections may not only teach us about the elemental composition of the atmosphere, but also about the efficiency of atmospheric circulation patterns,” Hoeijmakers said.

Along with other advanced spectrometers such as ESPRESSO, built by Swiss astronomers in Chile, EXPRES is expected to collect a wealth of new data that may dramatically advance the search for exoplanets – planets orbiting stars other than our own Sun.

“The detection of vaporized metals in the atmosphere of MASCARA-2 b is one of the first exciting science results to emerge from EXPRES,” Fischer said. “More results are on the way.”

This was such a pretty poem that I had to reblog :)

But really, it’s 100% accurate. We are star-stuff.

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Omg ;D

I love that so much.

Now I really want Magical Girls who represent each stage in a star’s life. Where’s my Magical Girl Neutron Star!?

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concept: team of magical girls who each study a different branch of chemistry at university and their magical powers are based on their branch of study. watch out for physchem, she can do weird quantum shit

Einstein ... thank.

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Herr Einstein…

True.

Iron actually takes more energy to fuse than it releases, so the inward pressure needed to keep the star from collapsing isn’t enough when it’s mainly fusing iron, and then it collapses.

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When Stars Die…….

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