Isn't this just bonkers?

A massive gamma-ray burst went off in space recently and it was so strong, that it ionised the upper parts of Earth's atmosphere, changing how radio waves propagate through it. Detectors in India, Germany and UK observed this change 👇

#GRB221009 Several plots all pasted on...Several plots all pasted on...
Image credits for the above (which I just cut and pasted into a single image file) are from Indian Lightning Detection Network and The VLF-monitor at Todmorden (UK).

#GRB221009
Folks who work in these fields have mentioned that it is likely due to the collapse of a massive star, giving birth to a black hole, about 2 billion years ago.

Kinda blew my mind how it affects Earth's atmosphere so much!



#GRB221009
Data (~10 hrs) from the orbiting Fermi Large Area Telescope shows gamma-ray light of the #GRB221009 event.

(that diagonal line is the Milky Way plane)

📸 NASA/DOE/Fermi LAT Collaboration

[alt-text: the bright, sudden appearance of a central point-like structure of light]
There are even some reports that amateur / ProAm astronomers have been able to catch the optical counterpart signal of #GRB221009 (not sure if these observations have been confirmed/vetted by astro community, at this stage though?)

Def. looking forward to reading the papers on this big event in the not too distant future!
oh lol, wait until you see what today's @apod is ... jinx!
whoa, adding this to this thread.

That remarkable Gamma-Ray Burst that happened ~2 billion years ago and hit our atmosphere, affecting radio signals, was imaged by @ESA_XMM and shows an echo of X-rays scattering off interstellar dust in marvellous rings

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More from @CosmicRami

Oct 20
Look, I don’t mean to alarm anyone but those #JWST images of the ‘Pillars of Creation’ are now downloadable and public!

A little processing job I just did on them … gosh, these structures are glorious, aren’t they?!

NIRCAM/F187N

📸 KM Pontoopidan/JWST/STScI/ESA/NASA Astrophotograph of a large,...
I used three colour pallets to process the above #JWST image. Three horizontal boxes show...
I mean, c’mon! Look at this thing! #JWST 😍😍😍 A large, nebulous puffy clo...
Read 4 tweets
Jul 14
anybody else finding themselves going back to look at the intricate details of the #JWST images?

Sorry, I know some of you are maybe bored with this, but I keep seeing new things!

Like, I never paid attention before, but the tree-ring like structures of the planetary nebula! semi-circle nebulous structure showing a blue hollow-ish cor
Or what looks like that thin dust line, in the edge on spiral galaxy behind the planetary nebula.

You can see its core hub region. This reminds me of the needle galaxy a lot! an edge on spiral galaxy that looks like a narrow line of br
And this galaxy, in Stephan's Quintet .... how you can see the individual sources of light (?), and how its central supermassive black hole is nowhere near as bright as the other galaxies, even though the other galaxies are many times further away. oval shaped translucent galaxy filled with lots of individua
Read 6 tweets
Jul 12
I mean, this is incredible!

THERE ARE GAY RAINBOWS ALL THE WAY BACK TO THE START OF TIME!

#JWST #UnfoldTheUniverse Spectra of a distant galaxy, which is represented in a small
OMG

OMG

OMFG

GALAXIES! ❤❤❤❤

STEPHEN'S QUINTET!

😭😭😭

#JWST #UnfoldTheUniverse Five galaxies all interacting with each other amongst a dens
Read 9 tweets
Jul 12
I know a few people were pretty shitty about the first JWST image going out early (they have reasons, I get it), but seeing the reactions to this vid (check out the QTs and replies) has really got LOTS of folks talking and thinking about our place in the Universe - this is good!
The main reactions have been:

"We are sooooo not alone in the Universe / there are aliens out there"

"Holy, shit, wow!"

"This is terrifying, we are so insignificant"

"We should stop fighting amongst ourselves, look at this perspective"
I have been the same!

The whole day, I have been unable to properly focus on my job as I have had my mind in this image the whole time.

And you know what - I AM GLAD THAT ONE IMAGE WAS RELEASED FIRST!

Christ, imagine the overload of all 5 images at once ... meltdown!
Read 8 tweets
Jul 11
I mean, look at them.

Look at all of them.

Each galaxies with hundreds of billions of stars. The curved arcs are of galaxies that are even further behind, that the foreground galaxy's gravity warps and bends their light to us.

So friggen beautiful.

(zoomed in on top right) lots of  orange and red gal...
I love you distant warped spiral and I will avenge you.

#JWST galaxy that is warped and s...
Dreamy, fluffy, face on spiral.

You are also very good - with your perfectly wrapped arms.

#JWST white spiral galaxy, seen f...
Read 5 tweets
Aug 23, 2021
I was speaking to my mum today, she is getting ready for 2nd jab next week. They're all in Fairfield.

I asked her how the mood was out there ... and encouragingly she said that it's done a 180-flip ... people are wanting/rushing to book themselves in for the vaccine ASAP.

1/n
I asked her why, what changed?

She said the biggest motivator for the people she was speaking to was the notion that the double-vaxxed would be able to go to do things, go to shops, etc. over those who were not vaxxed.

It's a HUGE motivator out there IMO.

2/n
I know there are complexities with this strategy (e.g., privilege access to health, location, vaccine availability, etc.) but mum reckons, well at least for Fairfield and at least amongst her large community network - that this changed people's minds quicksmart.

3/n
Read 4 tweets

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