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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری

@prajvalshastri.bsky.social
63 followers 94 following 40 posts

ಖಗೋಳ ವಿಜ್ಞಾನಿ, ಭೂವಾಸಿ astrophysicist & earthling खगोल वैज्ञानिक और ज़मीनवाली (they/she) | postsRpersonal youtube.com/@prajvalshastri42 prajvalshastri.wordpress.com FASCINATED BY THE COSMOS AND THE GIANT BLACK HOLES IN IT

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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
Dr. Carlie Trott @carlietrott.bsky.social · 23/09/2026
"According to the AI industry, we should be more worried about a fictional machine god than about the climate catastrophe these data centers exacerbate, the asthma suffered by those living near them, the rising electricity bills of the public subsidizing them, or the water...[for] cooling them."
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 17/09/2026
Yoo Hoo!! First light from Nancy Grace Roman Telescope - alls well so far!! Stellar images that look like factory-made somethings because focusing is yet to be done
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
Jonathan McDowell @planet4589.bsky.social · 30/08/2026
The Roman Space Telescope is complementary to ESA's Euclid mission, which was launched in 2023. Euclid has twice as many pixels in its camera and will cover a broader area of sky, but Roman's bigger mirror will let it see fainter galaxies.
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
Jonathan McDowell @planet4589.bsky.social · 02/09/2026
On Sep 1 astronauts Adenot and Meir carried out spacewalk US EVA 99 from the Quest airlock. They replaced a planar retroreflector antenna on IDA-2, and replaced an EHDC camera at CP3. They also installed some cables, and obtained samples from the ISS exterior
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
Space Telescope Science Institute @stsci.edu · 01/09/2026
The Nancy Grace Roman Space Telescope team has successfully activated the mission’s Coronagraph Instrument, which will block starlight to view planets and dusty disks around nearby stars. #NASARoman 🔭
science.nasa.gov
NASA Roman's Planet Imager Has Powered On - NASA Science
NASA's Nancy Grace Roman Space Telescope team has successfully activated the mission's Coronagraph Instrument, which will block starlight to view planets and
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 08/04/2026
She met Meghnad Saha who traveled from India to Harvard - she applied his famous ionisation theory to her work to come to the conclusions that she did.....
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
Jason Wright @astrowright.bsky.social · 15/02/2026
So I finally finished this book and it's really really good! They say never meet your heroes but getting to know her through her autobiography, her scientific outlook and politics hold up extremely well! Some highlights for me: 🔭🧪🧵
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 12/03/2026
@sanders.senate.gov "We need a moratorium on AI data centers now" !!! Listen to Senator Bernie Sanders on YouTube as to WHY? #AI [YouTube: 12 March 2026]
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 11/03/2026
Remembering Douglas Adams on his birth anniversary... #DouglasAdams #HitchhikersGuideToTheGalaxy #Dontpanic
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 12/11/2025
A much needed conversation happened online in the first of a series CHAI ON THE MOON discussing The Moon & Voices from the GlobalSouth #astronomy @cospar.bsky.social @cospar-ppp.bsky.social @astro4dev.bsky.social @astro4edu.bsky.social @clubofrome.org @esa.int @nasawatch.bsky.social ON YouTube (1/2)
The Moon and the Global South: Voices, Risks & Promise
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 12/11/2025
@bot.astronomy.blue signup
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 07/10/2025
So now the special UCBerkeley 𝐩𝐚𝐫𝐤𝐢𝐧𝐠 𝐩𝐞𝐫𝐦𝐢𝐭 will be Professor John Clarke's!!! (The special perk that UCB offers its Nobel Laureates..😝😝😝) Bringing a quantum physical effect into the macroscopic world in the laboratory, which has then lead on to it coming into our everyday, is no mean feat! (1/2)
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
stemscholar.bsky.social @stemscholar.bsky.social · 29/07/2025
youtube.com/shorts/7tqjx...
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
Free AstroScience @freeastroscience.com · 24/06/2025
Feeling the intense heat? We break down the science of the "heat dome" and its undeniable link to climate change. Learn why it's happening and what we can do. www.freeastroscience.com/2025/06/why-...
freeastroscience.com
Why Is This Heat Dome So Brutal? The Science Behind The Heatwave
Feeling the intense heat? We break down the science of the "heat dome" and its undeniable link to climate change. Learn why it's happening and what we
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 25/06/2025
An InPerson event at the Science Gallery, Bengaluru, India: 28 June 2025 Registration link: sci560.scigalleryblr.org/programmes?p... #astro #astronomy
ration link:
https://sci560.scigalleryblr.org/programmes?p=telescoping-onto-giant-black-holes
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 06/06/2025
The Right to Science: by the International Science Council: council.science/events/the-r...
council.science
The right to participate in and benefit from science - International Science Council
As respect for scientific freedoms and adherence to scientific responsibilities decline around the world, the global scientific community faces significant pressure to address the multiple,...
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 06/06/2025
This is maybe worth a shot... never too late? @kvijayraghavan.bsky.social Assessing research in India. A panel discussion at 3 pm (IST), today (6 June). Register and join online: bit.ly/RRA-in-India
bit.ly
Welcome! You are invited to join a meeting: DORA Event: Implementing Responsible Research Assessment in India. After registering, you will receive a confirmation email about joining the meeting.
We are excited to invite you to this online event focused on advancing responsible research assessment practices in India. Hear from eminent scholars and policymakers Prof. K. VijayRaghavan, Prof. S...
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
Astrobites @astrobites.bsky.social · 02/06/2025
From Margaret Verrico @meverri.bsky.social : The IceCube collaboration presents the strongest limit yet on the proton fraction of ultra-high-energy cosmic rays. 🔭✨☄️ astrobites.org/2025/05/31/t...
astrobites.org
Kachow! Three high energy neutrinos speed through IceCube
The IceCube collaboration presents the strongest limit yet on the proton fraction of ultra-high-energy cosmic rays.
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
RASC Calgary Centre @calgaryrasc.bsky.social · 02/06/2025
#astronomy
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
David Blanchflower BSc @davidbflower.bsky.social · 09/05/2025
Moon dust 'rarer than gold' arrives in UK from China. 🔭 🧪 www.bbc.co.uk/news/article...
bbc.co.uk
Extremely rare Moon dust loaned from China shown in UK
First Moon samples collected in nearly 50 years and loaned by China for the first time are now in the UK.
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
Huei Sears, PhD 🌟 @starlights.bsky.social · 08/05/2025
!!! new on work led by U.C. Berkeley postdoc, Yuhan Yao 🦖 incl. comments from @gymleadererica.bsky.social et al. "Like a scene out of a sci-fi movie, astronomers using NASA telescopes have found 'Space Jaws.'" 🧪🔭☄️ #womeninSTEM #highenergyastro science.nasa.gov/missions/hub...
science.nasa.gov
NASA's Hubble Pinpoints Roaming Massive Black Hole - NASA Science
A sneaky black hole betrayed its presence to NASA's Hubble Space Telescope in a newly identified tidal disruption event.
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
US National Gemini Office @usngo.bsky.social · 08/05/2025
From @noirlabastro.bsky.social: It’s day 3 of Black Hole Week! ✨ We’re highlighting the Gemini Observatory, operated by NSF NOIRLab. Gemini North found the closest black hole to 🌎, 10x more massive than the ☀️. Go to noirlab.edu/public/produ..., print, and enjoy! #astronomy
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
ESA Space Science @science.esa.int · 08/05/2025
Nobel Prize Laureate Didier Queloz answers the who, what, where, when and why of exoplanets in this episode coming from ESA Education 👉 www.youtube.com/watch?v=d4Wr... 🧪 🔭
youtube.com
Exoplanets explained by Nobel Prize winner (part 1) | The 5 Ws
YouTube video by ESA Education
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 26/04/2025
Imagine! A Dark Sky protector advocating from Dubai, no less!!! Just like amidst the darkest of darkness a bright spot can always be found, "amidst the brightest of areas Dark Sky Defenders can be found..." so says the protector.... @astro @astronomy @astrophotography youtu.be/Q8n-qUtjDls?...
youtu.be
A special message from DarkSky’s executive director:
YouTube video by DarkSky International
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 24/04/2025
It was the ZERO SHADOW moment in my town! Lucky to be within ±23° lattitude!!.... [This moment doesnt get much publicity globally - because its only us tropics people that see it -most twitterrati are clearly outside this zone!😜😜] (1/4) #astro #astronomy @fcain.universetoday.com @starstryder.space
Waiting for the moment with things "vertical" set up on a terrace.... And then the moment of zero shadow!
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 20/04/2025
A brave attempt at visualisation of the construct is cool, and the construct sounds cool too but will we ever know if thats what it is? Well written as always by Clara Moskowitz @clarakm.bsky.social #blackholes #astrophyiscs #astronomy
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Saganism @sagan.bsky.social · 20/04/2025
Carl Sagan explains how the ancient Greeks knew the Earth was round and calculated its circumference over 2,000 years ago.
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
The Dark Sky Ambassador @darkskyambassador.bsky.social · 04/12/2024
A new post is up “Balancing Light and Dark: IES Recommended Light Levels for Safety, Astronomy, and Environmental Harmony” I tried merge IES lighting practises with IDAs aim to reduce light pollution, be kind if you find an error, let me know be for you jump on me! 😉 #lightpollution #astro
pixelateddad.com
Balancing Light and Dark: IES Recommended Light Levels for Safety, Astronomy, and Environmental Harmony
Proper lighting is essential in our communities. It keeps our streets and public spaces safe, ensures visibility for drivers and pedestrians, and supports diverse activities in commercial and resid…
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Reposted by Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری
Astronomy Cast @astronomycast.com · 15/10/2024
Starting sooon... This week's special Tuesday recording of Astronomy Cast. We're looking at the Swift telescopes multiwavelength science. www.youtube.com/watch?v=qXEO...
youtube.com
The Neil Gehrels Swift Telescope
YouTube video by Astronomy Cast
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 20/04/2025
If this isnt an erudite spot-on stright-from-the-heart ringing-truer-than-true lamp lighter, not just to cool astrophysics things but to life itself, I dont know what is... thank you Fraser Cain! @fcain.universetoday.com
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Astronomy Picture of the Day 🪐 @apod.shinyakato.dev · 14/04/2025
🔭 The Galactic Center in Radio from MeerKAT Image Credit: NASA, ESA, CSA, STScI, SARAO, S. Crowe (UVA), J. Bally (CU), R. Fedriani (IAA-CSIC), I. Heywood (Oxford) apod.nasa.gov/apod/ap25041...
The featured image shows the very center of our Milky Way Galaxy as resolved by the MeerKAT array in radio light. Many supernova remnants and unusual filaments are visible. At the upper right is an inset image of a small region taken in infrared by JWST. Please see the explanation for more detailed information.
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Astronomy Picture of the Day 🪐 @apod.shinyakato.dev · 15/04/2025
🔭 Planetary Nebula NGC 1514 from Webb Image Credit: NASA, ESA, CSA, M. E. Ressler (JPL) et al.; Processing: Judy Schmidt apod.nasa.gov/apod/ap25041...
A starfield is dominated by a multi-colored figure 8 in the middle, titled on a diagonal. The outsides of the nebula appear light colored, while the inside shows complex structure tinted red and purple. Please see the explanation for more detailed information.
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Astronomy Picture of the Day 🪐 @apod.shinyakato.dev · 20/04/2025
🔭 The Orion Nebula in Visible and Infrared Image Credit & Copyright: Infrared: NASA, Spitzer Space Telescope; Visible: Oliver Czernetz, Siding Spring Obs. apod.nasa.gov/apod/ap25042...
A complex nebula fills the frame that is brightly colored, with red being prominent in the image center and blue being most prominent elsewhere. Stars also dot the image. Please see the explanation for more detailed information.
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 20/04/2025
This was going to be really cool - that was obvious from the start..... #astronomy #astrophysics #cosmos @bot.astronomy.blue signup
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 20/04/2025
Birds ARE dinosaurs and "birdbrain" is actually a compliment!! ..... for #birders and #naturelovers and everyone else too...
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 20/04/2025
An absolutely evocative visual explainer of what a "survey telescope" does and will do!! - a Big Eye photographing AND tracking in time, SUCH a large chunk of the cosmos!!!
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Jonathan McDowell @planet4589.bsky.social · 20/04/2025
NASA on Pettit, on the other site: "According to NASA officials at the landing site, @Astro_Pettit is doing well and in the range of what is expected for him following return to Earth. ... " (1/2)
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 19/04/2025
Remember neutrinos? -the most common & lightest particle in our universe and we float in a sea of them always (a 100 trillion passing through each of us every second, most of them from our Sun - we dont notice of course and of course they cause no harm!!).(1/3) @thewire.in @labhopping.bsky.social
https://physicsworld.com/wp-content/uploads/2025/04/16-04-2025-katrin-detector-small.jpg
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NSF–DOE Rubin Observatory @rubinobservatory.org · 17/04/2025
Eye to the sky…on-sky engineering tests have begun at NSF–DOE Rubin Observatory using the world’s largest digital camera! 🔭🧪 After installing and testing the LSST Camera, we turned the telescope to the sky—a moment 20 years in the making! With that, Rubin #CommissioningNotes are back ✍️ 🧵
Around two dozen people sit and stand at a long desk with computer monitors out of view. Several people are smiling or have their mouths open in amazement. One person in the back has their arms raised in celebration.
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Symmetry Magazine @symmetrymagazine.org · 15/04/2025
If your dataset is so voluminous, or it arrives at such high velocity, or it contains such great variety, that you must reimagine the way you use it—you have a big data problem. How do you solve it? 🧪 #physics www.symmetrymagazine.org/article/expl...
symmetrymagazine.org
Explain it in 60 seconds: big data
How do you solve a problem like big data?
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 19/04/2025
And this is @arstechnica.com Ars Technica's bottom line: "Anyway, I decided that Ars Technica should sit this one out. If Bezos wanted to send his fiancée and some friends into space, that was his business. We had other things to cover."👍🏽👍🏽👍🏽
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Ars Technica @arstechnica.com · 18/04/2025
The episode highlights the risks of deploying AI models in customer-facing roles without proper safeguards and transparency.
arstechnica.com
Company apologizes after AI support agent invents policy that causes user uproar
Frustrated software developer believed AI-generated message came from human support rep.
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Hubble 🔴 Gallery @hubble-telescope.bsky.social · 17/04/2025
ESA/Hubble (@esa.int) images (Jul 24, 2014) Hubble reveals galaxy cluster MCS J0416.1–2403, featuring lensed images of distant galaxies, crucial for studying mass distribution. esahubble.org/images/heic1416b/
Annotated image of galaxy cluster MCS J0416.1–2403 from Hubble, showing lensed images of distant galaxies. Credit: ESA/Hubble, NASA, HST Frontier Fields Acknowledgement: Mathilde Jauzac (Durham University, UK and Astrophysics & Cosmology Research Unit, South Africa) and Jean-Paul Kneib (École Polytechnique Fédérale de Lausanne, Switzerland)
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Jarita Holbrook @astroholbrook.bsky.social · 07/03/2025
Today began with sad news of the passing of Sandra Harding (UCLA). Dr Harding was part of my learning journey in STS while I was a postdoc at UCLA. Everyone should read at least one of her articles to honour her .
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Neil deGrasse Tyson @neildegrassetyson.com · 17/04/2025
With new, specialized, ground-based telescopes coming on line, our knowledge of hazardous asteroids and comets will grow exponentially in the coming years. Seems like a bad time to reduce science funding to NASA. Just sayin'.
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Prajval Shastri ಪ್ರಜ್ವಲ್ ಶಾಸ್ತ್ರಿ پرجول شاستری @prajvalshastri.bsky.social · 17/04/2025
Splashing Headlines across our planet say extra-terrestrial life has been discovered by #jwst - but what has actually been seen? (1/5) @jwstobserver.bsky.social @setiinstitute.bsky.social
Images that are ARTISTS impressions and NOT scientific data with some select news headlines
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Tara Murphy @taramurphy.bsky.social · 18/03/2025
First images from the Square Kilometre Array Low Frequency (SKA-Low)! Taken with only 1,024 of the planned 131,072 antennas, and it's already looking good :) #RadioAstronomy
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LIGO Scientific Collaboration @ligo.org · 11/02/2025
Nine years ago we announced to the world that we have detected #GravitationalWaves we did it! youtu.be/lslUF9gdYI8
youtu.be
LIGO -- Dave Reitze We have Detected Gravitational Waves
YouTube video by sciencejedi
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Emily Carter @emilycurates.bsky.social · 14/04/2025
The Monarch #butterfly embarks on one of nature's most incredible journeys, migrating up to 3,000 miles from #Canada to central #Mexico. These tiny travelers, with wings of vibrant orange, navigate the vast distances using the sun and Earth’s magnetic fields, defying the odds
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