Discover and read the best of Twitter Threads about #astronomy

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#BookOverview Sringeri Vidyāśaṅkara Temple Astronomical Theater By Viswa Nath Sharma

The present work reveals with scriptural support that the Vidyāśaṅkara temple is a Sun Temple unique in India & the world

Link: amzn.to/37Jn572

@IndicaBooks #Thread #Astronomy
@IndicaBooks An astronomical theater with twelve zodiac pillars having a zodiac sign carved on them is the Navaraṅga of the Vidyāśaṅkara Temple at Sringeri, a town established by Shankaracharya
@IndicaBooks The pillars are illuminated each month, causing observers to conjecture that the illumination patterns represent a calendar. Scientific studies at the temple have not been able to resolve the issue
Read 7 tweets
#Thread #Astronomy #Stars #UPDATE

An international team of scientists led by #Indian #astronomers has spotted a new member belonging to the extremely rare group of young stars that exhibit what's called episodic accretion. 1/n Image
Episodic accretion is a process where stars accrete via a disk from a more spherically distributed envelope which adds mass to the disk & makes it unstable on an irregular basis. Such instability dumps extra material onto the star & accretion rate & luminosity increase. 2/n
Indian astronomers from the @ARIESNainital as part of an international team, including from @TIFRScience and @IIABengaluru have discovered “Gaia 20eae”, the latest member of episodically accreting young stars, according to @IndiaDST . 3/n
Read 13 tweets
1/6 A year and a half later, I finally finished my black hole project. #madewithunreal and now powered by #Niagara, this shader/sim implements physically correct gravitational lensing, which bends the light in all kinds of groovy ways! #gamedev #realtimevfx #astronomy #UE4 #UE5
2/6 A weird phenomena of gravitational lensing is the photon-sphere. @ScienceClic hooked me up with the equations I needed to represent this. When done correctly, zooming the camera in yields the same image repeat over and over to infinity (it gets small though)!
3/6 The accretion disk was my main focus this time around. I ended up learning how to write fluid solvers because I didn't want a static texture that was just warping around the event horizon. I wanted something alive, dynamic and violent.
Read 6 tweets
🧵⭐️ Have you ever noticed how the stars twinkle in the sky? Did you know #Indigenous people use this phenomenon for a wide variety of applications?! Image
#Twinkling - called "scintillation" in Western science - is caused when distant #starlight is impacted by our atmosphere, causing it to change in brightness as it reaches our eyes.

The rate of this flickering is related to wind speed and turbulence in the atmosphere. Image
For #astrophysicists, it negatively impacts the quality of telescopic data. #Telescopes are placed high on dry, clear mountaintops to help reduce this. Image
Read 21 tweets
Have you ever wanted to study the #astronomical knowledges and practices of ancient cultures around the globe? @UniMelb will be offering a brand new course on #Archaeoastronomy during Semester 2, 2022!

Enrolments are open...

handbook.unimelb.edu.au/subjects/phyc2… Image
'PHYC20017: #Archaeoastronomy' will be delivered jointly by the School of #Physics in the Faculty of #Science and the #History & #Philosophy of Science Unit in the Faculty of #Arts.

Enrol now!

handbook.unimelb.edu.au/subjects/phyc2…
#Ancient and #Indigenous cultures of the world developed knowledge systems long ago and constructed #monuments that reflect detailed knowledge of the #Sun, #Moon & #stars. The sky played an important role in ceremony, #political structures, #architecture, and social development. Image
Read 5 tweets
Star colours are an extremely important aspect of #Indigenous #Astronomy. Luritja #Aboriginal people of Central #Australia developed a stellar classification system based on #star colour, primarily focusing on red and white stars.

#thefirstastronomers #astrophysics #science
A majority of stars you see in the sky appear white (F/A class, such as #Sirius & #Canopus).

Some appear blue (O/B-class, such as #Rigel), orange (K-class, such as #Arcturus), red (M-class, such as #Betelgeuse).

Red stars have special importance due to their relative rarity
Red stars often reflect the colour of their terrestrial counterpart in Indigenous Knowledge Systems as a memory marker.

One example is the red-tailed black #cockatoo, which is linked to the star #Antares and planet #Mars in Aboriginal traditions across the Great Victoria Desert.
Read 7 tweets
Have you ever heard of the “Orion Correlation Theory”? It’s the correlation between the location of the 3 largest pyramids & Orion's Belt of the constellation Orion, & that this correlation was intended as such by the original builders of the #Giza #pyramid complex. #Archaeology Image
The Orion correlation theory was put forward by Robert Bauval, & the theory was first published in 1989 in Discussions in Egyptology, volume 13. It was the subject of a bestseller, The Orion Mystery, in 1994. Source: arxiv.org/pdf/1109.6266.…
The evidence shows patterns of stars that is frozen on the ground at Giza in the form of the 3 pyramids & the Sphinx represents the disposition of the constellations of Orion and Leo as they looked at the moment of sunrise on the spring equinox during the astronomical age of Leo. ImageImageImage
Read 14 tweets
Published in ApJ. We identify 7 Milky Way mergers by analysing 170 globular clusters+ 41 streams+ 46 satellite galaxies. The mergers include Sagittarius, Cetus, Sausage/Enceladus, LMS-1/Wuk., Seq+Arj+I’itoi and two are discoveries (“Pontus”, “Candidate”).
arxiv.org/abs/2202.07660
The exciting aspects of this work are: (a) the DATA (we use #GaiaEDR3 based orbits of streams + clusters +satellites; while traditional studies use stars) and (b) the METHOD (we detect mergers “statistically” in action [J] space; while traditional studies make manual selections).
Computing orbits for globular clusters and satellites is straightforward. However, to do so for stellar streams is a daunting task (that too for 41 STREAMS!). This is because to obtain a good orbit solution, one must ensure that the orbit “fits” the stream in the 6D phase-space.
Read 12 tweets
Mahadev🔱

Saturn🪐( Shani ) - The King Maker

🌟SADESATI the word makes everyone frighten but the truth is Saturn’s Sadesati could be the most beneficial time for any native BUT it comes with some restrictions

#ASTRO #Saturn #astronomy Image
Part-2🪐

Sadesati takes on the entire list of Karmas ( Good/Bad ) you did & it results according to it.During Sadesati the native could face challenges related to the things they feel restricted/hidden for e.g - False manipulative finances, cheating someone, uncared health, etc
Part-3🪐

🌟If Sun is the King of all planets than Saturn is the King Maker. And with discipline, dedication & patience lord Saturn becomes more stronger and gives its earthy blessings. Saturn simply represents your Karmas and gives a very unbiased result in its Sadesati or Dasha
Read 6 tweets
Some #Astronomy highlights for November 2021:

3rd: A good chance to see #Mercury this morning and just above it is the 3% lit crescent #Moon. Look E at 6am. Good photo opportunity.

3rd: The dwarf planet Ceres is very close to the star Aldebaran in Taurus this evening.
4th: The less than 1% lit #Moon is below #Mercury this morning at 6am. A very tricky spot before the Sun rises.

5th: The ice giant #Uranus reaches opposition today.

6th: The Galilean moon Callisto transits across #Jupiter's disc this evening from 16:45 to 21:20 UT.

#Astronomy
7th: Look low to the SW from 5pm to see bright #Venus to the left of the 11% lit crescent #Moon. Good photo opportunity.

8th: A now 20% lit #Moon is to the left of Venus this evening. Look SW from 5pm.

9th: Ganymede's shadow crosses #Jupiter's disc from 15:00 to 18:35 UT.
Read 8 tweets
0/16 Just like the real #NASA Webb Telescope, I’m so big that I have to fold up to fit in my #rocket for launch and then unfold in #space. Follow this thread to see each step of my deployment throughout the coming days. bit.ly/LEGOJWST Image
1/16 Not long after I launch 🚀 into space, I need to deploy my solar array to keep the power flowing. My solar array folds flat, just like the real thing! bit.ly/LEGOJWST #solarpower
2/16 📡 Next I release my medium- and high-gain antennae so that I can #communicate better and send data to you. My antennae are gimbaled, allowing me to aim them directly at #Earth! 🌍 bit.ly/LEGOJWST
Read 19 tweets
#MoonDay 2021: 52 years of 1969 #Lunar #moon landing; History & Significance:
Millions of people around watched live telecast #mission. Success of mission, #NASA @NASA @NASAMoon described landing "single greatest technological achievement of all time.”
#Thread #technology #tech Image
Day when man first walked on moon. #Apollo11 #spaceflight carried Commander #NeilArmstrong and lunar module #Pilot, Buzz Aldrin and Michael Collins. National Moon Day proclaimed in 1971 by then #US #USA #President Richard Nixon to honor #Anniversary of man's first moon landing.
Not only celebrates #historical human landing on moon but also opened opportunities for #future #Missions.
“That one small step for man, one giant leap for mankind.” – Neil Armstrong’s first words from moon heard all over Earth on this day in 1969.
While Alridn and Armstrong made
Read 17 tweets
(Thread) As if I couldn't cry more today, while searching his email to reconnect w/ him, I learned my fav @Cornell prof died 3 yrs ago. There're no words to describe how much he meant to me & how sad I feel I didn't get to say one last thank u & get his advice one last time. Image
@Cornell Dr Kelley literally was the reason I didn't quit Cornell. I went there thinking of becoming an #aerospace engineer. I loved space (still do) & I was determined to work in that field, in @NASA. My eyesight is bad & I'm short, so I knew being an astronaut was out of the Q. /2
I took my first Elec Eng class w/ him (EE101). 1st test, got D (or F?). I went to a bathrm in Phillips Hall & cried my eyes out. My child dreams came to an end. I was too dumb for Cornell, NASA, astronomy. How stupid to dream so high! A nice lady saw me & said don't give up. 3/
Read 12 tweets
*Father Of The Nation* they taught you. But the *True Fathers* Of the Indian Civilization never appeared in our syllabus #Thread 👇
1. Father of astronomy: Aryabhatta; work - Aryabhattiyam
2. Father of astrology: Varahamihira, works; Panchasiddhantika, Bruhat Hora Shastra 1. Father of astronomy: Aryabhatta; work - Aryabhattiyam 2. 1. Father of astronomy: Aryabhatta; work - Aryabhattiyam 2.
3. Fathers of #surgery : Charaka & Sushruta, works: Samhitas
4. Father of #anatomy : #Patanjali, work: #Yogasutra
5. Father of #yoga : #Patanjali, work: #Yogasutra
6. Father of #Economics: Chanakya, work: Arthashshtra
7. Father of #Atomictheory: Rishi Kanada, Work : Kanada sutras Fathers of #surgery : Charaka & Sushruta, works: SamhitasFather of #anatomy : #Patanjali, work: #YogasutraFather of #Economics: Chanakya, work: ArthashshtraFather of #Atomictheory: Rishi Kanada, Work : Kanada sutras
8. Father of #architecture : Vishwakarma
9. Father of #aerodynamics : Mayasura, work : Vastu Darpana
10. Father of #Medicine: Dhanvanthri, first propounded #Ayurveda
11. Father of #grammar : Panini, work: Vyakarana Deepika Father of #architecture : VishwakarmaFather of #Medicine: Dhanvanthri, first propounded #AyurvedaFather of #grammar : Panini, work: Vyakarana Deepika
Read 8 tweets
#News #Astronomia #Astronomy #Oort #NubeDiOort Novità sulla nube di Oort la culla delle #Comete di lungo periodo #Cometa ! ;) .. esquire.com/it/lifestyle/t… to keep update,rimani informato ! ;)
Non la vedrem mai, visto che ci voglion circa 30.000 anni per raggiung lo strato più esterno.che si trova a 4,5x10^11 Km o :
- 450.000.000.000 Miliardi di Km, men che meno il limite estern che dista 3,03 x 10^13 Km, nell' Immag di Mark Garlic che trovate anche nell'artic. sopra..
Ma dove arriva il nostro sistema solare con i pianeti ?
Per farvi capire ho messo un punto rosso sulla foto, così apprezzerete meglio le distanze .. continua ! Quel puntino giallo al centro é il Sole ! ;)
Read 13 tweets
The past month of #SaganNews (May 2021)

The @CSInst follows the footsteps of #CarlSagan bringing you the latest research in #astronomy, #exoplanets, #scicomm & more!

Our interdisciplinary team shares interesting scientific discoveries with you regularly. 1/22 Image
"Sufficiently dense Kuramoto networks are globally synchronizing"

Kassabov, M., Strogatz, S.H. (@stevenstrogatz), Townsend, A.
arxiv.org/abs/2105.11406
#SaganNews 2/22 Image
"Differentiating Modern and Prebiotic Earth Scenarios for TRAPPIST-1e: High-resolution Transmission Spectra and Predictions for JWST"

Lin, Z., MacDonald, R.J. (@MartianColonist), Kaltenegger, L. (@KalteneggerLisa), Wilson, D.J., MNRAS

arxiv.org/abs/2105.09319
#SaganNews 3/22 Image
Read 22 tweets
#AskAnAstronomer: Dr Siddharth Gandhi on Exoplanet Science, Life Beyond Earth and More - By @MrigDixit

weather.com/en-IN/india/sp… (📸: NASA Ames/JPL-Caltech/T...(Photo: ESO/M. Kornmesser/N...(Photo: NASA)(Photo: NASA/JPL-Caltech)
@MrigDixit Dr Siddharth Gandhi from the University of Warwick has carved out a name for himself at a young age. He has been conducting a significant amount of research to understand the atmospheres of exoplanets.

#astronomy
@MrigDixit In this exclusive interview, he talks about his latest research, which highlights the chemical fingerprint of an exoplanet named Osiris, and opens up about exoplanet science, life beyond Earth and more.

#astronomy
Read 9 tweets
106 years ago, one of #Ireland's giants of #Astronomy, Margaret Lindsay Murray Huggins (1848 - 1915), passed #OnThisDay

#HERstory #STEM #GLobalIrishNation #OTD Margaret Lindsay Huggins
2) Margaret Lindsay Murray was born in #Dublin in 1848 and lost her mother her mother, Helen Lindsay, while still a child. In the absence of her mother, she seems to have developed a shared interest in Astronomy with her paternal #Scottish banker grandfather Robert Murray
3) Margaret seems to have been self educated, delving into #astronomy and developing photographic skills which became important for her future research in astronomical spectrography which involves the examination of light spectrums emitted by planets, stars and nebulae
Read 8 tweets
*Father Of The Nation* they taught you. But the *True Fathers* Of the #Indian #Civilisation never appeared in our syllabus 👇🏼
1. Father of #astronomy: Aryabhatta; work - Aryabhattiyam
2. Father of #astrology: Varahamihira, works; Panchasiddhantika, Bruhat Hora Shastra @sattology ImageImage
3. Fathers of #surgery: Charaka & Sushruta, works: Samhitas
4. Father of #Anatomy: #Patanjali, work: #Yogasutra
5. Father of #yoga : #Patanjali, work: #Yogasutra
6. Father of #Economics: Chanakya, work: Arthashshtra
7. Father of #Atomictheory: Rishi Kanada, Work : Kanada sutras ImageImageImageImage
8. Father of #architecture : Vishwakarma;
9. Father of #AeroDynamics: Mayasura, work : Vastu Darpana
10. Father of #Medicine: #Dhanvanthri, first propounded #Ayurveda
11. Father of #grammar: Panini, work: Vyakarana Deepika
@SriRamya21 @Maha_periyava_ @HiteshAwasthi89 @desi_thug1 ImageImageImage
Read 7 tweets
How the myth started..

Now reading the book by @bennedose Image
This is how the #ThaparHabibClan and their more famous international counterparts take into advantage most gullible people who read their books , who do not know a word of #Samskrta , forget knowing anything from #RgVeda!

#justsaying Image
This is exactly how the #ThaparHabibClan has perpetuated a myth of "repeated mention of killing of Dasyus in the #RgVeda".

I showed in another article how dubious was that by similar means. Image
Read 27 tweets
कविताएं भावनाओं सी होतीं
शब्दों को पद्यों में पिरोतीं
सपनों का यथार्थ रूप
कविता अंधकार में धूप

क्रांति लाती कविताएं
हास्य से मन मोह जाएं
गंभीरता से भरे कुछ शब्द
सोचने को मनुष्य विवश

आहट ये विश्वास सा
भूत भविष्य आज का
समाज का सटीक चित्रण
कविता कामनाओं का उदाहरण
#Kवी #youthday
छत ये मिट्टी की
सोने नहीं देती
बारिश का डर तो
हर वक़्त बना रहता

निश्चल है ये मन
मस्तिष्क मगर फिर भी
जाने क्यों मचलता सा
होनी से डरता सा

एक दिन अपने छत को
पक्का मैं बनाऊँगा
पर मिट्टी तो फिर भी
वो साथ में आएगी

#Kवी
From Mundeshwari Devi Temple, Bhabhua, the oldest functional temple in the world, India is land of mystical temples, usually elaborated structures & are our most valuable assets. These temples remind us of architectural brilliance those days. My words for majestic temples.

#Kवी Describing the beauty of Ol...Image
Read 16 tweets
This is probably the most humbling & awe-inspiring image of the #Universe I know.

It's an infrared image by the #Spitzer #Space #telescope, as wide as the full moon.

The dots aren't stars.
They're galaxies.
Each dot is 100s of Billions of stars.(1/n)

@Todd_Scheve #astronomy Image
The image is part of the S-CANDELS programme, which observed parts of the sky very deeply (50 hours each pointing) with the Spitzer IRAC camera.

The goal was to obtain very sensitive infrared data for very distant #galaxies. See for details:

ui.adsabs.harvard.edu/link_gateway/2… (2/n)
These data are crucial to understand galaxies in the young Universe.

The faintest dots you can see are galaxies the light of which took over 13 Billion yrs to reach us. A snapshot of the Universe when it was less than a Billion years old. (3/n)
Read 9 tweets

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