Slavko Bogdanov
@slavkobogdanov.bsky.social
Astrophysicist ordinaire. Columbia University.
slavko.org
slavko.org
Reposted by Slavko Bogdanov
[astronomers clamoring] is a regular occurrence at the VLA, even when we're not on tv.
#Pluribus #VeryLargeArray #Astronomy
#Pluribus #VeryLargeArray #Astronomy
only a little ways into Pluribus but this is the kind of screen that basically guarantees I will want to watch the rest of it
![A bunch of cars parked outside the Very Large Array. subtitles say "[astronomers clamoring]"](https://cdn.bsky.app/img/feed_thumbnail/plain/did:plc:sbbklyrrb5xfb43mfhypi2f7/bafkreibrtfclubrq7t2bgepd7th5dobllapyqxj57hzkddmn4a4szmavdq@jpeg)
November 17, 2025 at 10:48 PM
[astronomers clamoring] is a regular occurrence at the VLA, even when we're not on tv.
#Pluribus #VeryLargeArray #Astronomy
#Pluribus #VeryLargeArray #Astronomy
Reposted by Slavko Bogdanov
Students, apply for a CERN summer studentship. Greatest experience ever!
Deadline 26 January 2026. careers.cern/programmes/s...
(It's not just for physicists. Check it out.)
Deadline 26 January 2026. careers.cern/programmes/s...
(It's not just for physicists. Check it out.)
Summer Studentship
Programme overview Join the CERN Summer Student Programme and dive into cutting-edge research. You’ll work on advanced scientific and technical projects, contributing directly to CERN’s…
careers.cern
November 15, 2025 at 3:24 PM
Students, apply for a CERN summer studentship. Greatest experience ever!
Deadline 26 January 2026. careers.cern/programmes/s...
(It's not just for physicists. Check it out.)
Deadline 26 January 2026. careers.cern/programmes/s...
(It's not just for physicists. Check it out.)
Reposted by Slavko Bogdanov
🧪⚛️🔭
Students, apply for a CERN summer studentship. Greatest experience ever!
Deadline 26 January 2026. careers.cern/programmes/s...
(It's not just for physicists. Check it out.)
Deadline 26 January 2026. careers.cern/programmes/s...
(It's not just for physicists. Check it out.)
Summer Studentship
Programme overview Join the CERN Summer Student Programme and dive into cutting-edge research. You’ll work on advanced scientific and technical projects, contributing directly to CERN’s…
careers.cern
November 15, 2025 at 3:27 PM
🧪⚛️🔭
Reposted by Slavko Bogdanov
I’ve seen this shared several times with the header and footer not visible, so you can’t see the artists’s name.
Credit: Leo the Alien — alienyrox on redbubble and other platforms.
Credit: Leo the Alien — alienyrox on redbubble and other platforms.
November 12, 2025 at 5:00 AM
I’ve seen this shared several times with the header and footer not visible, so you can’t see the artists’s name.
Credit: Leo the Alien — alienyrox on redbubble and other platforms.
Credit: Leo the Alien — alienyrox on redbubble and other platforms.
Reposted by Slavko Bogdanov
Aurora Forecast Update for 2025-11-12T01:30:26Z
ALERT: Geomagnetic K-index of 8, 9-
Threshold Reached: 2025 Nov 12 0121 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G4 - Severe
Additional Details Here.
ALERT: Geomagnetic K-index of 8, 9-
Threshold Reached: 2025 Nov 12 0121 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G4 - Severe
Additional Details Here.
November 12, 2025 at 1:30 AM
Aurora Forecast Update for 2025-11-12T01:30:26Z
ALERT: Geomagnetic K-index of 8, 9-
Threshold Reached: 2025 Nov 12 0121 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G4 - Severe
Additional Details Here.
ALERT: Geomagnetic K-index of 8, 9-
Threshold Reached: 2025 Nov 12 0121 UTC
Synoptic Period: 0000-0300 UTC
Active Warning: Yes
NOAA Scale: G4 - Severe
Additional Details Here.
Reposted by Slavko Bogdanov
Key antenna in NASA’s Deep Space Network damaged
One of the largest antennas in NASA’s Deep Space Network was damaged in September and may be out of service for an extended period, further straining the system.
One of the largest antennas in NASA’s Deep Space Network was damaged in September and may be out of service for an extended period, further straining the system.
Key antenna in NASA’s Deep Space Network damaged
One of the largest antennas in NASA’s Deep Space Network was damaged in September and may be out of service for an extended period, further straining the system.
spacenews.com
November 11, 2025 at 1:13 PM
Key antenna in NASA’s Deep Space Network damaged
One of the largest antennas in NASA’s Deep Space Network was damaged in September and may be out of service for an extended period, further straining the system.
One of the largest antennas in NASA’s Deep Space Network was damaged in September and may be out of service for an extended period, further straining the system.
Reposted by Slavko Bogdanov
😎 This is cool 👇 Explore 25 years on the International Space Station. This multimedia project replays every day of the past 25 years on board and consists entirely of historical mission material. By @benfeist.bsky.social and David Charney.
issinrealtime.org
issinrealtime.org
ISS in Real Time
Explore 25 years onboard the International Space Station.
issinrealtime.org
November 11, 2025 at 4:34 PM
😎 This is cool 👇 Explore 25 years on the International Space Station. This multimedia project replays every day of the past 25 years on board and consists entirely of historical mission material. By @benfeist.bsky.social and David Charney.
issinrealtime.org
issinrealtime.org
Reposted by Slavko Bogdanov
Did you know?
In 2025, the U.S. quarter features Vera Rubin, honoring her landmark discovery of the existence of dark matter — a tribute that perfectly coincides with the first light of the Rubin Observatory(@vrubinobs.bsky.social), celebrating her enduring legacy in unveiling the unseen universe.
In 2025, the U.S. quarter features Vera Rubin, honoring her landmark discovery of the existence of dark matter — a tribute that perfectly coincides with the first light of the Rubin Observatory(@vrubinobs.bsky.social), celebrating her enduring legacy in unveiling the unseen universe.
November 7, 2025 at 9:56 PM
Did you know?
In 2025, the U.S. quarter features Vera Rubin, honoring her landmark discovery of the existence of dark matter — a tribute that perfectly coincides with the first light of the Rubin Observatory(@vrubinobs.bsky.social), celebrating her enduring legacy in unveiling the unseen universe.
In 2025, the U.S. quarter features Vera Rubin, honoring her landmark discovery of the existence of dark matter — a tribute that perfectly coincides with the first light of the Rubin Observatory(@vrubinobs.bsky.social), celebrating her enduring legacy in unveiling the unseen universe.
Reposted by Slavko Bogdanov
Open Sesame!
The ELT doors have moved for the first time. This was no small feat, as each door will weigh 650 tonnes once completed.
The ELT dome & its doors will guard the telescope from the harsh conditions of the Atacama Desert.
https://www.eso.org/public/videos/potw2544a/
🔭 🧪
📹 ESO/ACe
The ELT doors have moved for the first time. This was no small feat, as each door will weigh 650 tonnes once completed.
The ELT dome & its doors will guard the telescope from the harsh conditions of the Atacama Desert.
https://www.eso.org/public/videos/potw2544a/
🔭 🧪
📹 ESO/ACe
November 3, 2025 at 8:02 AM
Open Sesame!
The ELT doors have moved for the first time. This was no small feat, as each door will weigh 650 tonnes once completed.
The ELT dome & its doors will guard the telescope from the harsh conditions of the Atacama Desert.
https://www.eso.org/public/videos/potw2544a/
🔭 🧪
📹 ESO/ACe
The ELT doors have moved for the first time. This was no small feat, as each door will weigh 650 tonnes once completed.
The ELT dome & its doors will guard the telescope from the harsh conditions of the Atacama Desert.
https://www.eso.org/public/videos/potw2544a/
🔭 🧪
📹 ESO/ACe
Reposted by Slavko Bogdanov
On Sunday, humans marked 25 years of continuous presence in Earth orbit, via the International Space Station. For @sciam.bsky.social, @astrojonny.bsky.social looks at the surge of commercial space stations that might keep this trend going to 2050.
www.scientificamerican.com/article/the-...
www.scientificamerican.com/article/the-...
After a Quarter-Century of Hosting Humans, the International Space Station Is Approaching Its End. What Comes Next?
Humans have been in space onboard the ISS continuously for 25 years. As the station nears its end, new commercial habitats are lining up to take its place
www.scientificamerican.com
November 3, 2025 at 2:32 PM
On Sunday, humans marked 25 years of continuous presence in Earth orbit, via the International Space Station. For @sciam.bsky.social, @astrojonny.bsky.social looks at the surge of commercial space stations that might keep this trend going to 2050.
www.scientificamerican.com/article/the-...
www.scientificamerican.com/article/the-...
Reposted by Slavko Bogdanov
arXiv will no longer accept review articles and position papers unless they have been accepted at a journal or a conference and complete successful peer review.
This is due to being overwhelmed by a hundreds of AI generated papers a month.
Yet another open submission process killed by LLMs.
This is due to being overwhelmed by a hundreds of AI generated papers a month.
Yet another open submission process killed by LLMs.
Attention Authors: Updated Practice for Review Articles and Position Papers in arXiv CS Category – arXiv blog
blog.arxiv.org
November 1, 2025 at 5:28 PM
arXiv will no longer accept review articles and position papers unless they have been accepted at a journal or a conference and complete successful peer review.
This is due to being overwhelmed by a hundreds of AI generated papers a month.
Yet another open submission process killed by LLMs.
This is due to being overwhelmed by a hundreds of AI generated papers a month.
Yet another open submission process killed by LLMs.
Reposted by Slavko Bogdanov
Are you a grad student interested in writing for Astrobites, or do you know one? We're recruiting! Apply by November 26 :)
astrobites.org/2025/10/31/a...
astrobites.org/2025/10/31/a...
Apply to Write for Astrobites 2025!
Love astronomy, astrophysics, and science communication? Come join the Astrobites team! Applications due November 26th.
astrobites.org
October 31, 2025 at 6:40 PM
Are you a grad student interested in writing for Astrobites, or do you know one? We're recruiting! Apply by November 26 :)
astrobites.org/2025/10/31/a...
astrobites.org/2025/10/31/a...
Reposted by Slavko Bogdanov
'Astronomers' is an anagram for 'moon starers.'
October 27, 2025 at 3:22 PM
'Astronomers' is an anagram for 'moon starers.'
Reposted by Slavko Bogdanov
HAPPY INTERNATIONAL CAPS LOCK DAY SORRY FOR OUR DELAY WE DIDN'T EVEN KNOW THIS WAS A REAL DAY.
October 22, 2025 at 8:44 PM
HAPPY INTERNATIONAL CAPS LOCK DAY SORRY FOR OUR DELAY WE DIDN'T EVEN KNOW THIS WAS A REAL DAY.
Reposted by Slavko Bogdanov
Calling all early career scientists! The NSF NRAO invites applications for the 2026 Jansky Fellowship Program.
🚨 Application Deadline is October 22, 2025 at 11:59 pm EDT 🚨
Details and apply: https://science.nrao.edu/opportunities/postdoctoral-programs/jansky
🚨 Application Deadline is October 22, 2025 at 11:59 pm EDT 🚨
Details and apply: https://science.nrao.edu/opportunities/postdoctoral-programs/jansky
October 20, 2025 at 1:59 PM
Calling all early career scientists! The NSF NRAO invites applications for the 2026 Jansky Fellowship Program.
🚨 Application Deadline is October 22, 2025 at 11:59 pm EDT 🚨
Details and apply: https://science.nrao.edu/opportunities/postdoctoral-programs/jansky
🚨 Application Deadline is October 22, 2025 at 11:59 pm EDT 🚨
Details and apply: https://science.nrao.edu/opportunities/postdoctoral-programs/jansky
Reposted by Slavko Bogdanov
Karl Guthe Jansky was born #OTD in 1905. A radio engineer with Bell Labs, he investigated sources of static that might interfere with communications, and thus discovered the radio emission from our Galaxy in August 1931.
en.wikipedia.org/wiki/Karl_Gu...
en.wikipedia.org/wiki/Karl_Gu...
October 22, 2025 at 6:56 AM
Karl Guthe Jansky was born #OTD in 1905. A radio engineer with Bell Labs, he investigated sources of static that might interfere with communications, and thus discovered the radio emission from our Galaxy in August 1931.
en.wikipedia.org/wiki/Karl_Gu...
en.wikipedia.org/wiki/Karl_Gu...
Reposted by Slavko Bogdanov
The true cost of “solar power at night” with Reflect Orbital
If you played SimCity 2000, you might've loved the idea of "beaming power from space" down to Earth.
Reflect Orbital took that idea, tech-bro'd it, and now could end "night" as we know it.
bigthink.com/starts-with-...
#space #astro
If you played SimCity 2000, you might've loved the idea of "beaming power from space" down to Earth.
Reflect Orbital took that idea, tech-bro'd it, and now could end "night" as we know it.
bigthink.com/starts-with-...
#space #astro
The true cost of "solar power at night" with Reflect Orbital
Solar power has the disadvantage that there's no Sun at night. Satellite startup Reflect Orbital wants to change that, but at what cost?
bigthink.com
October 15, 2025 at 3:28 PM
The true cost of “solar power at night” with Reflect Orbital
If you played SimCity 2000, you might've loved the idea of "beaming power from space" down to Earth.
Reflect Orbital took that idea, tech-bro'd it, and now could end "night" as we know it.
bigthink.com/starts-with-...
#space #astro
If you played SimCity 2000, you might've loved the idea of "beaming power from space" down to Earth.
Reflect Orbital took that idea, tech-bro'd it, and now could end "night" as we know it.
bigthink.com/starts-with-...
#space #astro
Reposted by Slavko Bogdanov
50 million light-years away, galaxy NGC 1097 & its tiny companion NGC 1097A are locked in a galactic embrace.
The bright knots around NGC 1097’s centre are thought to be large bubbles of glowing hydrogen gas about 750–2500 light-years across.
www.eso.org/public/image... 🔭
#Flashback
The bright knots around NGC 1097’s centre are thought to be large bubbles of glowing hydrogen gas about 750–2500 light-years across.
www.eso.org/public/image... 🔭
#Flashback
October 14, 2025 at 7:41 AM
50 million light-years away, galaxy NGC 1097 & its tiny companion NGC 1097A are locked in a galactic embrace.
The bright knots around NGC 1097’s centre are thought to be large bubbles of glowing hydrogen gas about 750–2500 light-years across.
www.eso.org/public/image... 🔭
#Flashback
The bright knots around NGC 1097’s centre are thought to be large bubbles of glowing hydrogen gas about 750–2500 light-years across.
www.eso.org/public/image... 🔭
#Flashback
Reposted by Slavko Bogdanov
Low Earth orbit is filling up. Not just with #satellites, but also with dangerous, tumbling debris. As they collide, they multiply. If we do nothing, satellites will crash, creating chaos on Earth below. Meet the people trying to prevent this disaster. spectrum.ieee.org/kessler-synd...
October 10, 2025 at 7:30 PM
Low Earth orbit is filling up. Not just with #satellites, but also with dangerous, tumbling debris. As they collide, they multiply. If we do nothing, satellites will crash, creating chaos on Earth below. Meet the people trying to prevent this disaster. spectrum.ieee.org/kessler-synd...
Reposted by Slavko Bogdanov
The eXTP dense matter white paper is published! eXTP is going to be a great telescope for e.g. pulse profile modeling of both rotation-powered and accretion-powered millisecond pulsars. Launching in 2030! #highenergyastro 🔭 #densematter #neutronstars
ui.adsabs.harvard.edu/abs/2025SCPM...
ui.adsabs.harvard.edu/abs/2025SCPM...
Dense matter in neutron stars with eXTP
In this white paper, we present the potential of the enhanced X-ray timing and polarimetry (eXTP) mission to constrain the equation of state of dense matter in neutron stars, exploring regimes not dir...
ui.adsabs.harvard.edu
October 8, 2025 at 3:41 PM
The eXTP dense matter white paper is published! eXTP is going to be a great telescope for e.g. pulse profile modeling of both rotation-powered and accretion-powered millisecond pulsars. Launching in 2030! #highenergyastro 🔭 #densematter #neutronstars
ui.adsabs.harvard.edu/abs/2025SCPM...
ui.adsabs.harvard.edu/abs/2025SCPM...
Reposted by Slavko Bogdanov
This long-lasting meteor shower peaks in late October and is known for producing bright “fireball” shooting stars. Here’s what to know about Orionids and other major showers that will appear in 2025. www.wired.com/story/watch-...
How to Watch the Orionids Meteor Shower
This long-lasting meteor shower peaks in late October and is known for producing bright “fireball” shooting stars. Here’s what to know about Orionids and other major showers that will appear in...
www.wired.com
October 1, 2025 at 6:03 AM
This long-lasting meteor shower peaks in late October and is known for producing bright “fireball” shooting stars. Here’s what to know about Orionids and other major showers that will appear in 2025. www.wired.com/story/watch-...
Reposted by Slavko Bogdanov
Happy 120th birthday, special relativity!
Albert Einstein introduced special relativity in the paper "On The Electrodynamics Of Moving Bodies," published in Annalen der Physik #OTD in 1905. 🧪 ⚛️ 🔭
Manuscript: onlinelibrary.wiley.com/doi/abs/10.1...
English: www.fourmilab.ch/etexts/einst...
Albert Einstein introduced special relativity in the paper "On The Electrodynamics Of Moving Bodies," published in Annalen der Physik #OTD in 1905. 🧪 ⚛️ 🔭
Manuscript: onlinelibrary.wiley.com/doi/abs/10.1...
English: www.fourmilab.ch/etexts/einst...
September 26, 2025 at 6:17 PM
Happy 120th birthday, special relativity!
Albert Einstein introduced special relativity in the paper "On The Electrodynamics Of Moving Bodies," published in Annalen der Physik #OTD in 1905. 🧪 ⚛️ 🔭
Manuscript: onlinelibrary.wiley.com/doi/abs/10.1...
English: www.fourmilab.ch/etexts/einst...
Albert Einstein introduced special relativity in the paper "On The Electrodynamics Of Moving Bodies," published in Annalen der Physik #OTD in 1905. 🧪 ⚛️ 🔭
Manuscript: onlinelibrary.wiley.com/doi/abs/10.1...
English: www.fourmilab.ch/etexts/einst...
Reposted by Slavko Bogdanov
Astronomy 🔭 and physics ⚛️ GRFP applications are due Nov 14! Only seniors and 1st-year grad students can apply now (no second years).
New: After a long wait, the GRFP solicitation is live! Deadlines have been extended to early November, so applicants have a bit over a month to submit. www.nsf.gov/funding/oppo...
NSF Graduate Research Fellowship Program (GRFP)
www.nsf.gov
September 26, 2025 at 4:28 PM
Astronomy 🔭 and physics ⚛️ GRFP applications are due Nov 14! Only seniors and 1st-year grad students can apply now (no second years).
Reposted by Slavko Bogdanov
Neutron stars are born running, and recent research explores just how fast they start off. aasnova.org/2025/09/24/k... 🔭🧪
Kicking Neutron Stars from the Nest
Neutron stars are born running, and recent research explores just how fast they start off.
aasnova.org
September 24, 2025 at 4:25 PM
Neutron stars are born running, and recent research explores just how fast they start off. aasnova.org/2025/09/24/k... 🔭🧪
Reposted by Slavko Bogdanov
Happy 100th anniversary to Cecilia Payne-Gaposchkin’s extraordinary thesis!
Happy birthday to astrophysicist Cecilia Payne-Gaposchkin (1900-1979), a trailblazer for women in #astronomy who discovered that hydrogen & helium are the most common elements in the universe. 🐡🧪👩🏼🔬🎢🔭
Born England, she won a scholarship to Newnham College at Cambridge in 1919 where she heard 🧵1/n
Born England, she won a scholarship to Newnham College at Cambridge in 1919 where she heard 🧵1/n
September 24, 2025 at 12:23 PM
Happy 100th anniversary to Cecilia Payne-Gaposchkin’s extraordinary thesis!