Event Horizon Telescope
@ehtelescope.bsky.social
We are the Event Horizon Telescope: a global collaboration that captured the first-ever image of a black hole using a virtual Earth-sized telescope.
Instagram, Facebook, Twitter, Mastodon: ehtelescope
eventhorizontelescope.org
Instagram, Facebook, Twitter, Mastodon: ehtelescope
eventhorizontelescope.org
Want to help expand black hole imaging into space?
The Black Hole Explorers (BHEX) program is now accepting applications from undergraduate students.
Be sure to apply by February 15th, 2026! www.blackholeexplorer.org/internships
The Black Hole Explorers (BHEX) program is now accepting applications from undergraduate students.
Be sure to apply by February 15th, 2026! www.blackholeexplorer.org/internships
January 16, 2026 at 6:00 PM
Want to help expand black hole imaging into space?
The Black Hole Explorers (BHEX) program is now accepting applications from undergraduate students.
Be sure to apply by February 15th, 2026! www.blackholeexplorer.org/internships
The Black Hole Explorers (BHEX) program is now accepting applications from undergraduate students.
Be sure to apply by February 15th, 2026! www.blackholeexplorer.org/internships
A team of EHT scientists led by J.-L. Gómez, I. Cho and E. Traianou has now published striking new images of OJ 287, where the interplay between traveling shocks and instabilities in the jet plasma shows remarkable polarization patterns.
Credit: EHT Collaboration | Figure: E. Traianou
Credit: EHT Collaboration | Figure: E. Traianou
January 8, 2026 at 2:19 PM
A team of EHT scientists led by J.-L. Gómez, I. Cho and E. Traianou has now published striking new images of OJ 287, where the interplay between traveling shocks and instabilities in the jet plasma shows remarkable polarization patterns.
Credit: EHT Collaboration | Figure: E. Traianou
Credit: EHT Collaboration | Figure: E. Traianou
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are two 2025 Outstanding PhD Theses recipients: Dominic Chang and Aristomenis Yfantis. Congrats to all!
Featured here are two 2025 Outstanding PhD Theses recipients: Dominic Chang and Aristomenis Yfantis. Congrats to all!
December 24, 2025 at 1:48 PM
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are two 2025 Outstanding PhD Theses recipients: Dominic Chang and Aristomenis Yfantis. Congrats to all!
Featured here are two 2025 Outstanding PhD Theses recipients: Dominic Chang and Aristomenis Yfantis. Congrats to all!
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are two 2025 Outstanding PhD Theses recipients: Marianna Foschi and Rohan Dahale. Congrats to all!
Featured here are two 2025 Outstanding PhD Theses recipients: Marianna Foschi and Rohan Dahale. Congrats to all!
December 23, 2025 at 1:57 PM
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are two 2025 Outstanding PhD Theses recipients: Marianna Foschi and Rohan Dahale. Congrats to all!
Featured here are two 2025 Outstanding PhD Theses recipients: Marianna Foschi and Rohan Dahale. Congrats to all!
EHT Deputy Project Scientist Dr. Kazunori Akiyama (@kazuakiyama.bsky.social) has received a £4M Faraday Discovery Fellowship. The project, TomoGrav, will deliver the first dynamic 3D views of plasma around black holes.
Read more: eventhorizontelescope.org/news/2025/12...
Read more: eventhorizontelescope.org/news/2025/12...
December 22, 2025 at 4:49 PM
EHT Deputy Project Scientist Dr. Kazunori Akiyama (@kazuakiyama.bsky.social) has received a £4M Faraday Discovery Fellowship. The project, TomoGrav, will deliver the first dynamic 3D views of plasma around black holes.
Read more: eventhorizontelescope.org/news/2025/12...
Read more: eventhorizontelescope.org/news/2025/12...
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are two 2025 Early Career Research & Leadership Award recipients: Hendrik Müller and León Sosapanta Salas. Congrats to all!
Featured here are two 2025 Early Career Research & Leadership Award recipients: Hendrik Müller and León Sosapanta Salas. Congrats to all!
December 22, 2025 at 2:00 PM
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are two 2025 Early Career Research & Leadership Award recipients: Hendrik Müller and León Sosapanta Salas. Congrats to all!
Featured here are two 2025 Early Career Research & Leadership Award recipients: Hendrik Müller and León Sosapanta Salas. Congrats to all!
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are two 2025 Early Career Research & Leadership Award recipients: Koushik Chatterjee and Britton Jeter. Congrats to all!
Featured here are two 2025 Early Career Research & Leadership Award recipients: Koushik Chatterjee and Britton Jeter. Congrats to all!
December 19, 2025 at 2:01 PM
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are two 2025 Early Career Research & Leadership Award recipients: Koushik Chatterjee and Britton Jeter. Congrats to all!
Featured here are two 2025 Early Career Research & Leadership Award recipients: Koushik Chatterjee and Britton Jeter. Congrats to all!
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are two 2025 Early Career Research & Leadership Award recipients: Rohan Dahale and Sasha Plavin. Congrats to all!
Featured here are two 2025 Early Career Research & Leadership Award recipients: Rohan Dahale and Sasha Plavin. Congrats to all!
December 18, 2025 at 2:00 PM
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are two 2025 Early Career Research & Leadership Award recipients: Rohan Dahale and Sasha Plavin. Congrats to all!
Featured here are two 2025 Early Career Research & Leadership Award recipients: Rohan Dahale and Sasha Plavin. Congrats to all!
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are three 2025 Early Career Research & Leadership Award recipients: Iniyan Natarajan, Paul Tiede, and Efthalia Traianou. Congrats to all!
Featured here are three 2025 Early Career Research & Leadership Award recipients: Iniyan Natarajan, Paul Tiede, and Efthalia Traianou. Congrats to all!
December 17, 2025 at 2:00 PM
The EHT Collaboration recognizes outstanding contributions through the 6th Annual EHT Early Career & Outstanding PhD Awards.
Featured here are three 2025 Early Career Research & Leadership Award recipients: Iniyan Natarajan, Paul Tiede, and Efthalia Traianou. Congrats to all!
Featured here are three 2025 Early Career Research & Leadership Award recipients: Iniyan Natarajan, Paul Tiede, and Efthalia Traianou. Congrats to all!
EHT scientists have gathered in the virtual world this week for their 3-day winter collaboration meeting.
They discussed both new results and future directions of the EHT.
Stay tuned, because some amazing results are going to be announced soon!
#EHT2025 #EventHorizonTelescope
They discussed both new results and future directions of the EHT.
Stay tuned, because some amazing results are going to be announced soon!
#EHT2025 #EventHorizonTelescope
December 12, 2025 at 7:27 PM
EHT scientists have gathered in the virtual world this week for their 3-day winter collaboration meeting.
They discussed both new results and future directions of the EHT.
Stay tuned, because some amazing results are going to be announced soon!
#EHT2025 #EventHorizonTelescope
They discussed both new results and future directions of the EHT.
Stay tuned, because some amazing results are going to be announced soon!
#EHT2025 #EventHorizonTelescope
🔤 EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡S is for Singularity
In theory, all the mass of a black hole should be concentrated in a single point, hidden within the event horizon. That is why we can’t observe it.
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡S is for Singularity
In theory, all the mass of a black hole should be concentrated in a single point, hidden within the event horizon. That is why we can’t observe it.
December 5, 2025 at 2:41 PM
🔤 EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡S is for Singularity
In theory, all the mass of a black hole should be concentrated in a single point, hidden within the event horizon. That is why we can’t observe it.
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡S is for Singularity
In theory, all the mass of a black hole should be concentrated in a single point, hidden within the event horizon. That is why we can’t observe it.
🔤 EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡R is for Resolution
Any instrument that sees light is defined by its resolution - the smallest scale one can distinguish.
With the EHT you could see a coin on the moon!
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡R is for Resolution
Any instrument that sees light is defined by its resolution - the smallest scale one can distinguish.
With the EHT you could see a coin on the moon!
December 1, 2025 at 2:30 PM
🔤 EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡R is for Resolution
Any instrument that sees light is defined by its resolution - the smallest scale one can distinguish.
With the EHT you could see a coin on the moon!
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡R is for Resolution
Any instrument that sees light is defined by its resolution - the smallest scale one can distinguish.
With the EHT you could see a coin on the moon!
🔤 EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡Q is for Quasar
Once seen as star-like radio sources, spectra showed quasars are distant, ultra-bright galactic cores.
The EHT studies quasars, too!
eventhorizontelescope.org/blog/peering...
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡Q is for Quasar
Once seen as star-like radio sources, spectra showed quasars are distant, ultra-bright galactic cores.
The EHT studies quasars, too!
eventhorizontelescope.org/blog/peering...
November 24, 2025 at 2:23 PM
🔤 EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡Q is for Quasar
Once seen as star-like radio sources, spectra showed quasars are distant, ultra-bright galactic cores.
The EHT studies quasars, too!
eventhorizontelescope.org/blog/peering...
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡Q is for Quasar
Once seen as star-like radio sources, spectra showed quasars are distant, ultra-bright galactic cores.
The EHT studies quasars, too!
eventhorizontelescope.org/blog/peering...
The NSBP/SAO EHT Scholars Program is now accepting applications for Summer 2026!
Apply by Dec. 15th by contacting nsbp-sao-eht@cfa.harvard.edu
Apply by Dec. 15th by contacting nsbp-sao-eht@cfa.harvard.edu
November 20, 2025 at 3:40 PM
The NSBP/SAO EHT Scholars Program is now accepting applications for Summer 2026!
Apply by Dec. 15th by contacting nsbp-sao-eht@cfa.harvard.edu
Apply by Dec. 15th by contacting nsbp-sao-eht@cfa.harvard.edu
🔤 EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 P is for Polarization
Light’s fields oscillate, and their orientation sets its polarization - a key clue to a black hole’s environment.
Learn more: www.youtube.com/watch?v=smZt...
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 P is for Polarization
Light’s fields oscillate, and their orientation sets its polarization - a key clue to a black hole’s environment.
Learn more: www.youtube.com/watch?v=smZt...
November 17, 2025 at 5:54 PM
🔤 EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 P is for Polarization
Light’s fields oscillate, and their orientation sets its polarization - a key clue to a black hole’s environment.
Learn more: www.youtube.com/watch?v=smZt...
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 P is for Polarization
Light’s fields oscillate, and their orientation sets its polarization - a key clue to a black hole’s environment.
Learn more: www.youtube.com/watch?v=smZt...
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡O is for Observing Campaign
Every year, the EHT studies M87*, Sgr A*, and other targets to watch black holes evolve - and to keep improving our images.
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡O is for Observing Campaign
Every year, the EHT studies M87*, Sgr A*, and other targets to watch black holes evolve - and to keep improving our images.
November 14, 2025 at 9:22 PM
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡O is for Observing Campaign
Every year, the EHT studies M87*, Sgr A*, and other targets to watch black holes evolve - and to keep improving our images.
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡O is for Observing Campaign
Every year, the EHT studies M87*, Sgr A*, and other targets to watch black holes evolve - and to keep improving our images.
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 N is for Noise
Every measurement is affected by it. Noise comes from our instruments, Earth’s atmosphere, and even gas and dust between us and what we're observing.
#EHTAZ #blackholes #space
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 N is for Noise
Every measurement is affected by it. Noise comes from our instruments, Earth’s atmosphere, and even gas and dust between us and what we're observing.
#EHTAZ #blackholes #space
November 13, 2025 at 1:51 PM
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 N is for Noise
Every measurement is affected by it. Noise comes from our instruments, Earth’s atmosphere, and even gas and dust between us and what we're observing.
#EHTAZ #blackholes #space
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 N is for Noise
Every measurement is affected by it. Noise comes from our instruments, Earth’s atmosphere, and even gas and dust between us and what we're observing.
#EHTAZ #blackholes #space
Great news! Prof. Mareki Honma, Director of NAOJ Mizusawa VLBI Observatory and long-standing member of the EHT, has been awarded the 2025 Nishina Memorial Prize. The award recognizes his achievements in contributions to imaging the shadow of supermassive black holes.
November 7, 2025 at 12:14 PM
Great news! Prof. Mareki Honma, Director of NAOJ Mizusawa VLBI Observatory and long-standing member of the EHT, has been awarded the 2025 Nishina Memorial Prize. The award recognizes his achievements in contributions to imaging the shadow of supermassive black holes.
🔤 EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡M is for Multi-Wavelength
Black holes power active galactic nuclei like M87, which shine across many wavelengths.
Learn more: eventhorizontelescope.org/blog/m87s-po...
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡M is for Multi-Wavelength
Black holes power active galactic nuclei like M87, which shine across many wavelengths.
Learn more: eventhorizontelescope.org/blog/m87s-po...
November 5, 2025 at 2:14 PM
🔤 EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡M is for Multi-Wavelength
Black holes power active galactic nuclei like M87, which shine across many wavelengths.
Learn more: eventhorizontelescope.org/blog/m87s-po...
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡M is for Multi-Wavelength
Black holes power active galactic nuclei like M87, which shine across many wavelengths.
Learn more: eventhorizontelescope.org/blog/m87s-po...
🔤EHT A-Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡L is for Light Bending
Black holes, like the one in M87, bend light with their intense gravity - letting us see even what’s behind them.
#EHTAZ #blackhole #science #space
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡L is for Light Bending
Black holes, like the one in M87, bend light with their intense gravity - letting us see even what’s behind them.
#EHTAZ #blackhole #science #space
November 3, 2025 at 6:47 PM
🔤EHT A-Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡L is for Light Bending
Black holes, like the one in M87, bend light with their intense gravity - letting us see even what’s behind them.
#EHTAZ #blackhole #science #space
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡L is for Light Bending
Black holes, like the one in M87, bend light with their intense gravity - letting us see even what’s behind them.
#EHTAZ #blackhole #science #space
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡K is for Kerr Black Hole
In 1963, Roy Kerr solved Einstein’s equations for a rotating black hole. EHT data supports this model, but their true spin is still uncertain.
#EHTAZ #astronomy #blackhole
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡K is for Kerr Black Hole
In 1963, Roy Kerr solved Einstein’s equations for a rotating black hole. EHT data supports this model, but their true spin is still uncertain.
#EHTAZ #astronomy #blackhole
October 27, 2025 at 3:10 PM
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡K is for Kerr Black Hole
In 1963, Roy Kerr solved Einstein’s equations for a rotating black hole. EHT data supports this model, but their true spin is still uncertain.
#EHTAZ #astronomy #blackhole
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡K is for Kerr Black Hole
In 1963, Roy Kerr solved Einstein’s equations for a rotating black hole. EHT data supports this model, but their true spin is still uncertain.
#EHTAZ #astronomy #blackhole
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 J is for Jet
Black holes can launch powerful streams of particles moving at nearly the speed of light - we call these jets.
Just look at the striking one in M87!
#blackholes #EHTAZ #astronomy
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 J is for Jet
Black holes can launch powerful streams of particles moving at nearly the speed of light - we call these jets.
Just look at the striking one in M87!
#blackholes #EHTAZ #astronomy
October 24, 2025 at 7:20 PM
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 J is for Jet
Black holes can launch powerful streams of particles moving at nearly the speed of light - we call these jets.
Just look at the striking one in M87!
#blackholes #EHTAZ #astronomy
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡 J is for Jet
Black holes can launch powerful streams of particles moving at nearly the speed of light - we call these jets.
Just look at the striking one in M87!
#blackholes #EHTAZ #astronomy
🔤EHT A-Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡I is for Interferometry
By combining signals from telescopes around the world, we measure how radio waves interfere - allowing us to reconstruct detailed images of distant objects like black holes.
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡I is for Interferometry
By combining signals from telescopes around the world, we measure how radio waves interfere - allowing us to reconstruct detailed images of distant objects like black holes.
October 21, 2025 at 1:59 PM
🔤EHT A-Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡I is for Interferometry
By combining signals from telescopes around the world, we measure how radio waves interfere - allowing us to reconstruct detailed images of distant objects like black holes.
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡I is for Interferometry
By combining signals from telescopes around the world, we measure how radio waves interfere - allowing us to reconstruct detailed images of distant objects like black holes.
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡H is for High Energy
Black holes accelerate particles to incredibly high energies. The EHT captures low-energy radio waves to reveal the structure of these extreme realms.
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡H is for High Energy
Black holes accelerate particles to incredibly high energies. The EHT captures low-energy radio waves to reveal the structure of these extreme realms.
October 16, 2025 at 7:32 PM
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡H is for High Energy
Black holes accelerate particles to incredibly high energies. The EHT captures low-energy radio waves to reveal the structure of these extreme realms.
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡H is for High Energy
Black holes accelerate particles to incredibly high energies. The EHT captures low-energy radio waves to reveal the structure of these extreme realms.
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡G is for General Relativity
Einstein’s theory says mass bends space-time - that’s gravity. Black holes are its most extreme prediction, and EHT images help confirm it.
#blackholes #EHTAZ #astronomy
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡G is for General Relativity
Einstein’s theory says mass bends space-time - that’s gravity. Black holes are its most extreme prediction, and EHT images help confirm it.
#blackholes #EHTAZ #astronomy
October 14, 2025 at 8:40 PM
🔤EHT A–Z
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡G is for General Relativity
Einstein’s theory says mass bends space-time - that’s gravity. Black holes are its most extreme prediction, and EHT images help confirm it.
#blackholes #EHTAZ #astronomy
We’re breaking down the science behind the Event Horizon Telescope - one letter at a time.
📡G is for General Relativity
Einstein’s theory says mass bends space-time - that’s gravity. Black holes are its most extreme prediction, and EHT images help confirm it.
#blackholes #EHTAZ #astronomy