Steward Observatory, University of Arizona
@stewardobservatory.bsky.social
Official UA Astronomy and Steward Observatory account. Pioneers of JWST MIRI and NIRCam, Event Horizon Telescope, and GMT, and home to the Richard F Carris Mirror Lab, Mt Lemmon Sky Center, and one of the world’s best astronomy programs. astro.arizona.edu
Reposted by Steward Observatory, University of Arizona
We appreciate the staff at Steward Observatory @stewardobservatory.bsky.social keeping the telescopes accessible! Clearing out snow from a recent storm so we can get back to finding hazardous asteroids!
January 27, 2026 at 9:12 PM
We appreciate the staff at Steward Observatory @stewardobservatory.bsky.social keeping the telescopes accessible! Clearing out snow from a recent storm so we can get back to finding hazardous asteroids!
Congrats to our U of A astronomy students for their @aas.org Chambliss Student Poster Competition wins! Rafael Bertolotto, Olivia Culbert & Kate Gold shined among 480+ entries nationwide. Read more about their stories and their posters: bit.ly/4kcJPx2
January 30, 2026 at 11:26 PM
Congrats to our U of A astronomy students for their @aas.org Chambliss Student Poster Competition wins! Rafael Bertolotto, Olivia Culbert & Kate Gold shined among 480+ entries nationwide. Read more about their stories and their posters: bit.ly/4kcJPx2
Reposted by Steward Observatory, University of Arizona
RCSA, @heisingsimonsfdn.bsky.social, the Leinweber Foundation, and Kevin Wells are funding the research of 7 collaborative teams in the 2nd year of #Scialog: Early Science with the #LSST, a 3-year initiative to ignite discovery with the @vrubinobs.bsky.social's Legacy Survey of Space and Time.
2025 Scialog: Early Science with the LSST Awards
RCSA, the Heising-Simons Foundation, the Leinweber Foundation, and Kevin Wells are awarding $1,254,000 total to support the research of seven collaborative teams of scientists from colleges, universit...
rescorp.org
January 21, 2026 at 5:32 PM
RCSA, @heisingsimonsfdn.bsky.social, the Leinweber Foundation, and Kevin Wells are funding the research of 7 collaborative teams in the 2nd year of #Scialog: Early Science with the #LSST, a 3-year initiative to ignite discovery with the @vrubinobs.bsky.social's Legacy Survey of Space and Time.
Congrats to Dr. Kate Alexander & Dr. Carl Fields on winning 2025 Scialog Awards, for their groundbreaking research with the Vera C. Rubin Observatory to study black holes, stellar explosions & the universe's first massive objects: bit.ly/3ZkGvGJ
January 26, 2026 at 8:22 PM
Congrats to Dr. Kate Alexander & Dr. Carl Fields on winning 2025 Scialog Awards, for their groundbreaking research with the Vera C. Rubin Observatory to study black holes, stellar explosions & the universe's first massive objects: bit.ly/3ZkGvGJ
Congrats to Rosie Johnson on receiving the CoSSAC Star Award! As Project Manager at Steward Observatory, she supports 140+ faculty, postdocs & students across multiple programs. Her exceptional organizational skills keep UA astronomy thriving. bit.ly/4jtPBtG
January 9, 2026 at 7:09 PM
Congrats to Rosie Johnson on receiving the CoSSAC Star Award! As Project Manager at Steward Observatory, she supports 140+ faculty, postdocs & students across multiple programs. Her exceptional organizational skills keep UA astronomy thriving. bit.ly/4jtPBtG
Reposted by Steward Observatory, University of Arizona
Just spent the day doing a thing: www.science.org/content/arti...
Roger Angel and I are Co-PIing the LFAST telescope, which is being built at @stewardobservatory.bsky.social and provides the ground based spectroscopic component of this venture.
@schmidtsciences.bsky.social #AAS247 #Arizona #LFAST
Roger Angel and I are Co-PIing the LFAST telescope, which is being built at @stewardobservatory.bsky.social and provides the ground based spectroscopic component of this venture.
@schmidtsciences.bsky.social #AAS247 #Arizona #LFAST
Ex–Google CEO funds private space telescope bigger than Hubble
Schmidt Sciences announces investments in orbiting observatory and three ground-based instruments
www.science.org
January 8, 2026 at 5:53 AM
Just spent the day doing a thing: www.science.org/content/arti...
Roger Angel and I are Co-PIing the LFAST telescope, which is being built at @stewardobservatory.bsky.social and provides the ground based spectroscopic component of this venture.
@schmidtsciences.bsky.social #AAS247 #Arizona #LFAST
Roger Angel and I are Co-PIing the LFAST telescope, which is being built at @stewardobservatory.bsky.social and provides the ground based spectroscopic component of this venture.
@schmidtsciences.bsky.social #AAS247 #Arizona #LFAST
Eric and Wendy Schmidt spearhead 4 next-gen telescopes with U of A astronomers leading the development of the LFAST (Large Format Array for Time-domain Studies) facility and contributing key technology like advanced coronagraphs. Read more bit.ly/3NdBdtA
January 9, 2026 at 12:05 AM
Eric and Wendy Schmidt spearhead 4 next-gen telescopes with U of A astronomers leading the development of the LFAST (Large Format Array for Time-domain Studies) facility and contributing key technology like advanced coronagraphs. Read more bit.ly/3NdBdtA
Calling all Precision Optics Professionals —the Richard F. Caris Mirror Lab is hiring!
· Senior Engineer, Optical Fabrication: tinyurl.com/mr3ucfdv
· Chief Engineer, RFCML Metrology: tinyurl.com/35kwkk3v
· Senior Engineer, Optical Fabrication: tinyurl.com/mr3ucfdv
· Chief Engineer, RFCML Metrology: tinyurl.com/35kwkk3v
October 7, 2025 at 6:05 PM
Calling all Precision Optics Professionals —the Richard F. Caris Mirror Lab is hiring!
· Senior Engineer, Optical Fabrication: tinyurl.com/mr3ucfdv
· Chief Engineer, RFCML Metrology: tinyurl.com/35kwkk3v
· Senior Engineer, Optical Fabrication: tinyurl.com/mr3ucfdv
· Chief Engineer, RFCML Metrology: tinyurl.com/35kwkk3v
We are pleased to celebrate the great news that MIT has joined GMTO as the newest member of our international consortium. Read about this major milestone in the progression of GMTO to completion: bit.ly/3IOpyzv
October 1, 2025 at 3:07 PM
We are pleased to celebrate the great news that MIT has joined GMTO as the newest member of our international consortium. Read about this major milestone in the progression of GMTO to completion: bit.ly/3IOpyzv
What if we told you black holes flip the switch on their magnetic fields? Recent images from the EHT show exactly that in M87*. This reshapes what we know about how black holes feed and power their colossal jets. Explore Steward’s role in the discovery: bit.ly/4prwzGV
September 17, 2025 at 2:37 AM
What if we told you black holes flip the switch on their magnetic fields? Recent images from the EHT show exactly that in M87*. This reshapes what we know about how black holes feed and power their colossal jets. Explore Steward’s role in the discovery: bit.ly/4prwzGV
Last month, U of A’s CatSat mission—built by students—snapped a breathtaking image of Hurricane Erin, the largest Atlantic hurricane since Sandy. What started as an ionospheric mission became a once-in-a-decade weather event captured from space: bit.ly/45W1weT
September 8, 2025 at 9:41 PM
Last month, U of A’s CatSat mission—built by students—snapped a breathtaking image of Hurricane Erin, the largest Atlantic hurricane since Sandy. What started as an ionospheric mission became a once-in-a-decade weather event captured from space: bit.ly/45W1weT
Looking for life beyond Earth? Steward Observatory's @danielapai.bsky.social is helping redefine what “life” means—a key step in exploring exoplanets & our own solar system. Read more:https://bit.ly/47VYUPh
September 2, 2025 at 10:21 PM
Looking for life beyond Earth? Steward Observatory's @danielapai.bsky.social is helping redefine what “life” means—a key step in exploring exoplanets & our own solar system. Read more:https://bit.ly/47VYUPh
Using Steward Observatory's MagAO-X, astronomers have captured—for the first time—a baby planet growing inside a disk of dust and gas. The sharp U of A-developed adaptive optics revealed how young worlds plow dark paths through their star’s protoplanetary disks as they form: bit.ly/3Vn0CSo
August 27, 2025 at 9:06 PM
Using Steward Observatory's MagAO-X, astronomers have captured—for the first time—a baby planet growing inside a disk of dust and gas. The sharp U of A-developed adaptive optics revealed how young worlds plow dark paths through their star’s protoplanetary disks as they form: bit.ly/3Vn0CSo
The American Institute of Aeronautics and Astronautics (AIAA) has selected CatSat as a finalist for the Rookie Satellite of the Year award! Voting closes on Tuesday, August 12 at 11:59 pm - cast your vote now: bit.ly/4ltscb7
August 12, 2025 at 10:20 PM
The American Institute of Aeronautics and Astronautics (AIAA) has selected CatSat as a finalist for the Rookie Satellite of the Year award! Voting closes on Tuesday, August 12 at 11:59 pm - cast your vote now: bit.ly/4ltscb7
In a new paper this month from Carlos Vargas and the Aspera team, readers get updates and context for the Steward Observatory-based mission. Learn more about this bold mission that aims to study galaxy evolution through UV light: bit.ly/3INfG93
July 29, 2025 at 12:39 AM
In a new paper this month from Carlos Vargas and the Aspera team, readers get updates and context for the Steward Observatory-based mission. Learn more about this bold mission that aims to study galaxy evolution through UV light: bit.ly/3INfG93
For 40 years, Michelle Cournoyer has supported students and faculty, solved problems, and shown up with heart. As she prepares to retire this August, we celebrate the impact of a true Steward Observatory legend: bit.ly/3GWkAQv
July 28, 2025 at 11:52 PM
For 40 years, Michelle Cournoyer has supported students and faculty, solved problems, and shown up with heart. As she prepares to retire this August, we celebrate the impact of a true Steward Observatory legend: bit.ly/3GWkAQv
The @vrubinobs.bsky.social has captured its first images with the largest digital camera ever built—and many of its tiny, powerful sensors were made here at our Imaging Technology Lab! Now begins a decade-long survey of the night sky, powered by @uarizona.bsky.social tech. Read more: bit.ly/4kJ404m
July 16, 2025 at 7:39 PM
The @vrubinobs.bsky.social has captured its first images with the largest digital camera ever built—and many of its tiny, powerful sensors were made here at our Imaging Technology Lab! Now begins a decade-long survey of the night sky, powered by @uarizona.bsky.social tech. Read more: bit.ly/4kJ404m
Reposted by Steward Observatory, University of Arizona
The University of Arizona ranked #4 in space sciences globally according to the latest report from US News and World report! This ranking includes both LPL and @stewardobservatory.bsky.social. Read more about this honor here: www.usnews.com/education/be...
www.usnews.com
June 20, 2025 at 5:23 PM
The University of Arizona ranked #4 in space sciences globally according to the latest report from US News and World report! This ranking includes both LPL and @stewardobservatory.bsky.social. Read more about this honor here: www.usnews.com/education/be...
Reposted by Steward Observatory, University of Arizona
from every perspective Rubin is remarkable. From a telescope optics point of view, the primary/tertiary on a single substrate is absolutely incredible. Buddy Martin of @stewardobservatory.bsky.social is an optics wizard. #RubinFirstLook
June 23, 2025 at 10:38 AM
from every perspective Rubin is remarkable. From a telescope optics point of view, the primary/tertiary on a single substrate is absolutely incredible. Buddy Martin of @stewardobservatory.bsky.social is an optics wizard. #RubinFirstLook
@vrubinobs.bsky.social has released its first imagery: glowing nebulas, pulsating stars, swarms of asteroids and millions of galaxies. For Steward Observatory, this moment represents the culmination of decades of vision and hard work, from colossal mirrors to tiny sensors. Read more: bit.ly/4lorn3O
U of A astronomers celebrate first look at the universe from the Vera C. Rubin Observatory | Steward Observatory
bit.ly
June 25, 2025 at 9:00 PM
@vrubinobs.bsky.social has released its first imagery: glowing nebulas, pulsating stars, swarms of asteroids and millions of galaxies. For Steward Observatory, this moment represents the culmination of decades of vision and hard work, from colossal mirrors to tiny sensors. Read more: bit.ly/4lorn3O
The GMT has received official approval from the National Science Foundation (NSF), confirming that the observatory will advance into its Major Facilities Final Design Phase, one of the final steps before becoming eligible for federal construction funding: bit.ly/3SO8Di0
June 13, 2025 at 7:18 PM
The GMT has received official approval from the National Science Foundation (NSF), confirming that the observatory will advance into its Major Facilities Final Design Phase, one of the final steps before becoming eligible for federal construction funding: bit.ly/3SO8Di0
An international team of astronomers that includes Associate Astronomer Chi-kwan Chan of Steward Observatory has trained a neural network with millions of synthetic black hole data sets--highlighting the potential for AI to advance astronomy discoveries: bit.ly/3FOlZrx
June 6, 2025 at 8:18 PM
An international team of astronomers that includes Associate Astronomer Chi-kwan Chan of Steward Observatory has trained a neural network with millions of synthetic black hole data sets--highlighting the potential for AI to advance astronomy discoveries: bit.ly/3FOlZrx
Congratulations to Roswell Roberts IV, Astronomy major and winner of the Outstanding Senior Award in the Dept. of Hydrology & Atmospheric Science! Read Roswell's reflections on his time at U of A: bit.ly/4kU4YeF
June 4, 2025 at 6:00 PM
Congratulations to Roswell Roberts IV, Astronomy major and winner of the Outstanding Senior Award in the Dept. of Hydrology & Atmospheric Science! Read Roswell's reflections on his time at U of A: bit.ly/4kU4YeF
When is an alien world habitable? Steward Observatory's @danielapai.bsky.social explores this question in his latest article in The Conversation: bit.ly/43vZKQw
June 3, 2025 at 10:52 PM
When is an alien world habitable? Steward Observatory's @danielapai.bsky.social explores this question in his latest article in The Conversation: bit.ly/43vZKQw
Congratulations to Nikhil Garuda, recipient of the College of Science Outstanding Senior Award. “The astronomical community thrives when knowledge flows freely between generations of researchers,” he says. Read his reflections on his time at Steward: bit.ly/43ffdTm
May 21, 2025 at 9:23 PM
Congratulations to Nikhil Garuda, recipient of the College of Science Outstanding Senior Award. “The astronomical community thrives when knowledge flows freely between generations of researchers,” he says. Read his reflections on his time at Steward: bit.ly/43ffdTm