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The Galaxy Living Too Fast
Twelve million light years away, a galaxy is living fast and burning bright, forging new stars ten times quicker than our own Milky Way in a frenzy that cannot possibly last. Now the James Webb Space Telescope has cut clean through its veil of dust to count an astonishing 16.5 million of its stars, one by one. So what is driving the Cigar Galaxy to burn so furiously?
A Turquoise Tint for the Black Sea
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A Turquoise Tint for the Black Sea
- Earth
- Earth Observatory
- Image of the Day
- EO Explorer
- Topics
- More Content
- About
NASA’s TESS Mission Reveals the “Puffiest” Planets Ever Found
Data from NASA’s TESS (Transiting Exoplanet Survey Satellite) mission has revealed two new “super-puff” planets, giant worlds so light that their density is comparable to cotton candy. Scientists calculate that these Jupiter-sized planets—named TOI-791 b and TOI-791 c—are the “puffiest” worlds ever found.
The planets orbit a Sun-like star named TOI-791 that is approximately 1,113 light years away from Earth. The TESS mission first detected the planets by watching for repeated dips in TOI-791’s brightness, a telltale sign that a planet is transiting, or passing in front of, a star. Further study revealed two large planets with unusual features.
TOI-791 b is nearly the same size as Jupiter but contains just 3.0 percent of Jupiter’s mass. TOI-791 c is even larger than Jupiter but contains just 5.9 percent of Jupiter’s mass.
“The main reason these planets are interesting to study is that we didn’t expect to see them at all,” said Jon Jenkins, the science lead for the Science Processing Operations Center at NASA’s Ames Research Center in California’s Silicon Valley, which provided the science-ready data from TESS analyzed in this study. “They represent a puzzle for us to solve about how giant planets like Jupiter and the super-puffs form.”
This graphic depicts the two giant planets orbiting the Sun-like star TOI-791 as compared to some of the planets in our solar system. These planets are roughly the size of Jupiter but a very tiny fraction of its mass. NASA’s TESS mission detected the shadows of these planets as they passed in front of their star. There is no direct imaging. Therefore, the appearance of the TOI-79 planets in this illustration are an artist’s interpretation. NASA / Daniel Rutter
The newly found super-puffs also have unusually long orbits, with TOI‑791 b taking 139 days and TOI‑791 c taking 232 days to circle the host star. Such long-orbit planets are rare to find, needing long durations of telescope observation to capture and confirm their attributes. From its vantage point in high Earth orbit, TESS was able to gather 1,122 days of data on this planetary system over the course of seven years, giving the research team a wealth of data about the planetary system.
Further analysis found that TOI-791 b and TOI-791 c are locked in an orbital pattern that allows them to tug on each other gravitationally. As they orbit their host star, the planets alternate pulling on each other, affecting the timing of their transits across the host star. Scientists used that variation in orbital timing to calculate the planets’ masses, cementing their status as low density super-puffs.
“Only a handful of these super-puffy planets are known, and it is even rarer to find two in the same system,” said lead author George Dransfield of Oxford University’s Department of Physics in Oxford, England. “Their extremely low densities make them fascinating targets for understanding how planetary systems form and evolve.”
With further study, the super-puffs may have more to tell us about planetary evolution.
“Large planet formation is believed to drive the evolution of a planetary system, so further study of these Jupiter-size, but far less than Jupiter-mass, planets is of high value,” said Steve Howell, a NASA Ames research scientist who was involved in this study.
Scientists hope to learn more about the chemical makeup of the planets’ atmospheres, how their spin affects their shape, and how the tilt of their host star compares to their orbits. Deeper investigation could provide new insight into how TOI-791 b and TOI-791 c migrated through the planetary system during their development, whether their orbits were shaped by interactions with other planets, and how low-density super-puff planets form.
The study, published today in the Monthly Notices of the Royal Astronomical Society, was led by the University of Oxford, in collaboration with Université Côte d’Azur/Observatoire de la Côte d’Azur and the University of Birmingham.
NASA’s TESS Mission Reveals the “Puffiest” Planets Ever Found
Data from NASA’s TESS (Transiting Exoplanet Survey Satellite) mission has revealed two new “super-puff” planets, giant worlds so light that their density is comparable to cotton candy. Scientists calculate that these Jupiter-sized planets—named TOI-791 b and TOI-791 c—are the “puffiest” worlds ever found.
The planets orbit a Sun-like star named TOI-791 that is approximately 1,113 light years away from Earth. The TESS mission first detected the planets by watching for repeated dips in TOI-791’s brightness, a telltale sign that a planet is transiting, or passing in front of, a star. Further study revealed two large planets with unusual features.
TOI-791 b is nearly the same size as Jupiter but contains just 3.0 percent of Jupiter’s mass. TOI-791 c is even larger than Jupiter but contains just 5.9 percent of Jupiter’s mass.
“The main reason these planets are interesting to study is that we didn’t expect to see them at all,” said Jon Jenkins, the science lead for the Science Processing Operations Center at NASA’s Ames Research Center in California’s Silicon Valley, which provided the science-ready data from TESS analyzed in this study. “They represent a puzzle for us to solve about how giant planets like Jupiter and the super-puffs form.”
This graphic depicts the two giant planets orbiting the Sun-like star TOI-791 as compared to some of the planets in our solar system. These planets are roughly the size of Jupiter but a very tiny fraction of its mass. NASA’s TESS mission detected the shadows of these planets as they passed in front of their star. There is no direct imaging. Therefore, the appearance of the TOI-79 planets in this illustration are an artist’s interpretation. NASA / Daniel RutterThe newly found super-puffs also have unusually long orbits, with TOI‑791 b taking 139 days and TOI‑791 c taking 232 days to circle the host star. Such long-orbit planets are rare to find, needing long durations of telescope observation to capture and confirm their attributes. From its vantage point in high Earth orbit, TESS was able to gather 1,122 days of data on this planetary system over the course of seven years, giving the research team a wealth of data about the planetary system.
Further analysis found that TOI-791 b and TOI-791 c are locked in an orbital pattern that allows them to tug on each other gravitationally. As they orbit their host star, the planets alternate pulling on each other, affecting the timing of their transits across the host star. Scientists used that variation in orbital timing to calculate the planets’ masses, cementing their status as low density super-puffs.
“Only a handful of these super-puffy planets are known, and it is even rarer to find two in the same system,” said lead author George Dransfield of Oxford University’s Department of Physics in Oxford, England. “Their extremely low densities make them fascinating targets for understanding how planetary systems form and evolve.”
With further study, the super-puffs may have more to tell us about planetary evolution.
“Large planet formation is believed to drive the evolution of a planetary system, so further study of these Jupiter-size, but far less than Jupiter-mass, planets is of high value,” said Steve Howell, a NASA Ames research scientist who was involved in this study.
Scientists hope to learn more about the chemical makeup of the planets’ atmospheres, how their spin affects their shape, and how the tilt of their host star compares to their orbits. Deeper investigation could provide new insight into how TOI-791 b and TOI-791 c migrated through the planetary system during their development, whether their orbits were shaped by interactions with other planets, and how low-density super-puff planets form.
The study, published today in the Monthly Notices of the Royal Astronomical Society, was led by the University of Oxford, in collaboration with Université Côte d’Azur/Observatoire de la Côte d’Azur and the University of Birmingham.
Astronomers Find Stellar Evidence of an Engulfed Planet
A team of 14 researchers from the United States and Chile have found evidence of a subgiant star eating one of its planets. The star, called TOI-5882, was already known to astronomers because of its massive companion, a brown dwarf called TOI-5882 b. The companion may well have helped kick a planet onto a spiraling journey into the star.
That "Pink Planet" Astronomers Found Turns Out to be a Salty Customer!
Found in 2013, Pink Planet was too faint to study with ground-based telescopes. In new study, scientists used JWST and advanced processing methods to obtain its spectrum for the first time. Observations provided some of the first direct evidence for salt clouds in a cold object atmosphere. Pink Planet could be a giant planet or brown dwarf, so astronomers refer to it as a ‘planetary-mass companion’.
NASA at the Ion: Orion Lessons from Artemis II Shape NASA’s Moon to Mars Path
Seven weeks after the Orion spacecraft returned four astronauts from humanity’s first crewed journey around the Moon since Apollo, Artemis II Orion Vehicle Manager Branelle Rodriguez reflected on the mission’s achievements and how it is shaping NASA’s return to the lunar surface and future missions to Mars.
Introduced by NASA’s Johnson Space Center Acting Director of Business Development and Technology Integration Monte Goforth, Rodriguez spoke at the Ion in Houston on May 28 as part of the NASA Stories at the Ion speaker series. Located in Houston’s Ion District, the innovation hub serves as a gathering place for entrepreneurs, researchers, and industry leaders working to advance technology and shape the future of industries ranging from aerospace to energy.
She shared an inside look at the mission she helped guide — as the Orion vehicle manager for Artemis II, Rodriguez has overseen the life of the spacecraft from end-to-end, through its development, production, execution of the mission, and currently, the post-mission work underway now that Orion is back at NASA’s Kennedy Space Center in Florida.
“This mission was very near and dear to my heart,” Rodriguez said. “It has not sunk in what this mission and what this accomplishment all means to us and humanity.”
From left: NASA’s Johnson Space Center Acting Director of Business Development and Technology Integration Monte Goforth, Artemis II Orion Vehicle Manager Branelle Rodriguez, and Director of the Rice Space Institute David Alexander.
Launched April 1, Artemis II carried NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with CSA (Canadian Space Agency) astronaut Jeremy Hansen, on a 10-day voyage around the Moon inside the Orion spacecraft.
Using mission imagery and video, Rodriguez walked attendees through key milestones, including launch aboard NASA’s SLS (Space Launch System) rocket, operations in high-Earth orbit, a lunar flyby, and Orion’s return to Earth. She also shared views from Orion captured by the crew, including Earthrise, detailed images of the lunar surface, and a solar eclipse observed from deep space.
Artemis II successfully demonstrated Orion’s performance during its first crewed deep space mission. The mission tested Orion’s life support systems, crew interfaces, navigation, and reentry systems, providing data that will help teams prepare for upcoming Artemis missions. The crew also completed a manual piloting demonstration, evaluating Orion handling and proximity operations that will inform future rendezvous and docking activities.
“I think it really hit me at T-minus 10 seconds,” Rodriguez said. “That’s when we go into ‘terminal count,’ meaning there’s just no turning back.”
Rodriguez emphasized that Orion’s success on Artemis II was the result of global teamwork across NASA centers, industry partners, and international agencies. She highlighted the European Service Module, provided by ESA (European Space Agency), which supplies Orion with power, propulsion, oxygen, water, and other resources needed during flight. In the Orion Mission Evaluation Room at Johnson, more than 300 people supported the mission, monitoring spacecraft systems and standing ready to respond in real time. Among the mission’s more personal touches was Rise, Orion’s zero-gravity indicator. The plushie, created by a student through an Artemis II design competition, carried a memory card containing over 5.6 million names of space fans who signed up through NASA’s “Send Your Name with Artemis” effort.
“It is what the crew wanted – to bring all of us with them on this mission,” Rodriguez said.
The crew also designed the mission patch with a hidden detail: viewed from a distance, the artwork reads “all” – a deliberate tribute to everyone who made the mission a success.
“It is a village that makes this possible, absolutely,” she said. Looking ahead, Rodriguez discussed preparations underway for upcoming Artemis missions. Artemis III will test critical rendezvous and docking capabilities between Orion and commercial human landing systems in low Earth orbit and advance plans to return astronauts to the lunar surface. On June 9, NASA announced the Artemis III crew at Johnson Space Center in Houston, while hardware for future missions is already in production at Kennedy Space Center in Florida.
For Rodriguez, Artemis II demonstrated what is possible when thousands of people work toward a common goal, supporting NASA’s vision of a sustained presence at the Moon and, ultimately, human missions to Mars.
“It’s going to take time to build this all up,” Rodriguez said. “But we are off and running.”
Explore More 4 min read I Am Artemis: Jason PetersonJason Peterson’s responsibilities for NASA’s Artemis II mission went beyond his usual role as the…
Article 2 days ago 3 min read I Am Artemis: Elkin Norena Article 2 weeks ago 4 min read How NASA Science and Artemis Are Shaping the 2026 FIFA World Cup Article 2 weeks agoNASA at the Ion: Orion Lessons from Artemis II Shape NASA’s Moon to Mars Path
Seven weeks after the Orion spacecraft returned four astronauts from humanity’s first crewed journey around the Moon since Apollo, Artemis II Orion Vehicle Manager Branelle Rodriguez reflected on the mission’s achievements and how it is shaping NASA’s return to the lunar surface and future missions to Mars.
Introduced by NASA’s Johnson Space Center Acting Director of Business Development and Technology Integration Monte Goforth, Rodriguez spoke at the Ion in Houston on May 28 as part of the NASA Stories at the Ion speaker series. Located in Houston’s Ion District, the innovation hub serves as a gathering place for entrepreneurs, researchers, and industry leaders working to advance technology and shape the future of industries ranging from aerospace to energy.
She shared an inside look at the mission she helped guide — as the Orion vehicle manager for Artemis II, Rodriguez has overseen the life of the spacecraft from end-to-end, through its development, production, execution of the mission, and currently, the post-mission work underway now that Orion is back at NASA’s Kennedy Space Center in Florida.
“This mission was very near and dear to my heart,” Rodriguez said. “It has not sunk in what this mission and what this accomplishment all means to us and humanity.”
From left: NASA’s Johnson Space Center Acting Director of Business Development and Technology Integration Monte Goforth, Artemis II Orion Vehicle Manager Branelle Rodriguez, and Director of the Rice Space Institute David Alexander.Launched April 1, Artemis II carried NASA astronauts Reid Wiseman, Victor Glover, and Christina Koch, along with CSA (Canadian Space Agency) astronaut Jeremy Hansen, on a 10-day voyage around the Moon inside the Orion spacecraft.
Using mission imagery and video, Rodriguez walked attendees through key milestones, including launch aboard NASA’s SLS (Space Launch System) rocket, operations in high-Earth orbit, a lunar flyby, and Orion’s return to Earth. She also shared views from Orion captured by the crew, including Earthrise, detailed images of the lunar surface, and a solar eclipse observed from deep space.
Artemis II successfully demonstrated Orion’s performance during its first crewed deep space mission. The mission tested Orion’s life support systems, crew interfaces, navigation, and reentry systems, providing data that will help teams prepare for upcoming Artemis missions. The crew also completed a manual piloting demonstration, evaluating Orion handling and proximity operations that will inform future rendezvous and docking activities.
“I think it really hit me at T-minus 10 seconds,” Rodriguez said. “That’s when we go into ‘terminal count,’ meaning there’s just no turning back.”
Rodriguez emphasized that Orion’s success on Artemis II was the result of global teamwork across NASA centers, industry partners, and international agencies. She highlighted the European Service Module, provided by ESA (European Space Agency), which supplies Orion with power, propulsion, oxygen, water, and other resources needed during flight. In the Orion Mission Evaluation Room at Johnson, more than 300 people supported the mission, monitoring spacecraft systems and standing ready to respond in real time. Among the mission’s more personal touches was Rise, Orion’s zero-gravity indicator. The plushie, created by a student through an Artemis II design competition, carried a memory card containing over 5.6 million names of space fans who signed up through NASA’s “Send Your Name with Artemis” effort.
“It is what the crew wanted – to bring all of us with them on this mission,” Rodriguez said.
The crew also designed the mission patch with a hidden detail: viewed from a distance, the artwork reads “all” – a deliberate tribute to everyone who made the mission a success.
“It is a village that makes this possible, absolutely,” she said. Looking ahead, Rodriguez discussed preparations underway for upcoming Artemis missions. Artemis III will test critical rendezvous and docking capabilities between Orion and commercial human landing systems in low Earth orbit and advance plans to return astronauts to the lunar surface. On June 9, NASA announced the Artemis III crew at Johnson Space Center in Houston, while hardware for future missions is already in production at Kennedy Space Center in Florida.
For Rodriguez, Artemis II demonstrated what is possible when thousands of people work toward a common goal, supporting NASA’s vision of a sustained presence at the Moon and, ultimately, human missions to Mars.
“It’s going to take time to build this all up,” Rodriguez said. “But we are off and running.”
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Article 2 days agoInto the Void: Investigating the Heart of a Giant Elliptical Galaxy
The core of the brightest galaxy in the cluster Abell 402 contains a curious void. New observations suggest that an ultra-massive black hole could have excavated this feature.
The post Into the Void: Investigating the Heart of a Giant Elliptical Galaxy appeared first on Sky & Telescope.
La NASA compartirá los últimos avances del programa Base Lunar
Lea esta nota de prensa en inglés aquí.
El administrador de la NASA, Jared Isaacman, ofrecerá una conversación virtual el martes 30 de junio a las 2:30 p.m. EDT (hora del este) para compartir las novedades más recientes sobre los planes de la agencia para construir una base en la superficie de la Luna.
El administrador Isaacman y Carlos García-Galán, director del programa Base Lunar, hablarán sobre la próxima ronda de adjudicaciones para nuevas misiones de módulos de alunizaje y ofrecerán un avance de las próximas oportunidades a medida que la agencia avanza en la construcción de una presencia sostenida en la Luna.
La rueda de prensa se transmitirá por el canal de YouTube de la NASA (en inglés). Una repetición instantánea estará disponible en línea. Infórmese sobre cómo ver el contenido de la NASA en distintas plataformas, incluidas las redes sociales (información en inglés).
Para hacer preguntas de forma virtual durante el evento, los periodistas deberán confirmar su asistencia a más tardar a las 12:30 p.m. EDT (hora del este) del 30 de junio escribiendo a: hq-media@mail.nasa.gov. La política de acreditación de medios de la NASA está disponible en línea (en inglés).
La NASA avanza en el desarrollo de la Base Lunar, una iniciativa de exploración e infraestructura lunar a largo plazo diseñada para permitir una presencia humana sostenida y ampliar la actividad científica y comercial en la superficie de la Luna.
Como parte de una edad de oro de innovación y exploración, la NASA enviará astronautas en misiones cada vez más difíciles para explorar más de la Luna con fines de descubrimiento científico y beneficios económicos, y para continuar sentando las bases para las primeras misiones tripuladas a Marte.
Para obtener más información (en inglés) sobre los planes de la NASA para la Base Lunar, visite:
-fin-
Bethany Stevens / Rachel Kraft / María José Viñas
Sede central, Washington
+1 202-358-1600
bethany.c.stevens@nasa.gov / rachel.h.kraft@nasa.gov / maria-jose.vinasgarcia@nasa.gov
La NASA compartirá los últimos avances del programa Base Lunar
Lea esta nota de prensa en inglés aquí.
El administrador de la NASA, Jared Isaacman, ofrecerá una conversación virtual el martes 30 de junio a las 2:30 p.m. EDT (hora del este) para compartir las novedades más recientes sobre los planes de la agencia para construir una base en la superficie de la Luna.
El administrador Isaacman y Carlos García-Galán, director del programa Base Lunar, hablarán sobre la próxima ronda de adjudicaciones para nuevas misiones de módulos de alunizaje y ofrecerán un avance de las próximas oportunidades a medida que la agencia avanza en la construcción de una presencia sostenida en la Luna.
La rueda de prensa se transmitirá por el canal de YouTube de la NASA (en inglés). Una repetición instantánea estará disponible en línea. Infórmese sobre cómo ver el contenido de la NASA en distintas plataformas, incluidas las redes sociales (información en inglés).
Para hacer preguntas de forma virtual durante el evento, los periodistas deberán confirmar su asistencia a más tardar a las 12:30 p.m. EDT (hora del este) del 30 de junio escribiendo a: hq-media@mail.nasa.gov. La política de acreditación de medios de la NASA está disponible en línea (en inglés).
La NASA avanza en el desarrollo de la Base Lunar, una iniciativa de exploración e infraestructura lunar a largo plazo diseñada para permitir una presencia humana sostenida y ampliar la actividad científica y comercial en la superficie de la Luna.
Como parte de una edad de oro de innovación y exploración, la NASA enviará astronautas en misiones cada vez más difíciles para explorar más de la Luna con fines de descubrimiento científico y beneficios económicos, y para continuar sentando las bases para las primeras misiones tripuladas a Marte.
Para obtener más información (en inglés) sobre los planes de la NASA para la Base Lunar, visite:
-fin-
Bethany Stevens / Rachel Kraft / María José Viñas
Sede central, Washington
+1 202-358-1600
bethany.c.stevens@nasa.gov / rachel.h.kraft@nasa.gov / maria-jose.vinasgarcia@nasa.gov
NASA to Share Latest Moon Base Mission Progress
NASA Administrator Jared Isaacman will host a virtual conversation at 2:30 p.m. EDT, Tuesday, June 30, to share updates to NASA’s plans to build a Moon Base on the lunar surface.
Administrator Isaacman and Carlos García-Galán, Moon Base program manager, will discuss the next set of awards for new lunar lander missions and preview upcoming opportunities as the agency works toward building a sustained presence on the Moon.
The discussion will stream on NASA’s YouTube channel. An instant replay will be available online. Learn how to watch NASA content on a variety of platforms, including social media.
To ask a question virtually during the event, media must RSVP no later than 12:30 p.m., June 30 to: hq-media@mail.nasa.gov. NASA’s media accreditation policy is available online.
NASA is advancing development of the Moon Base, a long-term lunar exploration and infrastructure initiative designed to enable sustained human presence and expanded scientific and commercial activity on the lunar surface.
As part of the Golden Age of innovation and exploration, NASA will send astronauts on increasingly difficult missions to explore more of the Moon for scientific discovery, economic benefits, and to build on our foundation for the first crewed missions to Mars.
For more information about NASA’s Moon Base plans, visit:
-end-
Bethany Stevens / Rachel Kraft
Headquarters, Washington
202-358-1600
bethany.c.stevens@nasa.gov / rachel.h.kraft@nasa.gov
NASA to Share Latest Moon Base Mission Progress
NASA Administrator Jared Isaacman will host a virtual conversation at 2:30 p.m. EDT, Tuesday, June 30, to share updates to NASA’s plans to build a Moon Base on the lunar surface.
Administrator Isaacman and Carlos García-Galán, Moon Base program manager, will discuss the next set of awards for new lunar lander missions and preview upcoming opportunities as the agency works toward building a sustained presence on the Moon.
The discussion will stream on NASA’s YouTube channel. An instant replay will be available online. Learn how to watch NASA content on a variety of platforms, including social media.
To ask a question virtually during the event, media must RSVP no later than 12:30 p.m., June 30 to: hq-media@mail.nasa.gov. NASA’s media accreditation policy is available online.
NASA is advancing development of the Moon Base, a long-term lunar exploration and infrastructure initiative designed to enable sustained human presence and expanded scientific and commercial activity on the lunar surface.
As part of the Golden Age of innovation and exploration, NASA will send astronauts on increasingly difficult missions to explore more of the Moon for scientific discovery, economic benefits, and to build on our foundation for the first crewed missions to Mars.
For more information about NASA’s Moon Base plans, visit:
-end-
Bethany Stevens / Rachel Kraft
Headquarters, Washington
202-358-1600
bethany.c.stevens@nasa.gov / rachel.h.kraft@nasa.gov
Roman Telescope Comes to Kennedy
Roman Telescope Comes to Kennedy
In this June 21, 2026, photo, NASA’s Nancy Grace Roman Space Telescope arrives at the agency’s Kennedy Space Center in Florida aboard NASA’s Pegasus barge. After offloading and transportation to the spaceport’s Payload Hazardous Servicing Facility, Roman will undergo processing ahead of launch, targeted no earlier than Sunday, Aug. 30, 2026.
Named for NASA’s first chief astronomer and “mother of the Hubble Space Telescope,” Roman will offer a field of view over 100 times larger than Hubble’s to study up to a billion galaxies, directly image exoplanets and planet‑forming disks, and address fundamental questions about dark energy, exoplanets, and infrared astrophysics.
Image credit: NASA/Amber Jean Notvest
Roman Telescope Comes to Kennedy
In this June 21, 2026, photo, NASA’s Nancy Grace Roman Space Telescope arrives at the agency’s Kennedy Space Center in Florida aboard NASA’s Pegasus barge. After offloading and transportation to the spaceport’s Payload Hazardous Servicing Facility, Roman will undergo processing ahead of launch, targeted no earlier than Sunday, Aug. 30, 2026.
Named for NASA’s first chief astronomer and “mother of the Hubble Space Telescope,” Roman will offer a field of view over 100 times larger than Hubble’s to study up to a billion galaxies, directly image exoplanets and planet‑forming disks, and address fundamental questions about dark energy, exoplanets, and infrared astrophysics.
Image credit: NASA/Amber Jean Notvest