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What do little red dots become as the universe ages? It’s been a question since they were discovered in the high-redshift universe by #NASAWebb in 2022. With each new observation, astronomers have gradually learned more about the nature of these mysterious red sources. (1/4) 🧵 🔭

We are fewer than 30 days from the launch of #NASARoman! Roman is set to launch on August 30 from Kennedy Space Center in Florida. The telescope was assembled at NASA’s Goddard Space Flight Center and had to travel to Kennedy for its launch. 🔭 Credit: NASA's GSFC; Music: “Unity for Liberty,” UPM

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On #NationalInternDay, we want to celebrate our 2026 Space Astronomy Summer Program students who spent their summer working with STScI researchers and staff! 🎉 Today they provided short presentations of their efforts at the SASP Symposium.

Hubble has conducted two gigantic surveys that combined to image about two-thirds of the Andromeda’s disk. Using that data, astronomers measured 200 million individual stars to tease out the history of star formation in our neighboring galaxy. (1/6) 🧵 🔭

STScI's Dr. Rachel Beaton will join this panel to explore Dr. Roman's scientific vision, leadership, philanthropy, and enduring influence on astronomy. 🔭

The countdown is on for the debut of the Nancy Grace Roman Space Telescope, which is named for NASA’s first chief astronomer. The Roman telescope is slated to launch on Aug. 30 aboard a SpaceX Falcon Heavy rocket from NASA’s Kennedy Space Center in Florida, per NASA. #NASARoman

Here's What The ‘Most Advanced Telescope Ever' Is Going to RevealThe Nancy Grace Roman Telescope is expected to launch Aug. 30 and help unlock mysteries around dark matter, exoplanets and more.www.today.com

Hubble observed the Pistol Star in 1997, revealing an erupting star and the gas it expelled. The star is one of the brightest in our galaxy, but can only be seen in infrared because it is hidden behind great dust clouds at the core of the Milky Way: https://go.nasa.gov/4u6Sft7

NEWS: To learn more about distant little red dots (LRDs), scientists used #NASAWebb data of a nearby spiral galaxy with an LRD-like center and synthetically shifted it farther away. They found that the galaxy’s surrounding structure faded: https://news.stsci.edu/4h40rYo

The Molten Ring galaxy is a gravitationally lensed galaxy 9.4 billion light-years away. A galaxy cluster 4 billion light-years away magnifies the light of the galaxy by a factor of 20, helping astronomers use Hubble to study its properties in more detail: http://bit.ly/49MnaDV

Technicians completed fueling #NASARoman, bringing it an important step closer to launch. 🚀 On July 25, the team completed operations that carefully loaded 290 gallons of hydrazine fuel into the observatory at the Payload Hazardous Servicing Facility at NASA’s Kennedy Space Center in Florida.

NASA Fuels Roman Space Telescope for Late August LaunchTechnicians have completed fueling NASA's Nancy Grace Roman Space Telescope, bringing it an important step closer to launch.science.nasa.gov

OPPORTUNITY: The Space Telescope Science Institute in Baltimore, MD, is seeking a highly motivated Full Stack Software Engineer with strong experience in modern backend development, web technologies, DevSecOps, and data-driven application development: https://bit.ly/4fpcsX3

Step through 500 million years of star formation in the Andromeda galaxy. In this video, bright = high rate of new stars. New research using Hubble shows that Andromeda’s activity is winding down following a long-ago starburst: https://news.stsci.edu/3TBwkO9

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Can you spot the hidden galaxy? The bright blue spiral arm of one galaxy appears to contain a dusty orange patch that is in fact an entire galaxy in itself, according to Hubble’s velocity data. Eventually all three may merge to form a single galaxy. Credit: NASA, ESA.

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The solar panels that will help power #NASARoman completed prelaunch cleaning and inspections July 8 at the Payload Hazardous Servicing Facility at NASA’s Kennedy Space Center in Florida.

Telescope Milestone: Teams Check Out NASA Roman Solar PanelsThe solar panels that will help power NASA's Nancy Grace Roman Telescope completed prelaunch cleaning and inspections at NASA's Kennedy Space Center in Florida.science.nasa.gov

In 2022, we saw these three versions of the Pillars of Creation from #NASAWebb. Watch this explanation of how near- and mid-infrared data changes what we see: https://www.youtube.com/watch?v=Cd4C9QzapDY Which is your favorite Pillars image? Tell us below! 👇

TODAY at 4 p.m.: STScI's Dr. Macarena Garcia Marin will explore #NASAWebb's record-breaking performance, scientific breakthroughs, and astonishing discoveries. We will also look ahead and ask the questions that will shape Webb's future science.

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Protostar IRAS 04302+2247 will one day emerge from its “cocoon” of gas and dust. 🦋 #NASAWebb and Hubble looked at this baby star, capturing aspects like the protoplanetary disk and two wing-shaped reflection nebulas. Credit: NASA, ESA, CSA, M. Villenave et. al.

The light of a distant quasar, RX J1131, has been warped by an elliptical galaxy, creating a jeweled ring in this #NASAWebb image. This is created by gravitational lensing, which occurs as light bends around massive objects. Credit: ESA, NASA, CSA, A. Nierenberg.

This video is based on 20+ years of Hubble archival data and recent #NASAWebb data, used to measure the small movements of Omega Centauri’s stars over time. With this approach, a star was located orbiting an invisible object that is—according to calculations—so hefty that it must be a black hole.

Animation of Black Hole Binary in Omega Centauri — Hubble Space Telescope #shortsYouTube video by Space Telescope Science Instituteyoutube.com

As part of its primary mission, #NASARoman will observe 12% of the entire sky—equivalent to about 25,500 full moons—to help astronomers investigate the mysteries of dark matter, dark energy, and the universe’s accelerating expansion. Credit: STScI.

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