Happy birthday to the amazing Michelle Yeoh, who played both Captain Philippa Georgiou and her Mirrorverse counterpart Emperor Georgiou in Star Trek: Discovery, and the following movie Star Trek: Section 31.
Captain Philippa Georgiou, was the Captain of the USS Shenzou and mentor to eventual Captain Michael Burnham, after their encounter with the Klingons she was a victim of the start of the Klingon/Federation war, which led to Burnhams imprisonment.
Through the events of Discovery, Micheal would eventually meet Philippa Georgiou's Mirrorverse counterpart Emperor Georgiou, while starting out as an adversary, Georgiou would form an uneasy alliance with the crew of Discovery before joining the covert Section 31.
Georgiou joined the crew of Discovery when they jumped 900 years into the future, but as she was from another universe and time, Georgiou started to lose cohesion so would travel back to the 24th century, where Section 31 would once again recruit her in the events of the movie of the same name.
A photo of Dr. Nancy Grace Roman holding a model of the Hubble Space Telescope.
You have to be a pretty big deal for NASA to name a space telescope after you, and that is certainly the case for Dr. Nancy Grace Roman — our Roman Space Telescope’s namesake. She’s sometimes called the “mother of Hubble,” but she’s really the mother of all space-based observatories and NASA science in general. As NASA’s first chief astronomer, Dr. Roman's vision and leadership supercharged space science and helped make NASA the world-class scientific institution it is today.
Nancy Grace Roman as a young child.
Nancy Grace Roman was born on May 16, 1925 in Nashville, Tennessee. She was naturally curious about the world, a trait she attributed to taking nature walks with her mother as a child. By seventh grade, she had decided that she was going to be an astronomer.
She later recounted, “I certainly did not receive any encouragement. I was told from the beginning that women could not be scientists.”
A 1972 photo of Dr. Roman at NASA’s Goddard Space Flight Center in Greenbelt, Md.
Nancy received her bachelor’s in astronomy from Swarthmore College in 1946 and her doctorate in astronomy from the University of Chicago in 1949. She specialized in spectral classification, which involves spreading starlight out into a rainbow to see the individual colors. She would decode these rainbows to learn about the temperature and brightness of the stars, and their distances and movements.
In 1959, just six months after NASA was founded, someone at the agency asked Dr. Roman if she knew someone who might be interested in creating a space-based astronomy program. She sure did — she applied for the job herself, and she got it!
Dr. Roman works with a model of the Orbiting Solar Observatory (OSO).
Creating a whole space program from scratch was no small feat. Dr. Roman quickly set her sights on the stars, determined to make space-based telescopes a reality.
Scientists had been batting around the idea of Hubble for generations. Today, after more than three decades in orbit and thousands of discoveries, it’s hard to believe that Hubble was ever a contentious idea. But in the mid-20th century, a budget-starved NASA and a post-World War II government were hesitant to follow the ambitious ideal of a giant new telescope.
But Dr. Roman knew how transformative it would be to observe the cosmos from above Earth’s turbulent atmosphere, which blurs images from even the best ground-based telescopes. So she gathered astronomers from around the country and sat them down in a room with NASA engineers to hash out the possibilities.
Then she championed the idea to Congress, saying that “for the price of one night at the movies each year, each American would receive 15 years of exciting discoveries.” (And she actually undersold it, since we’ve now received over 36 years of discoveries from Hubble!)
In this 1965 photo, Dr. Roman (center) conducts a demonstration with Smith College students during a visit to NASA.
With leadership experience stretching back to at least the fifth or sixth grade, when she organized her friends into an astronomy club, Dr. Roman paired a personable approach with unwavering commitment to the mission, regardless of who or what stood in her way. And now we have her to thank for not just Hubble but for every other space telescope that has followed.
A portrait of Dr. Roman with the Stratoscope II balloon in the background.
In less than a month, the observatory named in Dr. Roman’s honor will journey to the heavens to transform our view of the universe. Read more about the woman behind the mission’s name here: https://science.nasa.gov/people/nancy-roman/. Follow along with Roman’s road to launch at nasa.gov/roman, and virtually tour the Roman observatory here.
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This illustration shows the relative scale of the Nancy Grace Roman Space Telescope and a Tyrannosaurus rex. Roman is over 42 feet (12.7 meters) long — about the length of a T. rex — and over 14 feet (4.4 meters) wide when fully deployed. Roman also weighs around 18,000 pounds, or 8,000 kilograms (dry mass), which is the approximate mass of a T. rex as well.
Did you know NASA’s Nancy Grace Roman Space Telescope is both roughly as long and as massive as a Tyrannosaurus rex? This observatory, which will move to the launch site at NASA’s Kennedy Space Center in Florida very soon, is over 42 feet (12.7 meters) long and weighs around 18,000 pounds (8,000 kilograms), not including the fuel. Let’s explore some of the components that bring Roman to T. rex proportions.
Artist's concepts of NASA's Nancy Grace Roman Space Telescope (left) and NASA's Hubble Space Telescope (right), highlighting the 7.9-foot (2.4-meter) primary mirrors that sit in the heart of each observatory.
At the observatory’s heart sits a mirror that’s 7.9 feet (2.4 meters) across and 410 pounds (186 kilograms), or about the length and weight of a protoceratops! Roman’s primary mirror is the same size as the Hubble Space Telescope’s main mirror, but less than one-fourth the weight thanks to major improvements in technology.
Technicians installed Roman’s primary instrument, the Wide Field Instrument (pictured at left), in the fall of 2025.
The mission’s 300-megapixel infrared camera, called the Wide Field Instrument, is over 8 feet (about 2.5 meters) tall, which is about the length of a triceratops skull. It will give Roman the same angular resolution as Hubble while capturing an area of sky at least 100 times larger. The mission will gather data up to 1,000 times faster than Hubble.
Its sweeping cosmic surveys will help scientists discover new information about planets beyond our solar system, untangle mysteries like dark energy, and map how both normal matter and dark matter are structured and distributed throughout the universe. Casting such a wide, deep “net” into space will give astronomers plenty of cosmic bycatch as well; Roman’s crisp, panoramic views will offer practically limitless opportunities for astronomers to do all kinds of exciting science.
The Coronagraph Instrument was installed on Roman’s instrument carrier in October 2024.
Roman’s Coronagraph Instrument is about as wide (5.5 feet, or 1.7 meters) as a velociraptor is long. The Coronagraph is designed to demonstrate new technologies for directly imaging planets around other stars. It will block the glare from a star and make it possible for scientists to see the faint reflected light from planets in orbit around them.
The Coronagraph aims to photograph worlds and dusty disks around nearby stars in visible light to help us see giant worlds that are older, colder, and in closer orbits than the hot, young super-Jupiters direct imaging has mainly revealed so far.
This photo shows Roman’s 18 detectors, which are the heart of the mission’s 300-megapixel camera.
Roman’s “eyes,” 18 saltine cracker-sized detectors in its primary instrument, are each about as tall as an allosaurus tooth. They each have about 16.8 million tiny pixels for a total of 300 million, which means Roman’s images will be super hi-res. Each detector is made of millions of mercury-cadmium-telluride photodiodes (sensors that convert light into an electrical current), one for each pixel.
Principal technician Billy Keim installs a cover plate over Roman’s detectors.
The detectors are secured to a silicon electronics board that will help process the light signals using indium, a soft metal that has roughly the same consistency as chewing gum. Together, these ultra-sensitive detectors can capture vast areas of sky in a single shot while still revealing incredibly fine detail, allowing Roman to map the cosmos faster and more precisely than ever before.
Roman’s electrical wiring was installed on the spacecraft flight structure in the summer of 2023.
There are 1,000 pounds, or 450 kilograms, (the weight of a pachycephalosaurus) of electrical cabling, made up of about 32,000 wires and 900 connectors, laced throughout the observatory. If the wires were laid out end-to-end they would span 45 miles — nearly enough to trace the entire perimeter fence in the imagined Jurassic Park! Functioning as the Roman’s “nervous system,” the cabling enables different parts of the observatory to communicate with one another, provides power, and helps the central computer monitor the observatory’s function.
The Roman observatory was fully integrated on Nov. 25, 2025, at NASA’s Goddard Space Flight Center in Greenbelt, Md.
Roman’s six solar panels each measure about 7 by 10 feet (2 by 3 meters), collectively giving Roman a “wingspan” similar to a pteranodon’s! Together, they will provide a total of 4 kilowatts of power, which is about the same rate that a modest rooftop solar panel system produces during the daytime.
Over the course of two days in June 2025, eight technicians installed Roman’s solar panels onto the outer portion of the observatory.
The panels are covered in a total of 3,902 solar cells that will convert sunlight directly into electricity much like plants convert sunlight to chemical energy. When tiny bits of light, called photons, strike the cells, some of their energy transfers to electrons within the material. This jolt excites the electrons, which start moving more or jump to higher energy levels. In a solar cell, excited electrons create electricity by breaking free and moving through a circuit, sort of like water flowing through a pipe. The panels are designed to channel that energy to power the observatory.
Roman’s high-gain antenna will provide the primary communication link between the spacecraft and the ground.
The radio dish that will send data across a million miles of intervening space back to Earth spans 5.6 feet (1.7 meters) in diameter. That’s about the size of the largest known dinosaur footprints, yet it weighs only 24 pounds (10.9 kilograms). Its large size will help Roman send radio signals across a million miles of intervening space to Earth. The dual-band antenna will use one frequency band to receive commands and send back information about the spacecraft’s health and location. It will use another frequency band to transmit a deluge of data at up to 500 megabits per second.
We’re only a few months out from launch, and so close to a completely new understanding of the universe and our place within it. Follow along with Roman’s road to launch at nasa.gov/roman, and virtually tour the Roman observatory here.
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