NASA lanza “Roman”: el telescopio que estudiará la materia, energía oscura y exoplanetas

NASA launched the James Webb Space Telescope’s successor, the Nancy Grace Roman Space Telescope, on Sunday from Florida aboard a Falcon Heavy rocket. The mission marks the beginning of an ambitious effort to explore cosmic mysteries and expand astronomical knowledge. The telescope, standing over 12 meters tall, was developed over more than a decade and required investment exceeding $4 billion. The Roman Space Telescope, named after Nancy Grace Roman, a pioneering American astronomer known as the “mother of Hubble,” will operate from a distance of 1.5 million kilometers from Earth. From this vantage point, it will observe regions of space previously inaccessible to other observatories, providing a detailed record of exoplanets and supernovas. Scientists expect the telescope to catalog thousands of exoplanets and tens of thousands of supernovas during its operational lifespan. The telescope's design includes a field of view more than 100 times larger than that of the Hubble Space Telescope, which was launched on April 24, 1990. This expanded capability allows the Roman to capture images of vast areas of the universe, offering insights into fundamental questions of modern physics. Its ability to detect light emitted billions of years ago enables scientists to study the distant past of the universe and analyze diverse phenomena. A key focus of the Roman’s research will be dark matter and dark energy, which together make up approximately 95% of the universe. Dark matter is believed to act as a gravitational glue holding galaxies together, while dark energy is thought to drive the accelerated expansion of the cosmos. According to preliminary findings, recent observations suggest that our current standard model of the universe might be incomplete. The Roman could help determine whether existing models are accurate or if a revision is necessary in understanding cosmic expansion. One of the challenges associated with the Roman will be managing the volume of data it generates. The telescope is expected to produce around 1.3 terabytes of information daily, making it impractical to store such quantities on personal devices. Access to these data will be open to both the scientific community and the public. Additionally, the Roman will work in collaboration with other observatories, including the James Webb Space Telescope and the Euclid satellite. Dave Content, the technical lead for the Roman, emphasized that some of the most significant discoveries may come as surprises. He stated, “I hope greatly, and indeed I take for granted, that the most exciting scientific discoveries from the Roman will be unexpected, something we cannot predict, and that will lay the groundwork for the next deeper set of questions that future missions must address.” Julie McEnery, the project’s principal investigator, noted that recent studies indicate potential flaws in our current understanding of the universe. She added that the Roman could play a crucial role in refining or challenging these foundational theories. As the telescope begins its operations, the scientific community anticipates a wealth of new data that could reshape our comprehension of the cosmos.