Le télescope spatial de la NASA est lancé: Trump félicite le " travail fantastique "

NASA has successfully launched the Nancy Grace Roman Space Telescope, marking a major milestone in astronomical research. The telescope, named after the pioneering female scientist Nancy Grace Roman, was launched on Sunday from Cape Canaveral, Florida, aboard a Falcon Heavy rocket operated by SpaceX. The launch took place under clear skies and was broadcast live by NASA, with officials confirming that everything proceeded smoothly. The mission represents a significant investment, with a total budget exceeding $4 billion, and is expected to revolutionize the study of the cosmos through its advanced infrared imaging capabilities. The Nancy Grace Roman Space Telescope is set to travel approximately 1.6 million kilometers, roughly one million miles, from Earth to its operational orbit near the Lagrange Point L2. This location allows the telescope to maintain a stable position relative to both the Earth and the Sun, minimizing interference from planetary light. Once there, the telescope will begin its scientific operations, with initial data expected to return to Earth in early 2027. The telescope’s primary objective is to conduct large-scale surveys of the universe, focusing on distant planets, exploding stars, and black holes, while also contributing to the understanding of dark matter and dark energy. The Roman telescope operates with a significantly broader field of view compared to previous instruments such as the Hubble Space Telescope, which was launched in 1990. While Hubble has provided groundbreaking insights into the cosmos, it has aged and requires frequent maintenance. The Roman telescope is designed to complete observations that would have taken Hubble centuries in just one month. It is anticipated to collect more than 500 terabytes of data annually, surpassing the cumulative data gathered by Hubble over three decades. Scientists anticipate that the Roman telescope will uncover thousands of supernovae, tens of thousands of exoplanets, and billions of galaxies, offering unprecedented opportunities for discovery. The mission is part of a larger effort to expand humanity’s understanding of the universe. The Roman telescope complements the James Webb Space Telescope, which was launched in late 2021 and focuses on observing celestial objects in the infrared spectrum. Together, these telescopes aim to provide a more comprehensive picture of the cosmos. The Roman telescope also works alongside the European Space Agency’s Euclid mission, which explores similar cosmic mysteries but covers a larger area of the sky with less detailed resolution. The collaboration between these missions underscores the growing international cooperation in space exploration. The decision to name the telescope after Nancy Grace Roman highlights a shift toward recognizing women’s contributions to science. As the first woman to hold a senior leadership position at NASA, Roman played a crucial role in shaping the agency’s approach to space exploration during the 1960s and 1970s. Her influence was instrumental in the development of the Hubble Space Telescope, earning her the title “Mother of Hubble.” The recognition of her legacy through the naming of the Roman telescope reflects a broader movement to acknowledge and celebrate the achievements of women in STEM fields. In the days following the launch, the telescope began transmitting signals back to Earth, establishing contact via the Deep Space Network. The spacecraft will continue to communicate with ground stations in Australia, Spain, and California as it makes its journey to its final orbit. The deployment of solar panels and other components is scheduled over the coming weeks, with full operational readiness expected within three months. President Donald Trump, who had previously sought to cut funding for the mission, praised the success of the launch and commended NASA’s leadership during a press conference. His remarks came shortly after his administration had attempted to halt the mission’s funding, underscoring the political challenges faced by space exploration initiatives.