NASA's New Telescope Will Also Detect Asteroids
The Nancy Grace Roman Telescope will observe asteroids threatening Earth while unraveling the secrets of the universe.
1Launch of the Nancy Grace Roman Telescope
NASA will launch the Nancy Grace Roman Space Telescope from Kennedy Space Center in Florida at the end of August. This telescope will help us better understand dark energy, which drives the expansion of the universe, and dark matter, which holds galaxies together. However, another important mission of the Roman Telescope will be to detect asteroids threatening Earth.
2Its Role in Asteroid Detection
In September, a team of planetary scientists and astronomers will explain how the Roman Telescope is uniquely positioned to scan asteroids and provide information about their trajectories, sizes, and compositions. The telescope is equipped with a 300-megapixel infrared camera, capable of observing an area about 100 times larger than the Hubble Space Telescope.
3Technological Advantages
Thanks to its wide field of view, the Roman Telescope can discover thousands of new planets and tens of thousands of exploding stars. It will also survey over a billion galaxies in remarkable detail. During this process, it will observe the Solar System, demonstrating a unique ability to detect asteroids.
4Importance for Planetary Defense
Although the Roman Telescope was not specifically designed to detect asteroids, it could play a significant role in this field. Last summer, the telescope faced budget cuts under the Trump administration, but researchers see its potential in planetary defense as an opportunity to increase the mission's visibility.
5New Approaches in Asteroid Detection
The Roman Telescope's software could be tweaked to enhance its ability to detect asteroids. Currently, the software automatically filters out streaks caused by cosmic rays or technical glitches. However, astronomers can study these streaks to identify asteroids.
6Collaboration with James Webb
The Roman Telescope can collaborate with the James Webb Space Telescope (JWST) to play a more effective role in asteroid detection. While JWST focuses on galaxies in the far reaches of the universe, the Roman Telescope can quickly scan numerous asteroids with its wide field of view. This collaboration could enable faster and more accurate asteroid detection.
7The Scale of Asteroid Threats
NASA and its global partners are particularly concerned about asteroids 460 feet and larger. It is estimated that around 25,000 asteroids have near-Earth orbits, and more than half of them have yet to be discovered. If one of these asteroids were to hit a city, it could cause massive destruction.
8Future Plans
NASA plans to advance asteroid detection further with the Near-Earth Object (NEO) Surveyor space telescope, set to launch in 2027. This telescope will position itself between Earth and the Sun, detecting asteroids that ground-based telescopes cannot see. Its infrared vision will allow scientists to measure asteroid sizes more accurately.
Original article: MIT Technology Review — NASA'nın Yeni Teleskobu Asteroitleri de Tespit Edecek