For more than a year, the James Webb Space Telescope has not stopped surprising us. This telescope has continued to help the scientific community unravel the enigmas of the universe. During one of his last adventures, he managed to capture an intriguing structure located in one of the most recognized constellations in the sky, far from our Solar System. It is about the birth of a star in Orion.
Birth of a star in Orion
Witnesses to star formation are truly extraordinary. The main focus of this story is the remarkable structure known as HH212. Located within the constellation Orion, it serves as a testament to the capabilities of the James Webb Space Telescope. While childbirth is widely considered one of the most intense human experiences, the aftermath of a star's birth is equally breathtaking. This phenomenon is strikingly evident within the Herbig-Haro region , specifically in the HH212 structure, which can only be observed in the infrared light spectrum.
Located approximately 1.200 light-years from Earth, at the center of HH112 lies a protostar that is almost imperceptible to the naked eye. This protostar is only 50.000 years old, comparable to a baby in human terms. Although it may seem simple, it has the potential to become a star as massive as our Sun. To better understand these processes, you can explore how stars form and the different stages of their development in articles related to stars larger than the Sun.
James Webb captures the birth of a star in Orion
The year 2023 did not mark the discovery of HH112, as it had been identified in 1993 by astronomers at the Mauna Kea Observatory using NASA's Infrared Telescope Facility. However, the James Webb Space Telescope has revealed a level of complexity in our observations of this structure that was previously unattainable. The ability to detect details at different wavelengths allows for a deeper understanding of these phenomena. To learn more, you can visit the page dedicated to why stars twinkle and understand how observation in different bands helps to unlock these secrets of the cosmos.
According to Professor Mark McCaughrean, a senior advisor to ESA, the latest image is a compilation of six different wavelengths and is ten times more accurate than any previous image. Furthermore, he states that:
The discovery of HH112 has been observed repeatedly using increasingly advanced technology , such as larger telescopes, better infrared cameras, and higher-resolution images. However, the images from James Webb have surpassed all previous observations. Although HH112's structure is enormous, spanning 2,3 light-years, the star itself remains hidden from view. Only the matter released as jets propelled in opposite directions can be detected.
Additionally, arc shocks can be seen moving outward as shock waves from the star. It is common for any material not consumed by the star to form an accretion disk and orbit around it, which in the distant future will give rise to asteroids, planets and comets.
James Webb Telescope Features
The James Webb Space Telescope is a space observatory designed to explore the universe in infrared wavelengths. It is named after NASA Administrator James E. Webb, who played a crucial role in the U.S. space program during the 1960s. The James Webb is an international collaboration between NASA, the European Space Agency (ESA), and the Canadian Space Agency (CSA).
With a primary mirror 6.5 meters in diameter, the James Webb Space Telescope is significantly larger than its predecessor, the Hubble Space Telescope. This telescope is designed to study cosmic objects in the infrared, allowing it to observe regions of space that are difficult to study in visible light. Infrared light is particularly useful for penetrating clouds of cosmic dust and observing cold objects, such as forming planets and newborn stars.
The launch of the James Webb Space Telescope represents a milestone in space exploration and astronomy, as it is expected to reveal new aspects of star formation, distant galaxies, the atmospheric composition of exoplanets, and other intriguing cosmic phenomena. Its location at the L2 Lagrange point, approximately 1.5 million kilometers from Earth, allows the telescope to remain cool and provide stable, detailed observations.
The James Webb is a key instrument in advancing our understanding of the universe, and its discoveries and observations are expected to significantly impact various areas of astronomy and astrophysics.
Telescope capabilities
The James Webb Space Telescope has stood out for its great contributions to astronomy science since its creation. These are some of its capabilities:
- Observation of distant galaxies: Thanks to its ability to detect infrared radiation, James Webb will be able to study distant galaxies and observe cosmic events that occurred shortly after the Big Bang. This will allow scientists to better understand the formation and evolution of galaxies throughout the history of the universe.
- Characterization of exoplanets: The telescope will play a crucial role in the study of exoplanets, planets orbiting stars outside our solar system. By analyzing the light passing through the atmospheres of these exoplanets, the telescope will provide information about their chemical composition and atmospheric conditions, which could include indications of possible biosignatures.
- Star formation research: This telescope allows astronomers to observe regions where stars are forming and study the process in detail. This includes the study of molecular clouds and protoplanetary disks, providing valuable information about how stars and planetary systems are born and evolve.
- Exploration of cold and dark objects: Thanks to its ability to observe in the infrared, James Webb can penetrate clouds of cosmic dust and study cold objects that are difficult to detect at visible wavelengths. This includes the observation of brown dwarfs, objects that are between stars and planets in terms of temperature and mass.
- Investigation of the atmosphere of planets in the Solar System: Although the James Webb is primarily designed for observations outside our solar system, it will also be used to study objects within it. For example, it allows us to analyze in detail the atmosphere of planets in our solar system, such as Jupiter, Saturn, Uranus and Neptune.
