The James Webb Space Telescope, NASA’s latest and most powerful space observatory, has been making groundbreaking discoveries since its launch. Recently, the telescope has uncovered two intriguing findings that have captured the attention of astronomers and the public alike.
In one discovery, the James Webb telescope has peered deep into the cosmos and revealed the existence of dozens of tiny, distant galaxies that emerged in the first billion years after the Big Bang. These galaxies, which are located at the far reaches of the observable universe, are believed to have played a crucial role in the transformation of the early universe. By studying these ancient galaxies, scientists hope to gain valuable insights into the processes that shaped the cosmos in its infancy.
The discovery of these ancient galaxies sheds light on a pivotal period in cosmic history known as the “dark age,” when the universe was filled with a fog of hydrogen gas that obscured visible light. The emergence of these galaxies marked the end of this dark age and the beginning of the cosmic dawn, as stars and galaxies started to form and illuminate the universe.
In a separate finding, the James Webb telescope has also raised concerns about a potentially hazardous asteroid known as 2024 YR4. Initial observations of this asteroid indicated a low probability of it colliding with Earth or the moon. However, a recent reexamination by the telescope has revealed that the chances of 2024 YR4 hitting the moon in December 2032 have increased to 4.3%.
While the probability of a collision remains relatively low, the increased odds have drawn attention to the potential threat posed by near-Earth asteroids. Scientists and space agencies around the world constantly monitor these celestial objects to assess any potential impact risks and develop strategies to mitigate them.
The findings from the James Webb telescope underscore the importance of continued exploration and observation of the cosmos to deepen our understanding of the universe and safeguard our planet from potential cosmic hazards. By pushing the boundaries of space science and technology, we can unlock the mysteries of the universe and ensure the safety and well-being of our planet and its inhabitants.
As we look to the future, the James Webb Space Telescope will continue to unravel the secrets of the cosmos and inspire new generations of astronomers and space enthusiasts to explore the wonders of the universe.
References:
1. “James Webb telescope spots tiny galaxies that may have transformed the universe”, Live Science, [https://www.livescience.com/space/astronomy/james-webb-telescope-spots-tiny-galaxies-that-may-have-transformed-the-universe]
2. “James Webb telescope ups the odds that ‘city-killer’ asteroid 2024 YR4 will hit the moon in 2032”, Live Science, [https://www.livescience.com/space/asteroids/james-webb-telescope-ups-the-odds-that-city-killer-asteroid-2024-yr4-will-hit-the-moon-in-2032]
