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Webb and Hubble Unveil Secrets of Far-Flung Solar System Objects
Confirmed
In Short: New images from the Hubble and Webb telescopes reveal the intricate details of a nebula and the farthest objects in our solar system.
NASA's Hubble Space Telescope has captured a striking image of the emission nebula LHA 120-N44, located in the Large Magellanic Cloud, a satellite galaxy of the Milky Way. The image highlights the vast central void and dense, dusty gas shell sculpted by the star's winds and radiation.
Using Hubble, astronomers have cataloged nearly half a million stars in the region, including about 30,000 that are still in their infancy. The Webb Space Telescope, in collaboration with Hubble, has also discovered 27 new, remarkably dim Trans-Neptunian Objects (TNOs), one of which is so faint it is equivalent to seeing a small swarm of fireflies on the Moon from Earth.
The joint effort of the Hubble and Webb telescopes has provided unprecedented insights into the formation of planetesimals, revealing that the process of planetesimal formation produces similar distributions of sizes regardless of the disk conditions, whether hot or cold, dense or fluffy. This finding suggests a consistent process of planetesimal formation across different regions of the early solar system.
In a deeper survey of TNOs, teams from the University of Victoria and Northern Arizona University observed these distant objects using both Hubble's visible light and Webb's infrared light. This dual approach has allowed scientists to study the TNOs in greater detail, providing new insights into their composition and behavior.
The Webb Space Telescope, now on a three-month, million-mile journey to its final orbit, will soon unveil the universe's darkest secrets. This flagship mission will explore dark matter, dark energy, and exoplanets, furthering our understanding of the cosmos. Meanwhile, the Hubble Space Telescope, operating for over three decades, continues to make groundbreaking discoveries that shape our fundamental understanding of the universe.
What's confirmed
What's still developing
- The Webb data also allowed researchers to measure the number of objects of each size.
- The first, dynamically “cold” TNOs, are on their original, relatively circular orbits around the Sun in the plane of the solar system.
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