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Webb provides crash course on planet-shattering collisions
Confirmed
In Short: NASA's James Webb Space Telescope has provided new insights into extreme debris disks, revealing smaller dust grains and irregular brightness variations.
The team compiled a sample of 21 extreme debris disks, including five from Spitzer’s archival data and 16 from Webb, with 12 newly observed disks and follow-up observations on four of Spitzer’s.
Agnes Kospal of Konkoly Observatory in Budapest, Hungary, and a coauthor of the study, said, “To just see their mid-infrared emission and beautiful spectral features with Webb, which allowed us to identify their compositions, was the most exciting thing for me.”
The remaining two-thirds of the sample is silica-poor, indicating that the collisions are occurring on smaller scales, like grazing, between Moon-sized objects.
Astronomers have used the James Webb Space Telescope to examine a class of young stellar systems that show signs of similar upheavals, providing clues to the amount of energy in their collisions.
Kate Su of the Space Science Institute in Boulder, Colorado, led the team investigating these intriguing objects with Webb.
Chandra X-ray data and optical data from NASA’s Hubble Space Telescope, along with infrared data from the James Webb Space Telescope, illuminate vast stellar nurseries hidden behind interstellar dust.
Systems like II Zw 096 show us how powerful galaxy collisions shaped the early universe.
A stunning new panorama from the James Webb Space Telescope has unveiled detailed observations of IC 348, a star-forming reflection nebula located approximately 1,000 light-years away in the constellation Perseus.
What this adds
The study provides new evidence about the composition and scale of collisions in extreme debris disks.
What's confirmed
- The team compiled a sample of 21 extreme debris disks, including five from Spitzer’s archival data and 16 from Webb, with 12 newly observed disks and follow-up observations on four of Spitzer’s.
- The remaining two-thirds of the sample is silica-poor, indicating that the collisions are occurring on smaller scales, like grazing, between Moon-sized objects.
- Astronomers have used the James Webb Space Telescope to examine a class of young stellar systems that show signs of similar upheavals, providing clues to the amount of energy in their collisions.
- Kate Su of the Space Science Institute in Boulder, Colorado, led the team investigating these intriguing objects with Webb.
- Chandra X-ray data and optical data from NASA’s Hubble Space Telescope, along with infrared data from the James Webb Space Telescope, illuminate vast stellar nurseries hidden behind interstellar dust.
- Systems like II Zw 096 show us how powerful galaxy collisions shaped the early universe.
- A stunning new panorama from the James Webb Space Telescope has unveiled detailed observations of IC 348, a star-forming reflection nebula located approximately 1,000 light-years away in the constellation Perseus.
What's still developing
- The team confirmed that extreme debris disks share three key properties: smaller dust grains than those in protoplanetary or classic debris disks, a high concentration of warm dust, and irregular brightness variations, all revealed by mid-infrared spectra from Webb and Spitzer.