Webb Joins the Hunt for Protoplanets
Astronomers pointed the JWST at young stars to detect planets forming in their disks. It didn't find any, but that's okay.
Source: universetoday.com
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Astronomers Discover Unexpected Structures In Youngest Planetary Disks Ever Seen
How long does planet formation take? Maybe not as long as we thought, according to new research.
Source: sciencealert.com
The Youngest Planetary Disks Ever Seen
These gaps and rings in the protoplanetary disks surrounding young stellar objects show that planets may forming sooner than thought.
Source: universetoday.com
Aligned grains and scattered light found in gaps of planet-forming disk
Polarized (sub)millimetre emission from dust grains in circumstellar disks was initially thought to be because of grains aligned with the magnetic field1,2. However, higher-resolution multi-wavelength observations3–5 and improved models6–10 found that this polarization is dominated by self-scattering at shorter wavelengths (for example, 870 µm) and by grains aligned with something other than magnetic fields at longer wavelengths (for example, 3 mm). Nevertheless, the polarization signal is expected to depend on the underlying substructure11–13, and observatio...
Source: nature.com
ALMA Takes Next-Level Images of a Protoplanetary Disk
New high-resolution ALMA images show dust polarization in a planet-forming disk. But they still don't show us how the dust forms planets.
Source: universetoday.com