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This research aims to explore why young super-early galaxies, known as blue monsters, exhibit very low dust levels.

January 22, 2026

Missing dust of super-early galaxies

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This research aims to explore why young super-early galaxies, known as blue monsters, exhibit very low dust levels.
Used 3D hydrodynamical models to assess dust survival under clustered supernovae conditions.
Applied thin-shell scalings to estimate the impact of mechanical blowout on dust retention.
Calculated dust-to-stellar mass ratios based on gas concentration and supernovae dynamics.
Mechanical venting significantly reduces gas and dust retention in clustered galaxies.
Dust-to-stellar mass ratios were found to decrease by one-half to two orders of magnitude compared to initial yields.
The findings suggest this effect is consistent across various cluster masses and sizes.

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The research reveals low dust fractions in young super-early galaxies, suggesting significant gas removal due to supernovae effects.

Martínez-González et al. (2026) studied this question.

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