Multi-band photometric imaging observations and Monte Carlo dust tail modelling of the interstellar comet 3I/ATLAS were reported, covering a wide range of heliocentric distances.

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Interstellar space

Who

F. Moreno, M. Serra-Ricart, J. Licandro, P.J. Gutiérrez, L.M. Lara, I. Mariblanca-Escalona, M.R. Alarcón

What

Multi-band photometric imaging observations and Monte Carlo dust tail modelling of the interstellar comet 3I/ATLAS were reported, covering a wide range of heliocentric distances.

When

Fri, 19 Jun 2026 19:00:54 GMT · 2h 19m ago

Where

Interstellar space ·

Why

The study aimed to constrain the dust physical properties, ejection speeds, and production rates as a function of heliocentric distance for comet 3I/ATLAS.

The Frontline Impact

How this affects you

The study revealed distinct dust phase curve characteristics for 3I/ATLAS compared to Solar System comets, indicating unique dust size distribution and correlating water and dust production rates post-perihelion.

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Verified Sources & Citations

astrobiology.com
https://astrobiology.com/2026/06/dust-colour-phase-behaviour-and-monte-carlo-modelling-of-interstellar-comet-3i-atlas-from-4-au-pre-to-4-au-post-perihelion.html
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