Theory

Tabby's Star Dust/Comet-Family Explanation

The position, favoured by most astronomers following 2018 wavelength-dependent photometry, that a swarm of exocomets or circumstellar dust passing irregularly in front of the star produces its anomalous dimming.

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Related Mysteries

Tabby's Star
Tabby's Star Dust/Comet-Family Explanation attempts to explain Tabby's Star.

Theories & Explanations

Tabby's Star Megastructure Hypothesis
Tabby's Star Dust/Comet-Family Explanation contradicts Tabby's Star Megastructure Hypothesis — The 2018 wavelength-dependent dimming result favours particulate matter over a solid opaque structure.

People

Tabetha Boyajian
Tabby's Star Dust/Comet-Family Explanation was authored by Tabetha Boyajian.

Explored on these pages

What Is Tabby's Star?

What Tabby's Star is: the star with the strange, irregular dimming that led one astronomer to propose testing for an alien megastructure.