Secrets of the ghostly zodiacal light in our skies

ESO / Y. Beletsky / S. Guisard / P. Horálek / B. Tafreshi / S. Brunier · CC BY 4.0

The mysterious zodiacal light rising over the desert

Dr. J introduces zodiacal light, a luminous pyramid visible in dark skies just after dusk or before dawn extending upwards from the horizon.

The Ghostly Column of Light in the Night Sky

Cosmic dust scattered across our solar system

Discover how crumbling comets and colliding asteroids spread fine dust throughout the inner solar system, scattering sunlight along the ecliptic plane.

Where Zodiacal Light Actually Comes From

The rare midnight counterglow opposite the sun

An explanation of gegenschein, an elusive faint oval patch of light created by interplanetary dust reflecting sunlight directly backwards toward Earth.

Gegenschein: The Elusive Counterglow Phenomenon

[01:20] The Ghostly Column of Light in the Night Sky
[02:32] Where Zodiacal Light Actually Comes From
[03:49] Gegenschein: The Elusive Counterglow Phenomenon

Secrets of the ghostly zodiacal light in our skies

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