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Astronomy Picture of the Day

Discover the cosmos! Each day a different image or photograph of our fascinating universe is featured, along with a brief explanation written by a professional astronomer.

Mulitple streaks cover a night sky filled with stars. An observtory dome is visible in the foreground. Please see the explanation for more detailed information.

Meteor Shower: Perseids from Perseus

Explanation: This is a good week to see meteors. Comet dust will rain down on planet Earth, streaking through dark skies during peak nights of the annual Perseid Meteor Shower . The featured composite image was taken during the 2018 Perseids from the Poloniny Dark Sky Park in Slovakia . The dome of the observatory in the foreground is on the grounds of Kolonica Observatory . Although the comet dust particles travel parallel to each other, the resulting shower meteors clearly seem to radiate from a single point on the sky in the eponym ous constellation Perseus . The radiant effect is due to perspective , as the parallel tracks appear to converge at a distance, like train tracks . The Perseid Meteor Shower is expected to reach its highest peak on Saturday after midnight. Since a crescent Moon will rise only very late that night , cloudless skies will be darker than usual, making a high number of faint meteors potentially visible this year.

Date August 9, 2023
Credit Credit & Copyright: Petr Horálek / Institute of Physics in Opava
Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (UMCP)
A service of: ASD at NASA / GSFC,
NASA Science Activation & Michigan Tech. U.