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APOD: 2007 November 15 – M13: The Great Globular Cluster in Hercules
APOD: 2007 November 15 – M13: The Great Globular Cluster in Hercules
APOD: 2007 November 14 – Tunguska: The Largest Recent Impact Event
APOD: 2007 November 14 – Tunguska: The Largest Recent Impact Event
Big Spherules near Victoria
Big Spherules near Victoria

This frame from the microscopic imager on the Mars Exploration Rover Opportunity shows spherules up to about 5 millimeters (one-fifth…

APOD: 2007 November 13 – The Inner Coma of Comet Holmes
APOD: 2007 November 13 – The Inner Coma of Comet Holmes
APOD: 2007 November 12 – Cosmic Rays from Galactic Centers
APOD: 2007 November 12 – Cosmic Rays from Galactic Centers
APOD: 2007 November 11 – NGC 6888: The Crescent Nebula
APOD: 2007 November 11 – NGC 6888: The Crescent Nebula
APOD: 2007 November 10 – A Tale of Comet Holmes
APOD: 2007 November 10 – A Tale of Comet Holmes
APOD: 2007 November 9 – Skyscape with Comet Holmes
APOD: 2007 November 9 – Skyscape with Comet Holmes
APOD: 2007 November 8 – VERITAS and Venus
APOD: 2007 November 8 – VERITAS and Venus