Cosmic Clocks

ONLINE: The Houston Astronomical Society presents Dr. Chris Morisette in a talk titled "Cosmic Clocks."

Description: "In 'Cosmic Clocks,' HAS Novice Chair Chris Morisette will present a survey of nine different techniques for determining the age of objects in our cosmos. Here he’ll discuss radiometric dating, crater counting, stellar spectroscopy, gyrochronology, magnetic activity, asteroseismology, dynamical age estimation, red shift dating, and CMB radiation measurement. The talk will include a description of the underlying principle of each technique, when its applied, examples of its application, and advantages/disadvantages of each method. At the end Chris will literally “build a watch” and unveil his version of a “Cosmic Clock”!!!"

Speaker Bio: Chris Morisette is HAS Novice Chairperson and an active member of the Houston Astronomical Society, North Houston Astronomy Club, and the Fort Bend Astronomy Club. He is also a member of the University of Texas Astronomy Department Board of Visitors. On clear Saturday nights you may find him volunteering at the George Observatory engaging with visitors and sharing his love of the night sky, or you may find him at the HAS Dark Site trying his hand at astrophotography.

This meeting will be held virtually via Zoom. To attend, you must register for the meeting. You can use the link below. You will receive an email with the details of the meeting and a link that will allow you to join in.

Register here.
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Join us Thursday, August 7th, 2025, at 7:00 pm CT. See you then!