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Astronomy

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Diagram showing Earth's tilt and the seasons

Saturday, Dec. 21 will be the winter solstice – the shortest day and longest night of the year, with which we mark …

December 19, 2024
Anything can be a UFO (or a threatening drone) if you are bad enough at identifying stuff.

For those of us who, through the years, have been through wave after wave of uncritical and sensational UFO stories in the …

December 15, 2024
Quasar J0529-4351 (artist conception)

You think you ate too much?  No matter how stuffed you were after Thanksgiving (or another celebratory meal), it’s nothing compared to …

November 30, 2024
Cave opening in the Arsia Mons volcano on Mars

Recently, in social media posts, Dr. Pascal Lee of the SETI Institute discussed the intriguing caves on the side of the giant …

November 23, 2024
Where in the sky the comet will be seen in the evenings in Oct. 2024

A newly discovered comet is now faintly visible in our skies soon after sunset, if you have clear skies and a …

October 15, 2024
Eintein

Two upcoming events that may be of interest to you (please pass on to others who may like them): The Osher Lifelong …

September 29, 2024

The Perseid Meteor Shower is one of the best of the year for the untrained observer

July 27, 2024
Map diagram of the likelihood of seeing auroras

Friday, May 10, there was a lot of discussion on the news, on social media, and on different web sites about …

May 10, 2024
Free Astronomy Textbook Used by Over 1 Million Students

This time I am posting something a bit personal. I am the lead author of a free book that is part …

May 4, 2024

A rare eclipse of the Sun will be visible all over North America on April 8th.

March 23, 2024
Astronomy Archives - Andrew Fraknoi - Astronomy Lectures - Astronomy Education Resources