The Glass Universe: Another barrier for women to shatter

I love the double meaning hiding in the title of this book.  One hundred years ago, before CCD photography, many astronomers collected light on glass photographic plates, some as large as 17 inches by 14 inches.  On those plates the computers at Harvard Observatory captured images of the universe. At the same time, women were … More The Glass Universe: Another barrier for women to shatter

@erg010 and @mettelballs1 Dominate the Current Events Quiz

  Leaderboard posted on May 28, 2018 5/21 Winners Current Events:   Number of correct answers @erg010 two @mettleballs1 two @tiki one @DadoWorld7 one @Saloonatic one Winners who make a contribution in the next 30 days to one of the charities listed on my blog will have their gift matched, up to $100. You can find … More @erg010 and @mettelballs1 Dominate the Current Events Quiz

HIP 28270 A

From my calculations, the star HIP 28270 A was overhead at 2:30 pm June 17 in Pasadena, Texas.  Ziekal, this is your star. This is a massive star, type B9, that is part of a double system in the constellation Auriga.  At magnitude 8.5 it probably can not be seen with the unaided eye.  This … More HIP 28270 A

“Science lies not in the facts themselves but in their arrangement.”

Miss Leavitt’s Stars: The Untold Story of the Woman Who discovered How to Measure the Universe   By George Johnson Atlas Books, 2005   One night at the observatory a voice in the dark asked “How do I reconcile the information that the Andromeda Galaxy is 2 million light years away with the growing number … More “Science lies not in the facts themselves but in their arrangement.”

Observing Plans for Friday, August 12, 2016

I’m scheduled to host at Cline Observatory tonight, Friday, August 12.  Here are my observing plans for the evening.Join us.********************* Near to Far then back******************** Mars (featured object) 0.78 Astronomical Units (AU) distant Since June 29 in pro-grade motion Named for a god of the Germanic people, Freya Saturn at 9.6 AU distant Less dense … More Observing Plans for Friday, August 12, 2016

Let’s Talk Astronomy

One of the really great benefits of teaching astronomy is having a group of people who are somewhat interested in the subject, to talk with about current events and astronomy in general.  I’ve enjoyed the opportunities to speak before community groups, and, again, the conversations with members of the audiences are the best part. And … More Let’s Talk Astronomy