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The Classroom Astronomer Magazine was a quarterly PDF publication designed as a practitioner journal for classroom teachers of astronomy. While centered at the high school level, it also provides tips, techniques and informative how-to articles for teachers of grades K-8 and undergraduate college "Astro 101" courses. The magazine's mission was to increase the amount of astronomy in the school systems and improve the skills of teachers.

TCA was published from 2009 until 2015. 

All 23 issues are available for purchase in PDF format; purchase in the Hermograph Store.


Classroom Astronomer Newsletter

Homepage or  read and subscribe directly here.

A twice-monthly Inbox Magazine, emailed straight to your Inbox, covering many of the same topics as the magazine, starting May 2021. The newsletter contains:

  • Articles on useful educational software and other areas of interest,
  • Astronomical Teachniques, tips and methods to teach specific topics,
  • Services and other items that connect teachers and students to sky events and objects (Connections to the Sky),
  • And the RAP Sheet--items found in scholarly research that you can use now.
  • Designed for use for all levels of astronomy educators, including the pandemically virtual home teachers and home schoolers, and anyone who wants more than just a "Wow, what's up in the sky?" news briefing.

    Other columns and articles have or will include, for example, a column on the astronomy in the Next Generation Science Standards and remote observatories you can use for personal or class observations. Many items come from the most recent astronomy and astronomy education world conferences! Written by longtime astronomer, journalist and educator Dr. Larry Krumenaker.

    TCAN requires a subscription.  TCA Lite is free and contains about half the material of the Full Subscription journal.

    The Galactic Times Newsletter

    Homepage or read and subscribe directly here

    A twice-monthly Inbox Magazine on astronomy that covers Sky News and Events and Astronomy in Everday Life, from May 2021, and that:

  • Brings the most interesting news stories (This Just In) which connect to the current night sky
  • A textual and visual two-week Sky Planning Calendar, with Moon-Gazing using the Moon's wanderings to find the planets and other objects, Observing-- Plan-et notes on the Planets and events, our anti-horoscope musings in Border Crossings, and For the Future helping you plan for events comeing soon, and more.

    Other articles include quirky findings of Astronomy in Everyday Life, and articles on other facets of the Universe.  Many stories come from the latest news in world astronomy conferences and journals. Unlike in mass media, all the stories are authoritatively written by astronomer, journalist and educator Dr. Larry Krumenaker.

  • Materials for Education, and Fun
    sundial t

    The T-Shirt That Tells Time!

    Forget your Rolex. This timepiece is solar powered!

      • Contains TWO Dials, for Standard Time and for Daylight Saving Time.
      • Easy Illustrated Instructions.
      • Analemma for adjusting for the month and variable position of the Sun.
      • Useful for all northern mid-latitude regions.

    Black Design on a Sunny Yellow, 50-50 T-Shirt

    For more information on the shirt and sundials in general, click HERE.

    To purchase, go to the Hermograph Store.

    Easy Gas Tube Spectrum Viewer!

    Two-sided viewer designed by an astronomy teacher for ease in seeing and identifying element and molecular spectra from gas tubes.  With improved spectra! 

    User Comments

    "Easier to use than hand sectroscopes!"
    "Comparisons are speedy."
    "Viewing spectra...no eye straining."

    For more information on the Viewer click HERE. To purchase, go to the Hermograph Store.

    Where is the United Federation of Planets? 

    A two-sided mini-poster charting the 43 real objects mentioned in the entire collection of Star Trek series and movies. On one side are the objects plotted on galactic scales, indeed, using the list of objects is a good educational assignment! On the obverse is a chart showing where all the objects are in Earthly skies. Sprinkle your sky talks with Star Trek interest by pointing out Spock's homeworld and the stars nearest the borders of the Romulans, Klingons, and Andorians! Which stars are also known to have exoplanets are listed as well as their Star Trek lore.

    Based on an article from TCA Issue 18 (article included!); purchase in the Hermograph Store.  

    Hermograph Books

    Colonia Tour Book

    Nine Days Traveling

    Hermograph World

    Walking the Line (2014)

    Rediscovering and Touring the Civil War Defenses on Modern Atlanta's Landscapes

    What kept General Sherman out of Atlanta for six weeks when he had superior numbers of forces? An encircling line of 36 cannon forts and defensive lines between them. They never fell, they were abandoned when the Confederates realized they could not get supplies when all the rail lines were cut. The Union forces admired them, then left town on Sherman's March, and the forts were soon forgotten.

    "Walking the Line" tells you where you can go by foot, bike and car to find the locations of the lines and forts, including those places where, if you know what to look for, you can still see their remains. Complete with maps, photos, and directions!

    The Colonia Tour Book (2017)

    Visit the ancient city of Colonia Claudia Ara Agrippinensium, aka CCAA or Colonia, the ancient Roman provincial capital city that became today's Cologne, Germany.  This 5.x8 wire-bound guidebook leads you on six walking or streetcar/tram trails to see Colonia's remains:  streets, harbor island, forts and city wall (still around in parts from more than 1500 years ago!), building ruins above and below ground, what's left of its aqueduct that brought water to the city (and was the longest Rome ever made), cemeteries and graves, and guard towers. English language (German is coming!)

    Nine Days Traveling (2020)

    In 1825 the Marquis de Lafayette, during the course of a one-year tour of the United States, visited the new state of Alabama, his first time west of the Appalachian Mountains. For nine days he journeyed along the Federal Road, one of the first government-made roads connecting the far ends of the nation, through the Creek Nation still existing but actually doomed to cease, and down the Alabama River on one of the earliest steam boats. Where did he go? If he did the trip today, what would he see? What would be the same? What would be different? And how would you follow along with him on modern roads?

    "Nine Days Traveling" is your guidbook to the 37 places and the route Lafayette took through the state, with driving directions, modern maps, over 100 photographs, walking tour maps, and side trips, from the banks of the Chattachoochee River near Georgia's Fort Benning to Montgomery, then down to once French/English/Spanish Mobile city and Mobile Point on the Gulf of Mexico.

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    What does "Hermograph" mean? Explore our fixation with All Things Mercury