The Galactic Inquirer

Galactic and Extragalactic Astronomy

The Multi-armed Milky Way

According to recent popular science articles, there has been something of a revival of the traditional idea that our Milky Way is a 4-armed spiral galaxy, as opposed to having two spiral arms, as seen in the currently most popular rendition of our home Galaxy.

Book Review: Michael Lemonick’s The Georgian Star

If you have never heard of the Herschels, then you are missing out on the most important astronomers of the 18 th and 19 th Century. William Herschel, discoverer of Uranus, together with his able and dedicated sister Caroline and his erudite son John revealed the Milky Way and its diverse contents as never before.

Another Giant Leap for Mankind

This year, our eyes were once again redirected to our own Solar System for a just a few fleeting minutes -- from the myriad wonders of our “seeable” Universe to a small space probe called New Horizons that at 7:49 AM (EST) on July 14 th 2015 passed within 7,750 miles of little Pluto at a record-breaking speed of 30,800 miles per hour (49,600 kilometers per hour).

When it’s Just You and the Universe

We’ve all shown Saturn to someone, or perhaps have shared a clear view of a bright globular, say, M13, with someone who hasn’t seen such a thing before. In these and similar cases, the sheer beauty of the thing is the whole point; any impressive facts are secondary.

Musical Explorations of the Messier Catalogue of Star Clusters and Nebulae

“It does not do harm to the mystery to know a little about it. For far more marvelous is the truth than any artists of the past imagined it. Why do the poets of the present not speak of it?” -- Richard Feynman (1918 – 1988)

Our Elusive Milky Way

For most of human history, the night sky demanded our attention. The shape-shifting Moon, wandering planets, pointillist stars, and occasional comet enchanted our sensibilities...

Naked-eye Exoplanet Host Stars

Spot naked-eye exoplanet host stars! Want to see something new in the night sky? To date, more than 700 exoplanetary systems have been identified in...

Galactic and Extragalactic Astronomy: an Introduction

Introduction: If you look skyward on a clear moonless night, you can immediately see that you and all of your fellow Earthlings live in a...

Latest news

GAAC Meeting, October 9 2020, with Robert Naeye and Finding Life on Other Worlds

Are we alone or do we share our solar system and galaxy with other forms of life? And how widespread are advanced civilizations with whom we could communicate? Right now we don’t have answers to these profound questions. But scientists are in hot pursuit...

Earth & Space Report No 6, with AAVSO Director Stella Kafka

Guest Presenter and AAVSO Director Stella Kafka reviews her tenure as Director, and discusses the role of the AAVSO in current stellar research.

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Water has been identified in the most uncanny of...

Book Review: Michael Lemonick’s The Georgian Star

If you have never heard of the Herschels, then you are missing out on the most important astronomers of the 18 th and 19 th Century. William Herschel, discoverer of Uranus, together with his able and dedicated sister Caroline and his erudite son John revealed the Milky Way and its diverse contents as never before.

Interstellar Communications

Introduction: It took less than two billion years for our...