Category Archives: General

The 13th Sign of the Zodiac

Posted on January 28, 2013 by JT McJunkins

The zodiac system was first developed roughly 2,500 years ago in ancient Babylonia. Unfortunately, the astronomers who first developed the system did not know about the precession of the Earth’s axial tilt. Even after this precession was known, W… Continue reading →

Posted in General, Observables | Tagged , , | Comments Off on The 13th Sign of the Zodiac

The Cosmic Calendar

Posted on January 24, 2013 by eaangel

This image was taken from the personal blog of Michael Arney.  It is an image of the explanation that the famous astronomer Carl Sagan gave to enable the public to grasp “the immensity of time” and the Cosmic Calendar.  In … Continue reading → Continue reading →

Posted in General, Universe | Tagged , , | Comments Off on The Cosmic Calendar

King of the Galaxies

Posted on January 23, 2013 by Megan C

It’s hard to imagine things on a galactic scale. I have trouble just picturing how big the Earth really is. Now try imagining something larger than Earth, larger than the Solar System, and larger than our entire galaxy. That’s this guy, NGC 6872. It’s a spiral galaxy five times the larger than the Milky Way. It […] Continue reading →

Posted in Class, Galaxies, General, Light | Tagged , , , | Comments Off on King of the Galaxies