Astronomy Topics – Articles about Space

In this part of the site we will explore topics regarding the general science of space and astronomy. Contact us if you have any topics you would like us to add. Articles will be updated often. Thank you for visiting and we hope you enjoy!

An image of a shooting star racing over the forest tree line.

What is a Shooting Star? Falling Stars Explained

In this article we explain what a Shooting star is and where they come from.

An image of six Moons in various colors.

What Color is The Moon?

Find out what color the Moon REALLY is and why it can look different from night to night.

Gibbous Moon in a dark night sky.

What is a Gibbous Moon?

Discover why this lesser known phase called the Gibbous Moon is a great time to observe the lunar surface.

An image of a moon crater close up.

Calibrated Crater Sequenced Images

These charts can be used to assess resolution during visual observation.

An image of the Cassini Moon crater.

Cassini and The Valley – Crash or Splash

Discussing the origins of the Cassini Crater. Crash or Splash?

An image of multiple Moon craters describing the Littrow area of the Moon.

Guide: Littrow to the Lake of Death

Exploring four regions of the Moon’s lunar surface from Littrow to the Lake of Death

An image of a medievel drawing of the Moon.

Ptolemy’s Lunar Neighborhood

In this article we will explore the area surrounding the Moon crater Ptolemaeus.

An image of Humboldt Crater on the Moon.

Examining Humboldt Crater and Environs

We will take a look at the Imbrium crater Humboldt near the nascient evening terminator.

An image of the astronomers - The Pickering brothers.

A Tale of Two Brothers and Their Craters

The Lunar Crater Pickering and Messier A have an interesting and uniquely interwoven history.

An illustration demonstrating aspects to magnification and aperture.

Magnification and Aperture

We discuss how far an observer can expect to be able to see through nominal seeing levels.

An illustration demonstrating aspects to resolution and Magnification.

Resolution & Magnification

This article is divided into two parts, “Resolution Limits” and “Magnification Contrast and the Human Eye”.

An illustration charting aspects to achromatic refractors.

Achromatic Refractors

This chart provides an outline for the equivalent chromatic aberration of achromatic refractors.