Author: Astronomy Staff

Exoplanets

What is the largest star known, and how far out would its habitable zone be?

Science

I read that ultraviolet light is the cause of HII regions, but this light is invisible. So why are these objects the color red?

Observing

How to observe the 2010 Leonid meteor shower

Observing, Observing Basics

Constellation Pronunciation Guide

Telescopes and Equipment

Astronomy Digital Gift Guide

Observing

Help with Tonight’s Sky

Observing, Telescopes and Equipment

Help with StarDome

Science, Stars

Model explains evolution of unusual binary system

Telescopes and Equipment

Astrodon’s Inside DSLR replacement filter

Telescopes and Equipment

Celestron’s X-Cel LX 18mm eyepiece

Robotic Spaceflight, Science, Solar System, Space Exploration

Cassini’s long weekend: nine moons in 62 hours

Telescopes and Equipment

Vixen’s AXD Mount