A short refresher from the last post: we imagined the sky as a giant sphere enclosing the Earth, and call it a Celestial Sphere. We defined four reference points on this giant sphere to help us orient ourselves while looking up – the North Celestial Pole, the South Celestial Pole, the Celestial Equator and the ecliptic. For now, we’ll focus on the first three – the ecliptic only becomes useful when we’re observing planets. From a single point on Earth, we can only see half…Continue Reading “Orienting Yourself”
The sky looks different, and moves differently depending on where you’re looking from. A crucial first step in learning astronomy is figuring out where you are with respect to how things are moving. Once you know this, you’ll be in a position to understand how the sky moves over days, months and years. Let’s focus on Earth for a moment. To describe any location on Earth, you need to use reference points. These reference points can be co-ordinates, physical landmarks, or directions between a starting…Continue Reading “Reference Points in the Sky”
Astronomy comes in two flavours: professional and amateur. Amateur astronomy is the more relaxed version of the science, where you use your own eyes, and some basic instruments, to experience and understand the night sky.Continue Reading "What Is Amateur Astronomy, and Why Should You Do It?"
Many people think that astronomy and astrology are the same thing. There’s actually a pretty big difference – it’s the difference between science and pseudoscience.Continue Reading "What’s The Difference Between Astronomy and Astrology?"
If you’re new to astronomy, starting out by buying a telescope is probably a bad idea. There are a number of reasons for this:Continue Reading "Should You Buy a Telescope?"