Introduction to Astronomy is a college class usually filled with excitement and a lot of questions about outer space. Questions like: What are black holes? Are there planets out there that are ...
All societies have had ways of understanding nature based on their experiences of it. For example, farmers need to understand the seasons and weather to know when to plant and harvest their crops.
This December full moon is also a supermoon – hence the term 'cold supermoon'. In 2025, we've had a rare occurance in that the last three full moons of the year are all supermoons - the Hunter Moon, ...
Before defining what a light-year is, we should define what a light-year is not: It is not a measure of time, but rather a measure of distance. The confusion arises from the “year” that comes at the ...