Where do comets come from?

A comet is an icy, small Solar System body that, when passing close to the Sun, warms and begins to release gases, a process called outgassing.…

What are asteroids made of?

Asteroids are the solid, rocky and irregular bodies remnants of the protoplanetary disk of dust and gas that formed around the Sun over 4.6 billion years ago.…

What is Archaeoastronomy?

We’re going to delve into a new concept encompassing all of these issues: archaeoastronomy. What is archaeoastronomy and what does this strange word mean?…