This week, I’m introducing something new on the blog: an astronomy quiz! If you like it, I will publish a new quiz each and every week, always related to astronomy, of course. I hope you will enjoy this one, and don’t hesitate to give me some feedback!

Have you ever wondered what our solar system looks like, what you would see if you had the chance to look at it?
Thanks to NASA’s MESSENGER probe, you can now have an idea of what you would see if you were looking at our solar system, from the inside out. …

Voyager 1, which left the Earth 33 years ago, is now at the edge of our solar system. It is today  17.4 billion kilometers away from the Sun (about 116 times farther than the Earth is from the Sun), where it reached an area where the radial speed of the …