Tides… on a distant star
Massive exoplanets would induce huge tides on their parent stars when they orbit them at a close distance. Astronomers now […]
The old man in the Sun
While everyone has seen what looks like a man’s face on the surface of the Moon, nobody has ever seen […]
Astronomy Quiz #2
Here is the new astronomy quiz! A lot of you answered the previous one, and as I wrote last week, I’ll post a new quiz regularly. I hope you will enjoy this one too, and don’t hesitate to give me some feedback and comments so that I can keep improving these quizzes!
The coolest “neither planet, nor star” brown dwarf
About 63 light years away from Earth, lies a very cool brown dwarf. It is approximately seven times the mass […]
Will we ever travel to other stars?
Today, we are speaking about space tourism, or sending men to Mars. What about longer, much longer journeys, out of […]