What is the closest star to the Earth

Wednesday, May 14th, 2008

We’ve already answered in a previous post that the Sun is the closest star to the Earth, but when most people ask this they’re really asking, what is the closest star to the Sun. The closest star to the Sun is Proxima Centauri at 4.2 light-years away.
Interestingly, most folks often think of Alpha Centauri as […]

What is a solar system?

Friday, May 2nd, 2008

With all this talk about stars, planets and moons in previous posts, it’s about high time I mentioned a solar system. A solar system is exactly what the name implies - the system associated with a sun (star). Our own solar system contains 8 planets. We once had nine but the planet Pluto was downgraded […]

What is the Sun and what is it made of?

Monday, April 28th, 2008

If you’re ever away from the glare of city lights on a cloudless night, take a look up into the sky and marvel at the countless thousands of sparkling stars you see up there. Pick one you like and point your finger at it. Now imagine that maybe, just maybe, the star you’ve picked has […]