There were quite a lot of Multiverse concepts that we have covered so far. Some of them are really involved, but I hope that my explanations provided a way to conceptually grasp these concepts. There remain only a couple of models which we are not familiar with. Today we shall be talking about a model […]Read more "The Universe as a Hologram"
Now let’s look at what happens when a star reaches the end of its life. Thing is, what happens depends on how big the star is so we’ll look a two stars, an average star like our Sun, and a giant star with several times the mass of the Sun. A star about the size […]Read more "The End is Nigh!"
Spitzer/Caltech I thought I’d take a look at what stars are, how they form, how they work and what happens to them when they get old and there are no pension schemes for stars! Out there, in the vastness of space, are huge, diffuse clouds of gas and dust, the remnants of earlier generations of […]Read more "Twinkle Twinkle Little Star"
Gamma- Caeli Here we are going to take a look at some cosmic couples, couples who have been married for millions or even billions of years, and most humans struggle to make it work for just a few years! What we are talking about here is binary pairs or double stars. Okay so what’s so […]Read more "Tea for Two"
Right now, in the early evening, it is possible to see the closest planet to the Sun, Mercury. Assuming there are no clouds, in which case you probably don’t live very close to me! Mercury is not only the closest to the Sun, it is also the smallest planet but strangely enough, not the hottest. […]Read more "The Incredible Shrinking Planet"
After I wrote the last piece about resonant orbits I thought I would write a bit about orbits in general and what they are. The fact is that for a long time, a few thousand years at least, we have known that some of the things we can see in the sky go round some […]Read more "The Magic Roundabout"
There was once, according to the story, a little girl who fell down a rabbit hole and discovered a strange world where the normal physical rules of how our world works no longer applied. Today we are going to look at what might happen to her great, great granddaughter if she got bored with the […]Read more "Alice’s Adventures in Black Hole Land"