The Search for Water on Mars and how this ties into the search for life on the Red Planet. #365DaysOfAstro
Tag Archives | astronomy cast
This week we look at age of the Universe. How old is the Universe, and how do we know?
Magnetic fields are everywhere and we’re talking about the gigantic magnetic fields that surround planets, stars, galaxies and some of the most exotic objects in the Universe.
The most powerful telescopes in the Universe are completely natural, and the size of a galaxy cluster. When you use the gravity of a galaxy as a lens, you can peer right back to the edges of the observable Universe.
Time to expand our view and encompass the entire universe. Some of the most dramatic events originate from tidal forces caused by gravity: other worlds, galaxies, black holes and even entire clusters of galaxies are under this influence.
The Milky Way has gobbled up dozens of dwarf galaxies and added them to its structure. Today we’re going to look at the ongoing hunt for the wreckage of past mergers. And what we’ve discovered about dwarf galaxies in general.
Is it globular clusters or is it globeular clusters? It doesn’t matter, they’re awesome and we’re here to update you on them.
Another update show, this time on the various generations of stars, let’s get into it.