What happened to the Opportunity rover? How about 21P/Giacobini-Zinner? more at #365DaysofAstro. And lets celebrate Astronomy Cast’s 500th Episode!
Sept 17th: Astronomy Cast 500th Episodes Live Celebration
Sep 10th: What is the Proposed Hubble-Lemaître Law?
We started out Astronomy Cast with the controversial decision to de-planet Pluto. And here we are, more than a decade later, at the brink of recording our 500th episode when another big decision is coming down from the IAU: Whose name goes on the concept that our Universe is expanding: Hubble or Lemaître?
Aug 27th: The Life of Other Stars
Let’s start the clock again, and see what happens to the smallest stars in the Universe; and what happens to the largest.
Aug 20th: The Search for Water on Mars
The Search for Water on Mars and how this ties into the search for life on the Red Planet. #365DaysOfAstro
Aug 13th: How Old is the Universe?
Aug 6th: Magnetism Everywhere
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.
Jul 30th: Gravitational Lensing
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.
Jul 16th: Tidal Forces Across the 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.
Jul 9th: Dwarf Galaxy Update
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.